MAX3280EAUK+T中文资料

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MGate MB3280 Quick Installation Guide

P/N: 1802032800013 *1802032800013*MGate MB3280Quick Installation GuideEdition 4.0, December 2018Technical Support Contact Information/supportMoxa Americas:Toll-free: 1-888-669-2872 Tel: 1-714-528-6777 Fax: 1-714-528-6778 Moxa China (Shanghai office): Toll-free: 800-820-5036 Tel: +86-21-5258-9955 Fax: +86-21-5258-5505 Moxa Europe:Tel: +49-89-3 70 03 99-0 Fax: +49-89-3 70 03 99-99 Moxa Asia-Pacific:Tel: +886-2-8919-1230 Fax: +886-2-8919-1231 Moxa India:Tel: +91-80-4172-9088 Fax: +91-80-4132-10452018 Moxa Inc. All rights reserved.OverviewThe MGate MB3280 is a 2-port Modbus gateway that converts between Modbus TCP and Modbus ASCII/RTU protocols. It can be used to allow Ethernet masters to control serial slaves, or to allow serial masters to control Ethernet slaves. Up to 16 TCP masters and 62 serial slaves can be connected simultaneously.Package ChecklistBefore installing the MGate MB3280 Modbus gateway, verify that the package contains the following items:• 1 MGate MB3280 Modbus gateway•Document & Software CD•Quick Installation Guide•Product Warranty Statement•Power Adapter• 4 Stick-on PadsOptional Accessory•DK-35A: DIN-rail mounting kit (35 mm)•Mini DB9F-to-TB Adaptor: DB9 female to terminal block adapter •DR-4524: 45W/2A DIN-rail 24 VDC power supply with universal 85 to 264 VAC input•DR-75-24: 75W/3.2A DIN-rail 24 VDC power supply with universal85 to 264 VAC input•DR-120-24: 120W/5A DIN-rail 24 VDC power supply with 88 to 132 VAC/176 to 264 VAC input by switchNotify your sales representative if any of the above items is missing or damaged.NOTE The operating temperature of the power adapter in the box is from 0 to 40 °C. If your application is out of this range, pleaseuse a power adapter supplied by UL Listed External PowerSupply (The power output meets SELV and LPS and is rated 12- 48 VDC; minimum current is 0.73 A). Moxa has poweradapters with wide temperature range (-40 to 75 °C, -40 to 167F), the PWR-12150-(plug type)-SA-T Series, for your reference.Hardware IntroductionAs shown in the following figures, the MGate MB3280 has one DB9 male port for transmitting serial data.Reset Button—The reset button is used to load factory defaults. Using a pointed object such as a straightened paper clip to hold the reset button down for five seconds. Release the reset button when the Ready LED stops blinking in order to load the factory defaults.LED IndicatorsName Color FunctionReady Red Steady on: Power is on and the unit is booting upBlinking: IP conflict exists, or DHCP or BOOTPserver is not responding properly Green Steady on: Power is on and the unit is functioningnormallyBlinking: Unit has been found by the Locationcommand in MGate ManagerOff Power is off or power error condition exists Ethernet Orange 10 Mbps Ethernet connectionGreen 100 Mbps Ethernet connectionOff Ethernet cable is disconnected or has a shortP1/P2 Orange Serial port is receiving data.Green Serial port is transmitting data.Off No data is being transmitted or received throughthe serial port.Hardware Installation ProcedureSTEP 1: After unpacking the MGate MB3280, connect the power adaptor.STEP 2: Use a standard straight-through Ethernet cable to connect the MGate MB3280 to a network hub or switch. Use a cross-overEthernet cable if you are connecting the gateway directly to aPC.STEP 3: Connect your device(s) to the MGate MB3280’s serial port. STEP 4: Place or mount the MGate MB3280. The unit may be placed on a horizontal serface such as a desktop, mounted on a DIN-rail, or mounted on the wall.Wall Mounting DIN-rail MountingSoftware InstallationTo install MGate Manager , insert the MGate Documentation and Software CD into your PC's CD-ROM drive, and then run the following setup program to begin the installation process from the “Software” directory:MGM_Setup_[Version]_Build_[DateTime].exeThe filename of the latest version may have the following format: MGM_Setup_Verx.x.x_Build_xxxxxxxx.exe.For detailed information about MGate Manager, refer to the MGate MB3000 User's Manual, which can be found in the “Document” directory.The MGate MB3280 also supports login via a web browser. Default IP address: 192.168.127.254 Default account: admin Default password: moxaPin AssignmentsEthernet Port (RJ45)Pin Signals 1 Tx+ 2 Tx- 3 Rx+ 6Rx-Serial Port (Male DB9)Pin RS-232 RS-422/485 (4-Wire) RS-485 (2-Wire) 1DCD TxD-(A) – 2 RxD TxD+(B)– 3 TxD RxD+(B) Data+(B) 4 DTR RxD-(A) Data-(A) 5 GND GND GND 6 DSR – – 7 RTS – – 8 CTS – – 9–– –Environmental SpecificationsPower Requirements Power Input12 to 48 VDCPower Consumption 250 mA @ 12 VDC, 90 mA @ 48 VDC Operating Temperature 0 to 60°C (32 to 140°F) Storage Temperature -40 to 85°C (-40 to 185°F) Operating Humidity 5 to 95% RH Dimensions With ears: Without ears:22 x 100 x 111 mm (0.87 x 3.94 x 4.37 inch) 22 x 77 x 111 mm (0.87 x 3.03 x 4.37 inch)。

EMW3280_V2

Hardware encryption Enterprise level security &reliability for
sensor networks
x Power Management
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MAX-线号机LM-370A--LM-380A键盘按键功能说明书

MAX-线号机LM-370A--LM-380A 键盘按键功能说明书MAX 线号机LM-370A/LM-380A键盘按键功能说明书日本MAX公司LM-380A新一代微电脑线号印字机：是针对电力成套及其他需要布线行业制作套管、标签标示的专业设备。

本公司本着“品质优良、价格合理、服务及时”的经营原则。

并不断追求更高的企业品质以回馈各界的支持与厚爱！公司所有产品均为终身维护,一年免费保修。

LM-380A微电脑高速套管打印机一套标准配置机器一台,手提箱一个,专用电源一个,LM-IR310B色带一盘,LM-IR300B色带卡匣1个.中英文说明书各一本.LM-380A微电脑高速套管打印机主要功能:MAX LETATWIN LM-380A电脑线号印字机是针对专业人士制作套管及标签标示所全新设计（中文化的标示，操作更简单轻松）1、高速打印：LM-380A拥有快速的打印功能，可提供每秒25m的打印速度，能够在一分钟内高速打印出35个20mm长的套管。

2、最大打印长度：LM-380A一次最大打印套管长度可达20M（LM-370A为6M）、标签贴纸一次最大打印长度可达5M（LM-370A为1M）3、LM-380A拥有强大的内存容量：内建大容量记忆体，最大可容纳40000个字元。

4、功能强大的PC专用软件：LM-380A可以使用附赠的专用软件编辑，搭配CF CARD储存大量的标示文字资料，操作更能让您随心所欲。

5、切刀深度调整：LM-380A拥有独特的切刀调整功能，当半切刀位置太深或太浅时，可以通过调整半切深度拉杆来调整切刀深度。

6、全中文输入，中文化键盘及界面（除了英文字母、数字和特殊符号，中文字也可以利用键盘直接拼音输入。

7、高质量打印材料：可打印0.5mm、1.0mm、1.5mm、2.0mm、2.5mm、4.0mm、6.0mm的套管和热收缩套管，打印速度快，不掉色。

还可打印5mm、9mm、12mm不干胶标签.LM-380A高速电脑套管打号机（线号印字机，线号机，印字机）是配线行业的一次飞跃，高性能、300dpi的打印精度，清晰、永不褪色。

EMW3280中文手册

3.8.2 IEEE802.11b 模式............................................................................................................................................11
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接口 H 2.0 间距排针 G 2.0 间距 QFN
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XCHIPmxchipWNetTM Library
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USB3280中文资料

1.1 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Chapter 2 Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Chapter 3 Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Chapter 4 Interface Signal Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Chapter 5 Limiting Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Chapter 6 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

MEMORY存储芯片MAX208CWG+T中文规格书

Detailed Description The MAX200–MAX209/MAX211/MAX213 consist of three sections: charge-pump voltage converters, drivers (trans-mitters), and receivers. Each section is described in detail.+5V to ±10V Dual Charge-Pump Voltage Converter The +5V to ±10V conversion is performed by two charge-pump voltage converters (Figure 4). The first uses capaci-tor C1 to double +5V to +10V, storing +10V on the V+output filter capacitor, C3. The second chargepump volt-age converter uses capacitor C2 to invert +10V to -10V,storing -10V on the V- output filter capacitor, C4.The MAX201 and MAX209 include only the V+ to Vcharge pump, and are intended for applications that have a V CC = +5V supply and a V+ supply in the +9V to +13.2V range.In shutdown mode, V+ is internally connected to V CC by a 1kΩ pulldown resistor and V- is internally connected to ground by a 1kΩ pullup resistor.RS-232 Drivers When V CC = +5V, the typical driver output-voltage swing is ±8V when loaded with a nominal 5kΩ RS-232 receiver. The output swing is guaranteed to meet the EIA/TIA-232E and V.28 specifications, which call for ±5V minimum out-put levels under worst-case conditions. These include a minimum 3kΩ load, V CC = +4.5V, and the maximum operating temperature. The open-circuit output-voltage swing ranges from (V+ - 0.6V) to V-.Input thresholds are both CMOS and TTL compatible. The inputs of unused drivers can be left unconnected since 400kΩ pullup resistors to V CC are included onchip. Since all drivers invert, the pullup resistors force the outputs of unused drivers low. The input pullup resistors typically source 15μA; therefore, the driver inputs should be driven high or open circuited to minimize power-supply current in shutdown mode.When in low-power shutdown mode, the driver outputs are turned off and their leakage current is less than 1mA, even if the transmitter output is backdriven between 0V and (V CC + 6V). Below -0.5V, the transmitter output is diode clamped to ground with a 1kΩ series impedance. The transmitter output is also zener clamped to approxi-mately (V CC + 6V), with a 1kΩ series impedance.Figure 1. Shutdown Current Test CircuitFigure 2. Receiver Output Enable and Disable Timing Integrated │ 5找MEMORY 、二三极管上美光存储Applications InformationCapacitor SelectionThe type of capacitor used is not critical for properoperation. Ceramic capacitors are suggested. To ensureproper RS-232 signal levels over temperature whenusing 0.1µF capacitors, make sure the capacitance valuedoes not degrade excessively as the temperature varies.If in doubt, use capacitors with a larger nominal value.Also observe the capacitors’ ESR value over tempera-ture, since it influences the amount of ripple on V+ andV-. To reduce the output impedance at V+ and V-, uselarger capacitors (up to 10µF). If polarized capacitors areused, obey the polarities shown in Figure 1 and the pinconfigurations.Driving Multiple ReceiversEach transmitter is designed to drive a single receiver.Transmitters can be paralleled to drive multiple receivers.Driver Outputs When Exiting Shutdown Figure 5 shows two driver outputs exiting shutdown. As they become active, the two driver outputs go to opposite RS-232 levels (one driver input is high, the other is low). Each driver is loaded with 3kΩ in parallel with 2500pF. The driver outputs display no ringing or undesirable tran-sients as they come out of shutdown.Power-Supply Decoupling In applications that are sensitive to power-supply noise, decouple V CC to ground with a capacitor of the same value as the charge-pump capacitors.V+ and V- as Power Supplies A small amount of power can be drawn from V+ and V-,although this reduces noise margins.Power Supplies for MAX201/MAX209If at power-up the V+ supply rises after the V CC supply,place a diode (e.g., 1N914) in series with the V+ supply.Table 2. Summary of EIA/TIA-232E, V.28 SpecificationsTable 3. DB9 Cable Connections Commonly Used for EIA/TIA-232E and V.24 Asynchronous InterfacesPARAMETERCONDITION EIA/TIA-232E, V.28 SPECIFICATION Driver Output Voltage: 0 Level3kΩ to 7kΩ load +5.0V to +15V Driver Output Voltage: 1 Level3kΩ to 7kΩ load -5.0V to -15V Output Level, MaximumNo load ±25V Data Rate3kΩ ≤ R L ≤ 7kΩ, C L ≤ 2500pF Up to 20kbps Receiver Input Voltage: 0 Level—+3.0V to +15V Receiver Input Voltage: 1 Level—-3.0V to -15V Input Level, Maximum—±25V Instantaneous Slew Rate, Maximum3kΩ ≤ R L ≤ 7kΩ, C L ≤ 2500pF 30V/µs Driver Output Short-Circuit Current, Maximum—100mA Transition Rate on Driver OutputV.281ms or 3% of the period EIA/TIA-232E 4% of the period Driver Output Resistance -2V < V OUT < +2V 300ΩPINNAME CONNECTION 1Received Line Signal Detector, sometimes called Carrier Detect (DCD)Handshake from DCE 2Receive Data (RD)Data from DCE 3Transmit Data (TD)Data from DTE 4Data Terminal Ready Handshake from DTE 5Signal Ground Reference point for signals 6Data Set Ready (DSR)Handshake from DCE 7Request to Send (RTS)Handshake from DTE 8Clear to Send (CTS)Handshake from DCE 9Ring Indicator Handshake from DCEMAX200–MAX209/MAX211/MAX213+5V, RS-232 Transceivers with 0.1μF External Capacitors Integrated │ 8。

Moxa MB3180 MB3280 MB3480 Modbus Gateway 产品说明说明书

MGate MB3180/MB3280/MB3480Series1,2,and4-port standard serial-to-Ethernet Modbus gatewaysFeatures and Benefits•Supports Auto Device Routing for easy configuration•Supports route by TCP port or IP address for flexible deployment•Converts between Modbus TCP and Modbus RTU/ASCII protocols•1Ethernet port and1,2,or4RS-232/422/485ports•16simultaneous TCP masters with up to32simultaneous requests permaster•Easy hardware setup and configurationCertificationsIntroductionThe MB3180,MB3280,and MB3480are standard Modbus gateways that convert between Modbus TCP and Modbus RTU/ASCII protocols.Up to 16simultaneous Modbus TCP masters are supported,with up to31RTU/ASCII slaves per serial port.For RTU/ASCII masters,up to32TCP slaves are supported.Standard Modbus Network IntegrationThe three standard MGate™models(MB3180,MB3280,and MB3480)are designed for easy integration of Modbus TCP and RTU/ASCII networks. With these models,Modbus serial slave devices can be seamlessly incorporated into an existing Modbus TCP network,and Modbus TCP slaves can be made accessible to serial masters.The MB3180,MB3280,and MB3480offer features that make network integration easy,customizable, and compatible with almost any Modbus network.High Density,Cost-Effective GatewaysThe MGate™MB3000gateways can effectively connect a high density of Modbus nodes to the same network.The MB3280can manage up to62 serial slave nodes,and the MB3480can manage up to124serial slave nodes.Each RS-232/422/485serial port can be configured individually for Modbus RTU or Modbus ASCII operation and for different baudrates,allowing both types of networks to be integrated with Modbus TCP through one Modbus gateway.Auto-Device Routing for Easy Configuration(Patent Pending)Moxa’s Auto-Device Routing function helps eliminate many of the problems and inconveniences encountered by engineers who need to configure large numbers of Modbus devices.A single mouse click is all that’s required to set up a slave ID routing table and configure Modbus gateways to automatically detect Modbus requests from a supervisory control and data acquisition(SCADA)system.By removing the need to manually create the slave ID routing table,the Auto-Device Routing function saves engineers significant time and cost.SpecificationsEthernet Interface10/100BaseT(X)Ports(RJ45connector)1(Auto MDI/MDI-X connection)Magnetic Isolation Protection 1.5kV(built-in)Ethernet Software FeaturesIndustrial Protocols Modbus TCP Client(Master),Modbus TCP Server(Slave)Configuration Options Web Console(HTTP),Device Search Utility(DSU),MGate Manager,Telnet ConsoleManagement ARP,DHCP Client,DNS,HTTP,HTTPS(MGate MB3180Excluded),SMTP(MGateMB3180Excluded),SNMP Trap(MGate MB3180Excluded),SNMPv1/v2c/v3,TCP/IP,Telnet,UDP,NTP Client(MGate MB3180Excluded)MIB RFC1213,RFC1317Time Management NTP Client(MGate MB3180Excluded)Serial InterfaceNo.of Ports MGate MB3180:1MGate MB3280:2MGate MB3480:4Connector DB9maleSerial Standards RS-232/422/485(software selectable)Baudrate50bps to921.6kbpsData Bits7,8Parity None,Even,Odd,Space,MarkStop Bits1,2Flow Control DTR/DSR,RTS Toggle(RS-232only),RTS/CTSRS-485Data Direction Control ADDC®(automatic data direction control)Pull High/Low Resistor for RS-4851kilo-ohm,150kilo-ohmsTerminator for RS-485MGate MB3180:NoneMGate MB3280/MB3480:120ohmsSerial SignalsRS-232TxD,RxD,RTS,CTS,DTR,DSR,DCD,GNDRS-422Tx+,Tx-,Rx+,Rx-,GNDRS-485-2w Data+,Data-,GNDRS-485-4w Tx+,Tx-,Rx+,Rx-,GNDSerial Software FeaturesIndustrial Protocols Modbus RTU/ASCII Master,Modbus RTU/ASCII Slave Modbus(Transparent)Max.No.of Client Connections16Max.No.of Server Connections32Power ParametersInput Voltage12to48VDCInput Current MGate MB3180:200mA@12VDCMGate MB3280:250mA@12VDCMGate MB3480:385mA@12VDCPower Connector MGate MB3180:Power jackMGate MB3280/MB3480:Power jack and terminal block Physical CharacteristicsHousing MetalIP Rating IP30Dimensions(with ears)MGate MB3180:22x75x80mm(0.87x2.95x3.15in)MGate MB3280:22x100x111mm(0.87x3.94x4.37in)MGate MB3480:35.5x102.7x181.3mm(1.40x4.04x7.14in) Dimensions(without ears)MGate MB3180:22x52x80mm(0.87x2.05x3.15in)MGate MB3280:22x77x111mm(0.87x3.03x4.37in)MGate MB3480:35.5x102.7x157.2mm(1.40x4.04x6.19in) Weight MGate MB3180:340g(0.75lb)MGate MB3280:360g(0.79lb)MGate MB3480:740g(1.63lb)Environmental LimitsOperating Temperature0to60°C(32to140°F)Storage Temperature(package included)-40to85°C(-40to185°F)Ambient Relative Humidity5to95%(non-condensing)Standards and CertificationsSafety EN60950-1,UL60950-1EMC EN55032/24EMI CISPR32,FCC Part15B Class AEMS IEC61000-4-2ESD:Contact:4kV;Air:8kVIEC61000-4-3RS:80MHz to1GHz:3V/mIEC61000-4-4EFT:Power:1kV;Signal:0.5kVIEC61000-4-5Surge:Power:1kV(MB3180/MB3280)IEC61000-4-5Surge:Power:1kV;Signal:2kV(MB3480)IEC61000-4-6CS:3VIEC61000-4-8PFMFIEC61000-4-11DIPsMTBFTime MGate MB3180:908,440hrsMGate MB3280:749,455hrsMGate MB3480:1,242,173hrsStandards Telcordia SR332WarrantyWarranty Period5yearsDetails See /warrantyPackage ContentsDevice1x MGate MB3180/MB3280/MB3480Series gatewayPower Supply1x power adapter,suitable for your regionDocumentation1x quick installation guide1x warranty cardDimensionsOrdering InformationModel Name No.of Serial PortsMGate MB31801MGate MB32802MGate MB34804Accessories(sold separately)CablesCBL-F9M9-150DB9female to DB9male serial cable,1.5mCBL-F9M9-20DB9female to DB9male serial cable,20cmConnectorsMini DB9F-to-TB DB9female to terminal block connectorDIN-Rail Mounting KitsDK35A DIN-rail mounting kit,35mmWall-Mounting KitsWK-35-01Wall-mounting kit,2plates,6screws,35x44x2.5mmPower AdaptersPWR-12050-WPAU-S2Non-locking barrel plug,12VDC,0.5A,100-240VAC,Australia(AU)plug,0to40°C operatingtemperaturePWR-12050-WPCN-S2Non-locking barrel plug,12VDC,0.5A,100-240VAC,China(CN)plug,0to40°C operatingtemperaturePWR-12050-WPEU-S2Non-locking barrel plug,12VDC,0.5A,100-240VAC,Continental Europe(EU)plug,0to40°Coperating temperaturePWR-12050-WPUK-S2Non-locking barrel plug,12VDC,0.5A,100-240VAC,United Kingdom(UK)plug,0to40°C operatingtemperaturePWR-12050-WPUSJP-S2Non-locking barrel plug,12VDC,0.5A,100-240VAC,United States/Japan(US/JP)plug,0to40°Coperating temperature©Moxa Inc.All rights reserved.Updated Feb21,2020.This document and any portion thereof may not be reproduced or used in any manner whatsoever without the express written permission of Moxa Inc.Product specifications subject to change without notice.Visit our website for the most up-to-date product information.。

MAX3087ESA中文资料

375
256
MAX3084
Full
0.5
Yes
No
No
375
256
MAX3085
Half
0.5
Yes
Yes
Yes
375
256
MAX3086
Full
10
No
Yes
Yes
375
256
MAX3087
Full
10
No
No
No
375
256
MAX3088
Half
10
No
Yes
Yes
375
256
MAX3089 Selectable Selectable Selectable
These transceivers typically draw 375µA of supply current when unloaded, or when fully loaded with the drivers disabled.
All devices have a 1/8-unit-load receiver input impedance that allows up to 256 transceivers on the bus. The MAX3082/MAX3085/MAX3088 are intended for halfduplex communications, while the MAX3080/MAX3081/ MAX3083/MAX3084/MAX3086/MAX3087 are intended for full-duplex communications. The MAX3089 is selectable between half-duplex and full-duplex operation. It also features independently programmable receiver and transmitter output phase via separate pins.

MAX1978中文数据手册

用于Peltier模块的集成温度控制器概论MAX1978 / MAX1979是用于Peltier热电冷却器（TEC）模块的最小, 最安全, 最精确完整的单芯片温度控制器。

片上功率FET和热控制环路电路可最大限度地减少外部元件, 同时保持高效率。

可选择的500kHz / 1MHz开关频率和独特的纹波消除方案可优化元件尺寸和效率, 同时降低噪声。

内部MOSFET的开关速度经过优化, 可降低噪声和EMI。

超低漂移斩波放大器可保持±0.001°C的温度稳定性。

直接控制输出电流而不是电压, 以消除电流浪涌。

独立的加热和冷却电流和电压限制提供最高水平的TEC保护。

MAX1978采用单电源供电, 通过在两个同步降压调节器的输出之间偏置TEC, 提供双极性±3A输出。

真正的双极性操作控制温度, 在低负载电流下没有“死区”或其他非线性。

当设定点非常接近自然操作点时, 控制系统不会捕获, 其中仅需要少量的加热或冷却。

模拟控制信号精确设置TEC 电流。

MAX1979提供高达6A的单极性输出。

提供斩波稳定的仪表放大器和高精度积分放大器, 以创建比例积分（PI）或比例积分微分（PID）控制器。

仪表放大器可以连接外部NTC或PTC热敏电阻, 热电偶或半导体温度传感器。

提供模拟输出以监控TEC温度和电流。

此外, 单独的过热和欠温输出表明当TEC温度超出范围时。

片上电压基准为热敏电阻桥提供偏置。

MAX1978 / MAX1979采用薄型48引脚薄型QFN-EP 封装, 工作在-40°C至+ 85°C温度范围。

采用外露金属焊盘的耐热增强型QFN-EP封装可最大限度地降低工作结温。

评估套件可用于加速设计。

应用光纤激光模块典型工作电路出现在数据手册的最后。

WDM, DWDM激光二极管温度控制光纤网络设备EDFA光放大器电信光纤接口ATE特征♦尺寸最小, 最安全, 最精确完整的单芯片控制器♦片上功率MOSFET-无外部FET♦电路占用面积<0.93in2♦回路高度<3mm♦温度稳定性为0.001°C♦集成精密积分器和斩波稳定运算放大器♦精确, 独立的加热和冷却电流限制♦通过直接控制TEC电流消除浪涌♦可调节差分TEC电压限制♦低纹波和低噪声设计♦TEC电流监视器♦温度监控器♦过温和欠温警报♦双极性±3A输出电流（MAX1978）♦单极性+ 6A输出电流（MAX1979）订购信息* EP =裸焊盘。

MAX3490EESA+T中文资料

General DescriptionDevices in the MAX3483E family (MAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E) are ±15kV ESD-protected, +3.3V, low-power transceivers for RS-485 and RS-422 communications. Each device con-tains one driver and one receiver. The MAX3483E and MAX3488E feature slew-rate-limited drivers that minimize EMI and reduce reflections caused by improperly termi-nated cables, allowing error-free data transmission at data rates up to 250kbps. The partially slew-rate-limited MAX3486E transmits up to 2.5Mbps. The MAX3485E,MAX3490E, and MAX3491E transmit at up to 12Mbps.All devices feature enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model.Drivers are short-circuit current limited and are protect-ed against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state. The receiver input has a fail-safe feature that guarantees a logic-high output if both inputs are open circuit.The MAX3488E, MAX3490E, and MAX3491E feature full-duplex communication, while the MAX3483E,MAX3485E, and MAX3486E are designed for half-duplex communication.ApplicationsTelecommunicationsIndustrial-Control Local Area Networks Transceivers for EMI-Sensitive Applications Integrated Services Digital Networks Packet SwitchingFeatureso ESD Protection for RS-485 I/O Pins±15kV—Human Body Model±8kV—IEC 1000-4-2, Contact Discharge ±15kV—IEC 1000-4-2, Air-Gap Discharge o Operate from a Single +3.3V Supply—No Charge Pump Required o Interoperable with +5V Logic o Guaranteed 12Mbps Data Rate (MAX3485E/MAX3490E/MAX3491E)o Slew-Rate Limited for Errorless Data Transmission (MAX3483E/MAX3488E) o 2nA Low-Current Shutdown Mode(MAX3483E/MAX3485E/MAX3486E/MAX3491E)o -7V to +12V Common-Mode Input Voltage Range o Full-Duplex and Half-Duplex Versions Available o Industry-Standard 75176 Pinout (MAX3483E/MAX3485E/MAX3486E)o Current-Limiting and Thermal Shutdown for Driver Overload ProtectionMAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers________________________________________________________________Maxim Integrated Products119-1474; Rev 0; 4/99Selector GuideOrdering InformationOrdering Information continued at end of data sheet.For free samples & the latest literature: , or phone 1-800-998-8800.For small orders, phone 1-800-835-8769.M A X 3483E /M A X 3485E /M A X 3486E /M A X 3488E /M A X 3490E /M A X 3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceiversABSOLUTE MAXIMUM RATINGSDC ELECTRICAL CHARACTERISTICS(V = +3.3V ±0.3V, T = T to T , unless otherwise noted. Typical values are at T = +25°C.)Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.Supply Voltage (V CC ).............................................................+7V Control Input Voltage (RE , DE).................................-0.3V to +7V Driver Input Voltage (DI)...........................................-0.3V to +7V Driver Output Voltage (A, B, Y, Z).......................-7.5V to +12.5V Receiver Input Voltage (A, B)..............................-7.5V to +12.5V Receiver Output Voltage (RO)....................-0.3V to (V CC + 0.3V)Continuous Power Dissipation (T A = +70°C)8-Pin SO (derate 5.88mW/°C above +70°C)..................471mW 8-Pin Plastic DIP (derate 9.09mW/°C above +70°C).....727mW14-Pin SO (derate 8.33mW/°C above +70°C)................667mW 14-Pin Plastic DIP (derate 10mW/°C above +70°C)......800mW Operating Temperature RangesMAX34_ _ EC_ _...................................................0°C to +70°C MAX34_ _ EE_ _.................................................-40°C to +85°C Storage Temperature Range.............................-65°C to +150°C Lead Temperature (soldering, 10sec).............................+300°CMAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceiversDC ELECTRICAL CHARACTERISTICS (continued)(V CC = +3.3V ±0.3V, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.)DRIVER SWITCHING CHARACTERISTICS—MAX3485E/MAX3490E/MAX3491E(V = +3.3V, T = +25°C.)DRIVER SWITCHING CHARACTERISTICS—MAX3486E(V = +3.3V, T = +25°C.)*MAX3488E and MAX3491E will be compliant to ±8kV per IEC 1000-4-2 Contact Discharge by September 1999.M A X 3483E /M A X 3485E /M A X 3486E /M A X 3488E /M A X 3490E /M A X 3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers4_______________________________________________________________________________________DRIVER SWITCHING CHARACTERISTICS—MAX3483E/MAX3488E(V CC = +3.3V, T A = +25°C.)RECEIVER SWITCHING CHARACTERISTICS(V CC = +3.3V, T A = +25°C.)Note 1:∆V OD and ∆V OC are the changes in V OD and V OC , respectively, when the DI input changes state.Note 2:Measured on |t PLH (Y) - t PHL (Y)|and |t PLH (Z) - t PHL (Z)|.Note 3:The transceivers are put into shutdown by bringing RE high and DE low. If the inputs are in this state for less than 80ns, thedevices are guaranteed not to enter shutdown. If the inputs are in this state for at least 300ns, the devices are guaranteed to have entered shutdown. See Low-Power Shutdown Mode section.MAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers_______________________________________________________________________________________5Typical Operating Characteristics(V CC = +3.3V, T A = +25°C, unless otherwise noted.)252015105000.51.01.52.02.53.53.0OUTPUT CURRENT vs.RECEIVER OUTPUT LOW VOLTAGEM A X 3483E -01OUTPUT LOW VOLTAGE (V)O U T P U T C U R R E N T (m A )-20-18-16-14-12-10-8-6-4-2000.51.01.52.02.53.53.0OUTPUT CURRENT vs.RECEIVER OUTPUT HIGH VOLTAGEM A X 3483E -02OUTPUT HIGH VOLTAGE (V)O U T P U T C U R R E N T (m A )3.003.053.103.153.203.253.30-40-20020406010080RECEIVER OUTPUT HIGH VOLTAGEvs. TEMPERATURETEMPERATURE (°C)O U T P U T H I G H V O L T A G E (V )00.10.20.30.40.50.60.70.8-40-2020406010080RECEIVER OUTPUT LOW VOLTAGEvs. TEMPERATURETEMPERATURE (°C)O U T P U T L O W V O L T A G E (V )2505075100125150175024681012OUTPUT CURRENT vs.DRIVER OUTPUT LOW VOLTAGEM A X 3483E -07OUTPUT LOW VOLTAGE (V)O U T P U T C U R R E N T (m A )100908070605040302010000.5 1.0 1.5 2.0 2.5 3.53.0DRIVER OUTPUT CURRENT vs.DIFFERENTIAL OUTPUT VOLTAGEM A X 3483E -05DIFFERENTIAL OUTPUT VOLTAGE (V)O U T P U T C U R R E N T (m A )1.61.71.81.92.02.12.22.32.42.62.5-40-20020406010080DRIVER DIFFERENTIAL OUTPUT VOLTAGE vs. TEMPERATURETEMPERATURE (°C)D I F FE R E N T I A L O U T P U T V O L T A G E (V )-100-80-60-40-20543210-7-6-3-4-5-2-1OUTPUT CURRENT vs.DRIVER OUTPUT HIGH VOLTAGEM A X 3483E -08OUTPUT HIGH VOLTAGE (V)O U T P U T C U R R E N T (m A )M A X 3483E /M A X 3485E /M A X 3486E /M A X 3488E /M A X 3490E /M A X 3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers0.80.70.91.01.11.2-40-2020406010080SUPPLY CURRENT vs. TEMPERATURETEMPERATURE (°C)S U P P L Y C U R R E N T (m A )Typical Operating Characteristics (continued)(V CC = +3.3V, T A = +25°C, unless otherwise noted.)0102030405060708010090-40-2020406010080SHUTDOWN CURRENT vs. TEMPERATUREM A X 3483E -10TEMPERATURE (°C)S H U T D O W N C U R R E N T (n A )Pin DescriptionMAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers_______________________________________________________________________________________7Figure 2. MAX3488E/MAX3490E Pin Configuration and Typical Operating CircuitFigure 3. MAX3491E Pin Configuration and Typical Operating CircuitFigure 1. MAX3483E/MAX3485E/MAX3486E Pin Configuration and Typical Operating CircuitM A X 3483E /M A X 3485E /M A X 3486E /M A X 3488E /M A X 3490E /M A X 3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers8_______________________________________________________________________________________Figure 4. Driver V OD and V OC Figure 7. Driver Differential Output Delay and Transition TimesFigure 6. Receiver V OH and V OLFigure 5. Driver V OD with Varying Common-Mode VoltageMAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers_______________________________________________________________________________________9Figure 8. Driver Propagation TimesFigure 9. Driver Enable and Disable Times (t PZH , t PSH , t PHZ )Figure 10. Driver Enable and Disable Times (t PZL , t PSL , t PLZ )M A X 3483E /M A X 3485E /M A X 3486E /M A X 3488E /M A X 3490E /M A X 3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers10______________________________________________________________________________________Figure 11. Receiver Propagation DelayFigure 12. Receiver Enable and Disable TimesNote 4: The input pulse is supplied by a generator with the following characteristics: f = 250kHz, 50% duty cycle, t r ≤6.0ns, Z O = 50Ω.Note 5: C L includes probe and stray capacitance._____________________Function TablesDevices with Receiver/Driver Enable(MAX3483E/MAX3485E/MAX3486E/MAX3491E)Table 1. Transmitting* B and A outputs are Z and Y, respectively, for full-duplex part (MAX3491E).X = Don’t care; High-Z = High impedanceTable 2. Receiving* DE is a “don’t care” (x) for the full-duplex part (MAX3491E).X = Don’t care; High-Z = High impedanceDevices without Receiver/Driver Enable(MAX3488E/MAX3490E)Table 3. TransmittingTable 4. Receiving___________Applications InformationThe MAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E are low-power transceivers for RS-485 and RS-422 communications. The MAX3483E and MAX3488E can transmit and receive at data rates up to 250kbps, the MAX3486E at up to 2.5Mbps, and the MAX3485E/MAX3490E/MAX3491E at up to 12Mbps. The MAX3488E/MAX3490E/MAX3491E are full-duplex trans-ceivers, while the MAX3483E/MAX3485E/MAX3486E are half-duplex. Driver Enable (DE) and Receiver Enable (RE ) pins are included on the MAX3483E/MAX3485E/MAX3486E/MAX3491E. When disabled, the driver and receiver outputs are high impedance.Reduced EMI and Reflections (MAX3483E/MAX3486E/MAX3488E)The MAX3483E/MAX3488E are slew-rate limited, mini-mizing EMI and reducing reflections caused by improp-erly terminated cables. Figure 13 shows the driver output waveform of a MAX3485E/MAX3490E/MAX3491E transmitting a 125kHz signal, as well as the Fourier analysis of that waveform. High-frequency harmonics with large amplitudes are evident. Figure 14 shows the same information, but for the slew-rate-limited MAX3483E/MAX3488E transmitting the same signal. The high-frequency harmonics have much lower amplitudes,and the potential for EMI is significantly reduced.Low-Power Shutdown Mode(MAX3483E/MAX3485E/MAX3486E/MAX3491E)A low-power shutdown mode is initiated by bringing both RE high and DE low. The devices will not shut down unless both the driver and receiver are disabled (high impedance). In shutdown, the devices typically draw only 2nA of supply current.For these devices, the t PSH and t PSL enable times assume the part was in the low-power shutdown mode;the t PZH and t PZL enable times assume the receiver or driver was disabled, but the part was not shut down.MAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers______________________________________________________________________________________11INPUTS OUTPUT A, B RO ≥+0.2V 1≤-0.2V 0Inputs Open1INPUT OUTPUTS DI Z Y 101015MHz 500kHz/div 05MHz500kHz/div Figure 13. Driver Output Waveform and FFT Plot of MAX3485E/MAX3490E/MAX3491E Transmitting a 125kHz Signal Figure 14. Driver Output Waveform and FFT Plot of MAX3483E/ MAX3488E Transmitting a 125kHz SignalM A X 3483E /M A X 3485E /M A X 3486E /M A X 3488E /M A X 3490E /M A X 3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers12______________________________________________________________________________________Figure 17. MAX3483E/MAX3488E Driver Propagation Delay Figure 19. MAX3483E/MAX3488E System Differential Voltage at 125kHz Driving 4000 Feet of Cable Figure 20. MAX3485E/MAX3490E/MAX3491E System Differential Voltage at 125kHz Driving 4000 Feet of CableDriver-Output Protection Excessive output current and power dissipation caused by faults or by bus contention are prevented by two mechanisms. A foldback current limit on the output stage provides immediate protection against short circuits over the whole common-mode voltage range (see Typical Operating Characteristics). In addition, a thermal shut-down circuit forces the driver outputs into a high-imped-ance state if the die temperature rises excessively.Propagation Delay Figures 15–18 show the typical propagation delays. Skew time is simply the difference between the low-to-high and high-to-low propagation delay. Small driver/receiver skew times help maintain a symmetrical mark-space ratio (50% duty cycle).The receiver skew time, |t PRLH- t PRHL|, is under 10ns (20ns for the MAX3483E/MAX3488E). The driver skew times are 8ns for the MAX3485E/MAX3490E/MAX3491E, 12ns for the MAX3486E, and typically under 50ns for the MAX3483E/MAX3488E.Line Length vs. Data Rate The RS-485/RS-422 standard covers line lengths up to 4000 feet. For line lengths greater than 4000 feet, see Figure 21 for an example of a line repeater.Figures 19 and 20 show the system differential voltage for parts driving 4000 feet of 26AWG twisted-pair wire at 125kHz into 120Ωloads.For faster data rate transmission, please consult the fac-tory.±15kV ESD Protection As with all Maxim devices, ESD-protection structures are incorporated on all pins to protect against electrostatic discharges encountered during handling and assembly. The driver outputs and receiver inputs of the MAX3483E family of devices have extra protection against static electricity. Maxim’s engineers have developed state-of-the-art structures to protect these pins against ESD of ±15kV without damage. The ESD structures withstand high ESD in all states: normal operation, shutdown, and powered down. After an ESD event, Maxim’s E versions keep working without latchup or damage.ESD protection can be tested in various ways; the transmitter outputs and receiver inputs of this product family are characterized for protection to the following limits:1)±15kV using the Human Body Model2)±8kV using the Contact-Discharge method specifiedin IEC 1000-4-23)±15kV using IEC 1000-4-2’s Air-Gap method.ESD Test Conditions ESD performance depends on a variety of conditions. Contact Maxim for a reliability report that documents test setup, test methodology, and test results.Human Body Model Figure 22a shows the Human Body Model and Figure 22b shows the current waveform it generates when dis-charged into a low impedance. This model consists of a 100pF capacitor charged to the ESD voltage of inter-est, which is then discharged into the test device through a 1.5kΩresistor.IEC 1000-4-2 The IEC 1000-4-2 standard covers ESD testing and performance of finished equipment; it does not specifi-cally refer to integrated circuits. The MAX3483E family of devices helps you design equipment that meets Level 4 (the highest level) of IEC 1000-4-2, without the need for additional ESD-protection components.The major difference between tests done using the Human Body Model and IEC 1000-4-2 is higher peak current in IEC 1000-4-2, because series resistance is lower in the IEC 1000-4-2 model. Hence, the ESD with-stand voltage measured to IEC 1000-4-2 is generally lower than that measured using the Human Body Model. Figure 23a shows the IEC 1000-4-2 model, and Figure 23b shows the current waveform for the ±8kV IEC 1000-4-2, Level 4 ESD contact-discharge test.Figure 21. Line Repeater for MAX3488E/MAX3490E/MAX3491EMAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers ______________________________________________________________________________________13M A X 3483E /M A X 3485E /M A X 3486E /M A X 3488E /M A X 3490E /M A X 3491EThe air-gap test involves approaching the device with a charged probe. The contact-discharge method connects the probe to the device before the probe is energized.Machine ModelThe Machine Model for ESD tests all pins using a 200pF storage capacitor and zero discharge resis-tance. Its objective is to emulate the stress caused when I/O pins are contacted by handling equipment during test and assembly. Of course, all pins require this protection, not just RS-485 inputs and outputs.Typical ApplicationsThe MAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E transceivers are designed for bidirectional data communications on multipoint bus transmission lines. Figures 24 and 25 show typical net-work applications circuits. These parts can also be used as line repeaters, with cable lengths longer than 4000 feet, as shown in Figure 21.To minimize reflections, the line should be terminated at both ends in its characteristic impedance, and stub lengths off the main line should be kept as short as possible. The slew-rate-limited MAX3483E/MAX3488E and the partially slew-rate-limited MAX3486E are more tolerant of imperfect termination.3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers14______________________________________________________________________________________Figure 22a. Human Body ESD Test ModelFigure 22b. Human Body Current WaveformFigure 23a. IEC 1000-4-2 ESD Test ModelFigure 23b. IEC 1000-4-2 ESD Generator Current WaveformMAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceivers______________________________________________________________________________________15Figure 25. MAX3488E/MAX3490E/MAX3491E Full-Duplex RS-485 NetworkFigure 24. MAX3483E/MAX3485E/MAX3486E Typical RS-485 NetworkM A X 3483E /M A X 3485E /M A X 3486E /M A X 3488E /M A X 3490E /M A X 3491E3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited T rue RS-485/RS-422 T ransceiversTRANSISTOR COUNT: 761Chip InformationOrdering Information (continued)Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.16____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600©1999 Maxim Integrated ProductsPrinted USAis a registered trademark of Maxim Integrated Products.。

MAX3280EAUK-T中文资料

General DescriptionThe MAX3280E/MAX3281E/MAX3283E/MAX3284E are single receivers designed for RS-485 and RS-422 com-munication. These devices guarantee data rates up to 52Mbps, even with a 3V power supply. Excellent propa-gation delay (15ns max) and package-to-package skew time (8ns max) make these devices ideal for mul-tidrop clock distribution applications.The MAX3280E/MAX3281E/MAX3283E/MAX3284E have true fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are opened or shorted. The receiver output will be a logic high if all transmitters on a terminated bus are disabled (high impedance). These devices feature 1/4-unit-load receiver input impedance, allowing up to 128 receivers on the same bus.The MAX3280E is a single receiver available in a 5-pin SOT23 package. The MAX3281E/MAX3283E single receivers have a receiver enable (EN or EN ) function and are offered in a 6-pin SOT23 package. The MAX3284E features a voltage logic pin that allows com-patibility with low-voltage logic levels, as in digital FPGAs/ASICs. On the MAX3284E, the voltage threshold for a logic high is user-defined by setting V L in the range from 1.65V to V CC . The MAX3284E is also offered in a 6-pin SOT23 package.ApplicationsClock Distribution Telecom Racks Base Stations Industrial Control Local Area NetworksFeatureso ESD Protection:±15kV–Human Body Model±6kV–IEC 1000-4-2, Contact Discharge ±12kV–IEC 1000-4-2, Air-Gap Discharge o Guaranteed 52Mbps Data Rateo Guaranteed 15ns Receiver Propagation Delay o Guaranteed 2ns Receiver Skewo Guaranteed 8ns Package-to-Package Skew Time o V L Pin for Connection to FPGAs/ASICs o Allow Up to 128 Transceivers on the Bus (1/4-unit-load)o Tiny SOT23 Package o True Fail-Safe Receivero -7V to +12V Common-Mode Range o 3V to 5.5V Power-Supply Rangeo Enable (High and Low) Pins for Redundant Operation o Three-State Output Stage (MAX3281E/MAX3283E)o Thermal Protection Against Output Short CircuitMAX3280E/MAX3281E/MAX3283E/MAX3284E±15kV ESD-Protected 52Mbps, 3V to 5.5V , SOT23RS-485/RS-422 True Fail-Safe Receivers________________________________________________________________Maxim Integrated Products1Ordering Information19-2320; Rev 0; 1/02For pricing, delivery, and ordering information,please contact Maxim/Dallas Direct!at 1-888-629-4642, or visit Maxim’s website at .Pin Configurations appear at end of data sheet.M A X 3280E /M A X 3281E /M A X 3283E /M A X 3284E±15kV ESD-Protected 52Mbps, 3V to 5.5V , SOT23RS-485/RS-422 True Fail-Safe ReceiversABSOLUTE MAXIMUM RATINGSELECTRICAL CHARACTERISTICS(V CC = 3V to 5.5V, V L = V CC , T A = T MIN to T MAX , unless otherwise noted. Typical values are at V CC = 5V and T A = +25°C.) (Notes 2, 3)Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.(All Voltages Referenced to GND)Supply Voltage (V CC )...............................................-0.3V to +6V Control Input Voltage (EN, EN ).................................-0.3V to +6V V L Input Voltage.......................................................-0.3V to +6V Receiver Input Voltage (A, B)..............................-7.5V to +12.5V Receiver Output Voltage (RO)....................-0.3V to (V CC + 0.3V)Receiver Output Voltage(RO) (MAX3284E).....................................-0.3V to (V L + 0.3V)Receiver Output Short-Circuit Current.......................ContinuousContinuous Power Dissipation (T A = +70°C)5-Pin SOT23 (derate 7.1mW/°C above +70°C)............571mW 6-Pin SOT23 (derate 8.7mW/°C above +70°C)............696mW Operating Temperature RangeMAX328_EA__..............................................-40°C to +125°C Storage Temperature Range.............................-65°C to +150°C Junction Temperature......................................................+150°C Lead Temperature (soldering, 10s).................................+300°CMAX3280E/MAX3281E/MAX3283E/MAX3284E±15kV ESD-Protected 52Mbps, 3V to 5.5V , SOT23RS-485/RS-422 True Fail-Safe Receivers_______________________________________________________________________________________3SWITCHING CHARACTERISTICSTypical Operating Characteristics(V CC = 3.3V, T A = +25°C, unless otherwise noted.)0132450201030405060RECEIVER OUTPUT LOW VOLTAGEvs. OUTPUT CURRENTOUTPUT CURRENT (mA)O U T P U T V O L T A G E (V )013245-50-30-40-20-10RECEIVER OUTPUT HIGH VOLTAGEvs. OUTPUT CURRENTOUTPUT CURRENT (mA)O U T P U T V O L T A G E (V )2.53.04.03.54.55.0-50-25255075100125RECEIVER OUTPUT HIGH VOLTAGEvs. TEMPERATURETEMPERATURE (°C)R E C E I V E R O U T P U T H I G H V O L T A G E (V )ground, unless otherwise noted.Note 4:V CM is the common-mode input voltage. V ID is the differential input voltage.Note 5:Not production tested. Guaranteed by design.Note 6:See Table 2 for MAX3284E data rates with V L < V CC .M A X 3280E /M A X 3281E /M A X 3283E /M A X 3284E±15kV ESD-Protected 52Mbps, 3V to 5.5V , SOT23RS-485/RS-422 True Fail-Safe Receivers 4_______________________________________________________________________________________050100150200-50-25255075100125RECEIVER OUTPUT LOW VOLTAGEvs. TEMPERATURETEMPERATURE (°C)R E C E I V E R O U T P U T L O W V O L T A G E (m V)457689-50-25255075100125RECEIVER PROPAGATION DELAY (t PLH )vs. TEMPERATURETEMPERATURE (°C)t P L H (n s)678910-50-25255075100125RECEIVER PROPAGATION DELAY (t PHL )vs. TEMPERATURETEMPERATURE (°C)t P H L (n s )56789SUPPLY CURRENT vs. TEMPERATURETEMPERATURE (°C)S U P P L Y C U R R E N T (m A )-502550-257510012560504030201.53.52.54.55.5MAX3284E MAXIMUM DATA RATEvs. VOLTAGE LOGIC LEVELM A X 3280/1/3/4E t o c 08VOLTAGE LOGIC LEVEL (V)D A T A R A TE (M b p s )0264810SUPPLY CURRENT vs. DATA RATEDATA RATE (kbps)S U P P L Y C U R R E N T (m A )10100010010,000100,0000.0010.010.1110V L SUPPLY CURRENT vs. TEMPERATURETEMPERATURE (°C)V L S U P P L Y C U R R E N T (m A )-502550-2575100125Typical Operating Characteristics (continued)(V CC = 3.3V, T A = +25°C, unless otherwise noted.)Detailed Description The MAX3280E/MAX3281E/MAX3283E/MAX3284E are single, true fail-safe receivers designed to operate at data rates up to 52Mbps. The fail-safe architecture guar-antees a high output signal if both input terminals are open or shorted together. See the True Fail-Safe section. This feature assures a stable and predictable output logic state with any transmitter driving the line. These receivers function with a 3.3V or 5V supply voltage and feature excellent propagation delay times (15ns).The MAX3280E is a single receiver available in a 5-pin SOT23 package. The MAX3281E (EN, active high) and MAX3283E (EN, active low) are single receivers that also contain an enable pin. Both the MAX3281E and MAX3283E are available in a 6-pin SOT23 package. The MAX3284E is a single receiver that contains a V L pin, which allows communication with low-level logic included in digital FPGAs. The MAX3284E is available in a 6-pin SOT23 package.The MAX3284E’s low-level logic application allows users to set the logic levels. A logic high level of 1.65V will limit the maximum data rate to 20Mbps.±15kV ESD Protection ESD-protection structures are incorporated on the receiver input pins to protect against ESD encountered during handling and assembly. The MAX3280E/ MAX3281E/MAX3283E/MAX3284E receiver inputs (A, B) have extra protection against static electricity found in normal operation. Maxim’s engineers developed state-of-the-art structures to protect these pins against family of parts continues working without latchup.ESD protection can be tested in several ways. The receiver inputs are characterized for protection to the following:•±15kV using the Human Body Model•±6kV using the Contact Discharge method specified in IEC 1000-4-2 (formerly IEC 801-2)•±12kV using the Air-Gap Discharge method speci-fied in IEC 1000-4-2 (formerly IEC 801-2)ESD Test ConditionsESD performance depends on a number of conditions. Contact Maxim for a reliability report that documentstest setup, methodology, and results.Human Body Model Figure 3a shows the H uman Body Model, and Figure3b shows the current waveform it generates when dis-charged into a low impedance. This model consists ofa 100pF capacitor charged to the ESD voltage of inter-est, which is then discharged into the device through a1.5kΩresistor.IEC 1000-4-2Since January 1996, all equipment manufacturedand/or sold in the European community has been required to meet the stringent IEC 1000-4-2 specifica-tion. The IEC 1000-4-2 standard covers ESD testingand performance of finished equipment; it does not specifically refer to integrated circuits. TheMAX3280E/MAX3281E/MAX3283E/MAX3284E help MAX3280E/MAX3281E/MAX3283E/MAX3284E±15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23 RS-485/RS-422 True Fail-Safe Receivers_______________________________________________________________________________________5M A X 3280E /M A X 3281E /M A X 3283E /M A X 3284Eusers design equipment that meets Level 3 of IEC 1000-4-2, without additional ESD-protection components.The main difference between tests done using the H uman Body Model and IEC 1000-4-2 is higher peak current in IEC 1000-4-2. Because series resistance is lower in the IEC 1000-4-2 ESD test model (Figure 4a),the ESD-withstand voltage measured to this standard is generally lower than that measured using the H uman Body Model. Figure 4b shows the current waveform for the ±8kV IEC 1000-4-2 Level 4 ESD Contact Discharge test. The Air-Gap test involves approaching the device with a charger probe. The Contact Discharge method connects the probe to the device before the probe is energized.Machine ModelThe Machine Model for ESD testing uses a 200pF stor-age capacitor and zero-discharge resistance. It mimics the stress caused by handling during manufacturing and assembly. All pins (not just the RS-485 inputs)require this protection during manufacturing. Therefore,the Machine Model is less relevant to the I/O ports than are the Human Body Model and IEC 1000-4-2.True Fail-SafeThe MAX3280E/MAX3281E/MAX3283E/MAX3284E guarantee a logic-high receiver output when the receiv-er inputs are shorted or open, or when they are connect-ed to a terminated transmission line with all drivers disabled. This guaranteed logic high is achieved by set-ting the receiver threshold between -50mV and -200mV.If the differential receiver input voltage (A-B) is greater than or equal to -50mV, RO is logic high. If (A-B) is less than or equal to -200mV, RO is logic low.In the case of a terminated bus with all transmitters dis-abled, the receiver ’s differential input voltage is pulled to ground by the termination. This results in a logic high with a 50mV minimum noise margin. Unlike previous fail-safe devices, the -50mV to -200mV threshold com-plies with the ±200mV EIA/TIA-485 standard.Receiver Enable(MAX3281E and MAX3283E only)The MAX3281E and MAX3283E feature a receiver out-put enable (EN, MAX3281E or EN , MAX3283E) input that controls the receiver. The MAX3281E receiver enable (EN) pin is active high, meaning the receiver outputs are active when EN is high. The MAX3283E receiver enable (EN ) pin is active low. Receiver outputs are high impedance when the MAX3281E ’s EN pin is low and when the MAX3283E ’s EN pin is high.(MAX3284E only)An increasing number of applications now operate at low-voltage logic levels. To enable compatibility with these low-voltage logic level applications, such as digi-tal FPGAs, the MAX3284E V L pin is a user-defined sup-ply voltage that designates the voltage threshold for a logic high.At lower V L voltages, the data rate will also be lower. A logic-high level of 1.65V will receive data at 20Mbps.Table 2 gives data rates at various voltages at V L .Applications InformationPropagation Delay MatchingThe MAX3280E/MAX3281E/MAX3283E/MAX3284E (V CC = V L ) exhibit propagation delays that are closely matched from one device to another, even between devices from different production lots. This feature allows multiple data lines to receive data and clock sig-nals with minimal skew with respect to each other.Figure 5 shows the typical propagation delays. Small receiver skew times, the difference between the low-to-high and high-to-low propagation delay, help maintain a symmetrical ratio (50% duty cycle). The receiver skewtime | t PLH - t PHL | is under 2ns for either a 3.3V supply or a 5V supply.Multidrop Clock DistributionLow package-to-package skew (8ns max) makes the M A X 3280E /M A X 3281E /M A X 3283E /M A X 3284E (V CC = V L )ideal for multidrop clock distribution. When distributing a clock signal to multiple circuits over long transmission lines, receivers in separate locations, and possibly at two different temperatures, would ideally±15kV ESD-Protected 52Mbps, 3V to 5.5V , SOT23RS-485/RS-422 True Fail-Safe Receivers 6_______________________________________________________________________________________Table 1. MAX3281E/MAX3283E Enable TableTable 2. MAX3284E Data Rate Tableprovide the same clock to their respective circuits.Thus, minimal package-to-package skew is critical. The skew must be kept well below the period of the clock signal to ensure that all of the circuits on the network are synchronized.128 Receivers on the BusThe standard RS-485 input impedance is 12k Ω(one-unit load). The standard RS-485 transmitter can drive 32 unit loads. The MAX3280E/MAX3281E/MAX3283E/MAX3284E present a 1/4-unit-load input impedance(48k Ω), which allows up to 128 receivers on the bus.Any combination of these RS-485 receivers with a total of 32 unit loads can be connected to the same bus.Thermal ProtectionThe MAX3280E/MAX3281E/MAX3283E/MAX3284E fea-ture thermal protection. Thermal protection sets the out-put stage in high-impedance mode when a short circuit occurs at the output, limiting both the power dissipation and temperature. The thermal temperature threshold is +165°C, with a hysteresis of 20°C.MAX3280E/MAX3281E/MAX3283E/MAX3284E±15kV ESD-Protected 52Mbps, 3V to 5.5V , SOT23RS-485/RS-422 True Fail-Safe Receivers_______________________________________________________________________________________7Test Circuits/Timing DiagramsFigure 2. MAX3281E/MAX3283E Receiver Enable/Disable TimingM A X 3280E /M A X 3281E /M A X 3283E /M A X 3284E±15kV ESD-Protected 52Mbps, 3V to 5.5V , SOT23RS-485/RS-422 True Fail-Safe Receivers 8_______________________________________________________________________________________Test Circuits/Timing Diagrams (continued)Figure 3a. Human Body ESD Test ModelFigure 3b. Human Body Model Current WaveformFigure 4a. IEC 1000-4-2 ESD Test ModelFigure 4b. IEC 1000-4-2 ESD Generator Current Waveform10nsB = GNDFigure 5. Receiver Propagation Delay Driven by External RS-485 DeviceMAX3280E/MAX3281E/MAX3283E/MAX3284E±15kV ESD-Protected 52Mbps, 3V to 5.5V , SOT23RS-485/RS-422 True Fail-Safe Receivers_______________________________________________________________________________________9Typical Operating CircuitPin ConfigurationsChip InformationTRANSISTOR COUNT: 233PROCESS: BiCMOSM A X 3280E /M A X 3281E /M A X 3283E /M A X 3284E±15kV ESD-Protected 52Mbps, 3V to 5.5V , SOT23RS-485/RS-422 True Fail-Safe Receivers 10______________________________________________________________________________________Package InformationMAX3280E/MAX3281E/MAX3283E/MAX3284E ±15kV ESD-Protected 52Mbps, 3V to 5.5V , SOT23RS-485/RS-422 True Fail-Safe ReceiversMa xim ca nnot a ssume responsibility for use of a ny circuitry other tha n circuitry entirely embodied in a Ma xim product. No circuit pa tent licenses a re implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________11©2002 Maxim Integrated Products Printed USAis a registered trademark of Maxim Integrated Products.Package Information (continued)元器件交易网。

MAX490EESA+资料

Supply Control
Voltage (VCC) Input Voltage
.(.–R—..E.–..,..D..E..)........................................-.0....5..V...t.o...(.V..C...C...+...0...152VV)
♦ For Low-Voltage Applications: MAX3483E/MAX3485E/MAX3486E/MAX3488E/ MAX3490E/MAX3491E: +3.3V Powered, ±15kV ESD-Protected, 12Mbps, Slew-Rate-Limited, True RS-485/RS-422 Transceivers
General Description
The MAX481E, MAX483E, MAX485E, MAX487E– MAX491E, and MAX1487E are low-power transceivers for RS-485 and RS-422 communications in harsh environments. Each driver output and receiver input is protected against ±15kV electro-static discharge (ESD) shocks, without latchup. These parts contain one driver and one receiver. The MAX483E, MAX487E, MAX488E, and MAX489E feature reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, thus allowing error-free data transmission up to 250kbps. The driver slew rates of the MAX481E, MAX485E, MAX490E, MAX491E, and MAX1487E are not limited, allowing them to transmit up to 2.5Mbps.

MAX3283EAUT中文资料

Operating Temperature Range MAX328_EA__ ..............................................-40°C to +125°C
Storage Temperature Range .............................-65°C to +150°C Junction Temperature ......................................................+150°C Lead Temperature (soldering, 10s) .................................+300°C
Applications
Pin Configurations appear at end of data sheet.
Ordering Information
PART
MAX3280EAUK-T MAX3281EAUT-T MAX3283EAUT-T MAX3284EAUT-T
TEMP RANGE
-40°C to +125°C -40°C to +125°C -40°C to +125°C -40°C t0E/MAX3281E/MAX3283E/MAX3284E
±15kV ESD-Protected 52Mbps, 3V to 5.5V, SOT23 RS-485/RS-422 True Fail-Safe Receivers
ABSOLUTE MAXIMUM RATINGS
(All Voltages Referenced to GND)
Receiver Output High Voltage

MGate系列产品发布说明书

MGate Manager for MGate Series Release NotesSupported Operating SystemsNotesChangesApplicable ProductsBugs Fixed• Supports cybersecurity features for the MGate MB3000 Series.• User parameter in GSD file PXC_06CC.gsd are incorrectly parsed for MGate 5101-PBM-MN/5102-PBM-PN.• User parameter in GSD file si04806a.gsd are incorrectly parsed for MGate 5101-PBM-MN/5102-PBM-PN.• GSD management failed to add SE100E2E.GSD for MGate 5101-PBM-MN/5102-PBM-PN.EnhancementsWindows 10, Windows 2000, Windows 7, Windows 8, Windows 8.1, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Vista, Windows XPMGate MB3180, MGate MB3280, MGate MB3480, MGate MB3170, MGate MB3170I, MGate MB3270,MGate MB3270I, MGate MB3170-T, MGate MB3170I-T, MGate MB3270-T, MGate MB3270I-T, MGate MB3170-M-SC, MGate MB3170-M-ST, MGate MB3170-S-SC, MGate MB3170I-M-SC, MGate MB3170I-S-SC, MGate MB3170-M-SC-T, MGate MB3170-M-ST-T, MGate MB3170-S-SC-T, MGate MB3170I-M-SC-T, MGate MB3170I-S-SC-T, MGate 5101-PBM-MN, MGate 5101-PBM-MN-T, MGate 5105-MB-EIP, MGate 5105-MB-EIP-T, MGate 5102-PBM-PN, MGate 5102-PBM-PN-T, MGate EIP3170, MGate EIP3170I, MGate EIP3270, MGate EIP3270I, MGate EIP3170-T, MGate EIP3170I-T,MGate EIP3270-T, MGate 4101-MB-PBS, MGate 4101I-MB-PBS, MGate 4101-MB-PBS-T, MGate 4101I-MB-PBS-T• Added username login function for MGate MB3000 Series, MGate 5101-PBM-MN, MGate 5102-PBM-PN, and MGate 5105-MB-EIP.New FeaturesN/AN/ASupported Operating SystemsNotesChangesApplicable ProductsBugs Fixed• Supports cybersecurity features for MGate 5101-PBM-MN, MGate 5102-PBM-PN, and MGate 5105-MB-EIP.• Added EtherNet/IP encapsulation inactivity timeout and configuration instance settings for MGate 5105-MB-EIP.• MB3270 cannot be configured in high-latency network environments.EnhancementsWindows 10, Windows 2000, Windows 7, Windows 8, Windows 8.1, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Vista, Windows XPMGate MB3180, MGate MB3280, MGate MB3480, MGate MB3170, MGate MB3170I, MGate MB3270,MGate MB3270I, MGate MB3170-T, MGate MB3170I-T, MGate MB3270-T, MGate MB3270I-T, MGate MB3170-M-SC, MGate MB3170-M-ST, MGate MB3170-S-SC, MGate MB3170I-M-SC, MGate MB3170I-S-SC, MGate MB3170-M-SC-T, MGate MB3170-M-ST-T, MGate MB3170-S-SC-T, MGate MB3170I-M-SC-T, MGate MB3170I-S-SC-T, MGate 5101-PBM-MN, MGate 5101-PBM-MN-T, MGate 5105-MB-EIP, MGate 5105-MB-EIP-T, MGate 5102-PBM-PN, MGate 5102-PBM-PN-T, MGate EIP3170, MGate EIP3170I, MGate EIP3270, MGate EIP3270I, MGate EIP3170-T, MGate EIP3170I-T,MGate EIP3270-T, MGate 4101-MB-PBS, MGate 4101I-MB-PBS, MGate 4101-MB-PBS-T, MGate 4101I-MB-PBS-T• Supports Modbus fault protection function for MGate 5101-PBM-MN and MGate 5105-MB-EIP.• Supports EtherNet/IP fault protection function for MGate 5105-MB-EIP.• Supports accessible IP for MGate 5102-PBM-PN.New FeaturesN/AN/ASupported Operating SystemsNotesChangesApplicable ProductsBugs Fixed• MGate 5101-PBM-MN / 5102-PBM-PN cannot communicate with WAGO 750-303 due to incorrect parsing.• Supports EIP3000 Forward open connection path.• MGate 5101-PBM-MN/5102-PBM-PN cannot add SIE180BB.GSD (for Siemens SIMEAS P).• MGate 5101-PBM-MN/5102-PBM-PN cannot remove GSD file with read-only attribute.• MGate 5105-MB-EIP cannot be configured for some version.EnhancementsWindows 10, Windows 2000, Windows 7, Windows 8, Windows 8.1, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Vista, Windows XPMGate MB3180, MGate MB3280, MGate MB3480, MGate MB3170, MGate MB3170I, MGate MB3270,MGate MB3270I, MGate MB3170-T, MGate MB3170I-T, MGate MB3270-T, MGate MB3270I-T, MGate MB3170-M-SC, MGate MB3170-M-ST, MGate MB3170-S-SC, MGate MB3170I-M-SC, MGate MB3170I-S-SC, MGate MB3170-M-SC-T, MGate MB3170-M-ST-T, MGate MB3170-S-SC-T, MGate MB3170I-M-SC-T, MGate MB3170I-S-SC-T, MGate 5101-PBM-MN, MGate 5101-PBM-MN-T, MGate 5105-MB-EIP, MGate 5105-MB-EIP-T, MGate 5102-PBM-PN, MGate 5102-PBM-PN-T, MGate EIP3170, MGate EIP3170I, MGate EIP3270, MGate EIP3270I, MGate EIP3170-T, MGate EIP3170I-T,MGate EIP3270-T, MGate 4101-MB-PBS, MGate 4101I-MB-PBS, MGate 4101-MB-PBS-T, MGate 4101I-MB-PBS-T• Supports auto device routing for MGate MB3270, MB3280, and MB3480 Series.New FeaturesN/AN/ASupported Operating SystemsNotesChangesApplicable ProductsBugs Fixed• Modified the MG4101 I/O mapping page, dynamic GSD export, and I/O data view.• Supports MB3180 Web Console.• Added MB3000 Modbus TCP listen port setting.• Multi-language support.• MGate manager does not modify broadcast IP after changing IP and netmask settings for MGate 5101/5102/5105 devices.• Updated the PNIO version of MGate 5102 GSDML.EnhancementsWindows 10, Windows 2000, Windows 7, Windows 8, Windows 8.1, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Vista, Windows XPMGate MB3180, MGate MB3280, MGate MB3480, MGate MB3170, MGate MB3170I, MGate MB3270,MGate MB3270I, MGate MB3170-T, MGate MB3170I-T, MGate MB3270-T, MGate MB3270I-T, MGate MB3170-M-SC, MGate MB3170-M-ST, MGate MB3170-S-SC, MGate MB3170I-M-SC, MGate MB3170I-S-SC, MGate MB3170-M-SC-T, MGate MB3170-M-ST-T, MGate MB3170-S-SC-T, MGate MB3170I-M-SC-T, MGate MB3170I-S-SC-T, MGate 5101-PBM-MN, MGate 5101-PBM-MN-T, MGate 5105-MB-EIP, MGate 5105-MB-EIP-T, MGate 5102-PBM-PN, MGate 5102-PBM-PN-T, MGate EIP3170, MGate EIP3170I, MGate EIP3270, MGate EIP3270I, MGate EIP3170-T, MGate EIP3170I-T,MGate EIP3270-T, MGate 4101-MB-PBS, MGate 4101I-MB-PBS, MGate 4101-MB-PBS-T, MGate 4101I-MB-PBS-T• Supports Windows 10.• MGate 4101 Modbus Fault Protection setting.New FeaturesN/AN/ASupported Operating SystemsNotesChangesApplicable ProductsBugs FixedN/AN/AEnhancementsWindows 2000, Windows 7, Windows 8, Windows 8.1, Windows Server 2003, Windows Server 2008,Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Vista, Windows XPMGate MB3180, MGate MB3280, MGate MB3480, MGate MB3170, MGate MB3170I, MGate MB3270,MGate MB3270I, MGate MB3170-T, MGate MB3170I-T, MGate MB3270-T, MGate MB3270I-T, MGate MB3170-M-SC, MGate MB3170-M-ST, MGate MB3170-S-SC, MGate MB3170I-M-SC, MGate MB3170I-S-SC, MGate MB3170-M-SC-T, MGate MB3170-M-ST-T, MGate MB3170-S-SC-T, MGate MB3170I-M-SC-T, MGate MB3170I-S-SC-T, MGate 5101-PBM-MN, MGate 5101-PBM-MN-T, MGate 5105-MB-EIP, MGate 5105-MB-EIP-T, MGate 5102-PBM-PN, MGate 5102-PBM-PN-T, MGate EIP3170, MGate EIP3170I, MGate EIP3270, MGate EIP3270I, MGate EIP3170-T, MGate EIP3170I-T,MGate EIP3270-T, MGate 4101-MB-PBS, MGate 4101I-MB-PBS, MGate 4101-MB-PBS-T, MGate 4101I-MB-PBS-T• Supports MGate MB3170-M-SC, MB3170-M-ST, MB3170-S-SC, MB3170I-M-SC, and MB3170I-S-SC.• Supports Modbus routing by TCP port, IP address, and multi-range slave ID.• Supports exporting MB3000 monitor log to CSV format.New FeaturesN/AN/ASupported Operating SystemsNotesChangesApplicable ProductsBugs Fixed• Supports PROFIBUS module names over 32 characters long. The displayed module name will be truncated when its length exceeds the 32-character limitation specified by the PROFIBUS GSD specification.• Modified the file extension of MB3000 offline configuration to "cfg".• "Monitor" function of device will faileif the device address is translated (NAT) by a router.• GSD Management cannot add a GSD file with long arguments.• Allows Modbus command 06 with swap being set to "Byte".EnhancementsWindows 2000, Windows 7, Windows 8, Windows 8.1, Windows Server 2003, Windows Server 2008,Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Vista, Windows XPMGate MB3180, MGate MB3280, MGate MB3480, MGate MB3170, MGate MB3170I, MGate MB3270,MGate MB3270I, MGate MB3170-T, MGate MB3170I-T, MGate MB3270-T, MGate MB3270I-T, MGate 5101-PBM-MN, MGate 5101-PBM-MN-T, MGate 5105-MB-EIP, MGate 5105-MB-EIP-T, MGate 5102-PBM-PN, MGate 5102-PBM-PN-T, MGate EIP3170, MGate EIP3170I, MGate EIP3270, MGate EIP3270I, MGate EIP3170-T, MGate EIP3170I-T, MGate EIP3270-T, MGate 4101-MB-PBS, MGate 4101I-MB-PBS, MGate 4101-MB-PBS-T, MGate 4101I-MB-PBS-T• Supports Windows 8.1, Windows Server 2012 R2.New FeaturesN/AN/ASupported Operating SystemsNotesChangesApplicable ProductsBugs Fixed• Language button and dialogs would always be displayed in English instead of the user-specified language.• Auto setting file names during saving/loading files.• Changed the message of "Modbus Tcp" to "Modbus TCP".• Add devices to the device list by searching using the “Specify IP Search” option.• Fewer error messages will be displayed when broadcast search occurs just after powering on an MGate that uses DHCP.• Wrong firmware version returned by dsc_GetKernelInfo of MGCI.• Wrong tab order.• Unlimited length for name of the MGate.• Incorrect display of "Unlock" on the MGate device list.EnhancementsWindows 2000, Windows 7, Windows 8, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Vista, Windows XPMGate MB3180, MGate MB3280, MGate MB3480, MGate MB3170, MGate MB3170I, MGate MB3270,MGate MB3270I, MGate MB3170-T, MGate MB3170I-T, MGate MB3270-T, MGate MB3270I-T, MGate 5101-PBM-MN, MGate 5101-PBM-MN-T, MGate 5105-MB-EIP, MGate 5105-MB-EIP-T, MGate 5102-PBM-PN, MGate 5102-PBM-PN-T, MGate EIP3170, MGate EIP3170I, MGate EIP3270, MGate EIP3270I, MGate EIP3170-T, MGate EIP3170I-T, MGate EIP3270-T, MGate 4101-MB-PBS, MGate 4101I-MB-PBS, MGate 4101-MB-PBS-T, MGate 4101I-MB-PBS-T• Configuration pages can now be accessed by double-clicking an MGate from the MGate list.• Added a Group Box to separate mode and serial settings for each port.New FeaturesN/AN/ASupported Operating SystemsNotesChangesApplicable ProductsBugs FixedN/AN/AEnhancementsWindows 2000, Windows 7, Windows 8, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Vista, Windows XPMGate MB3180, MGate MB3280, MGate MB3480, MGate MB3170, MGate MB3170I, MGate MB3270,MGate MB3270I, MGate MB3170-T, MGate MB3170I-T, MGate MB3270-T, MGate MB3270I-T, MGate 5101-PBM-MN, MGate 5101-PBM-MN-T, MGate 5105-MB-EIP, MGate 5105-MB-EIP-T, MGate 5102-PBM-PN, MGate 5102-PBM-PN-T, MGate EIP3170, MGate EIP3170I, MGate EIP3270, MGate EIP3270I, MGate EIP3170-T, MGate EIP3170I-T, MGate EIP3270-T, MGate 4101-MB-PBS, MGate 4101I-MB-PBS, MGate 4101-MB-PBS-T, MGate 4101I-MB-PBS-T• First release.New FeaturesN/AN/A。

Allegro 3280, 3281, AND 3283 说明书

The A3280--, A3281--, and A3283-- Hall-effect latches are ex t reme l y temperature-stable and stress-resistant sensors especially suited for op-eration over extended temperature ranges to +150°C. Superior high-tem-perature per f or m ance is made possible through dynamic offset cancella-tion, which reduces the residual offset voltage normally caused by device overmolding, temperature dependencies, and thermal stress. The three devices are iden t i c al except for mag n et i c switch points.Each device includes on a single silicon chip a voltage regulator, Hall-voltage generator, small-signal amplifier, chopper sta b i l i z a t ion, Schmitt trigger, and a short-circuit protected open-collector output to sink up to 25 mA. A south pole of sufficient strength will turn the output on. A north pole is necessary to turn the output off. An on-board regula-tor permits operation with supply voltages of 4.2 to 24 volts.Three package styles provide a magnetically op t i m ized pack a ge for most ap p li c a t ions. Package type LH is a modified SOT23W surface-mount package, LT is a miniature SOT89/TO-243AA transistor package for surface-mount applications; while UA is a three-lead ultra-mini-SIP for through-hole mounting. Each package type is also available in a lead (Pb) free version (suffix, –T) , with a 100% matte tin plated leadframe.Data Sheet27609.20cFEATURES■Symmetrical Switch Points■Resistant to Physical Stress■Superior Temperature Stability■Output Short-Circuit Protection■Operation From Unregulated Supply■Reverse Battery Protection■Sol i d-State Reliability■Small Size3280, 3281,AND 3283CHOPPER-STABILIZED, PRECISIONHALL-EF F ECT LATCHES Dwg. PH-003-2GROUNDOUTPUT查询A3280ELHLT供应商3280, 3281, AND 3283CHOPPER-STABILIZED,PRECISIONHALL-EFFECT LATCHES2Product Selection GuidePart NumberPb-freePacking*MountingAmbient, T A(°C)B RP(MIN)(T A = 25°C)(G)B OP(MAX)(T A = 25°C)(G)A3280ELHLT A3280ELHLT-T –Yes 7-in. reel, 3000 pieces/reelSOT23W Surface Mount–40 to 85–4040A3280ELT A3280ELT-T –Yes Bulk, 500 pieces/bagSOT89 Surface Mount A3280ELTTR A3280ELTTR-T –Yes 7-in. reel, 1000 pieces/reelA3280EUA A3280EUA-T –Yes Bulk, 500 pieces/bag4-pin SIP through holeA3280LLHLT A3280LLHLT-T –Yes 7-in. reel, 3000 pieces/reelSOT23W Surface Mount–40 to 150A3280LLT A3280LLT-T –Yes Bulk, 500 pieces/bagSOT89 Surface Mount A3280LLTTR A3280LLTTR-T –Yes 7-in. reel, 1000 pieces/reelA3280LUA A3280LUA-T –Yes Bulk, 500 pieces/bag4-pin SIP through hole A3281ELHLT A3281ELHLT-T –Yes 7-in. reel, 3000 pieces/reelSOT23W Surface Mount–40 to 85–9090A3281ELT A3281ELT-T –Yes Bulk, 500 pieces/bagSOT89 Surface Mount A3281ELTTR A3281ELTTR-T –Yes 7-in. reel, 1000 pieces/reelA3281EUA A3281EUA-T –Yes Bulk, 500 pieces/bag4-pin SIP through holeA3281LLHLT A3281LLHLT-T –Yes 7-in. reel, 3000 pieces/reelSOT23W Surface Mount–40 to 150A3281LLT A3281LLT-T –Yes Bulk, 500 pieces/bagSOT89 Surface Mount A3281LLTTR A3281LLTTR-T –Yes 7-in. reel, 1000 pieces/reelA3281LUA A3281LUA-T –Yes Bulk, 500 pieces/bag4-pin SIP through hole A3283ELHLT A3283ELHLT-T –Yes 7-in. reel, 3000 pieces/reelSOT23W Surface Mount–40 to 85–180180A3283ELT A3283ELT-T –Yes Bulk, 500 pieces/bagSOT89 Surface Mount A3283ELTTR A3283ELTTR-T –Yes 7-in. reel, 1000 pieces/reelA3283EUA A3283EUA-T –Yes Bulk, 500 pieces/bag4-pin SIP through holeA3283LLHLT A3283LLHLT-T –Yes 7-in. reel, 3000 pieces/reelSOT23W Surface Mount–40 to 150A3283LLT A3283LLT-T –Yes Bulk, 500 pieces/bagSOT89 Surface Mount A3283LLTTR A3283LLTTR-T –Yes 7-in. reel, 1000 pieces/reelA3283LUA A3283LUA-T –YesBulk, 500 pieces/bag4-pin SIP through hole*Contact Allegro for additional packing options.3280, 3281, AND 3283CHOPPER-STABILIZED,PRECISIONHALL-EFFECT LATCHES115 Northeast Cutoff, Box 15036Worcester, Massachusetts 01615-0036 (508) 853-50003Copyright © 2000, 2003, 2004 Allegro MicroSystems, Inc.Suffix ‘–LH’ Pinning3280, 3281, AND 3283CHOPPER-STABILIZED,PRECISIONHALL-EFFECT LATCHES4Part Numbers 1A3280A3281A3283Characteristic Test ConditionsMin.Typ.Max.Min.Typ.Max.Min.Typ.Max.Units Operate Point, B OPat T A = +25°C and T A = max. 5.02240155090100150180G at T A = -40°C5.0–4015–90100–200G Release Point, B RPat T A = +25°C and T A = max.-40-23-5.0-90-50-15-180-150-100G at T A = -40°C-40–-5.0-90–-15-200–-100G Hysteresis, B hysat T A = +25°C and T A = max.10458030100180–300360G (B OP - B RP )at T A = -40°C––80––180––360GNOTES:1. Complete part number includes a suffix to identify operating temperature range (E or L) andpackage type (LH, LT, or UA).2. As used here, negative flux densities are defined as less than zero (algebraic convention) and -50 G is less than +10 G.3. Typical Data is at T A = +25°C and V CC = 12 V and is for design information only.4. 1 gauss (G) is exactly equal to 0.1 millitesla (mT).LimitsCharacteristic Symbol Test Conditions Min.Typ.Max.Units Supply Voltage Range V CC Operating, T J < 165°C 1 4.2–24V Output Leakage Current I OFF V OUT = 24 V, B < B RP ––10µA Output Saturation Voltage V OUT(SAT)I OUT = 20 mA, B > B OP –185500mV Output Current Limit I OM B > B OP 30–60mA Power-On Time t po V CC > 4.2 V––50µs Chopping Frequency f C –340–kHz Output Rise Time t r R L = 820 Ω, C L = 20 pF –0.2 2.0µs Output Fall Time t f R L = 820 Ω, C L = 20 pF –0.1 2.0µs Supply CurrentI CCB < B RP , V CC = 12 V – 3.08.0mA B > B OP , V CC = 12 V– 4.08.0mA Reverse Battery Current I CC V RCC = -30 V––-5.0mA Zener Voltage V Z + V D I CC = 15 mA, T A = 25°C 283237V Zener Impedancez z + z DI CC = 15 mA, T A = 25°C –50–ΩNOTES:1.Maximum voltage must be adjusted for power dissipation and junction temperature.2. B OP = operate point (output turns on); B RP = release point (output turns off).3. Typical Data is at T A = +25°C and V CC = 12 V and is for design information only.ELECTRICAL CHARACTERISTICS over operating temperature range.MAGNETIC CHARACTERISTICS over operating voltage range.3280, 3281, AND 3283CHOPPER-STABILIZED,PRECISIONHALL-EFFECT LATCHES115 Northeast Cutoff, Box 15036Worcester, Massachusetts 01615-0036 (508) 853-50005* Complete part number includes a suffix denoting operating temperature range (E or L) and package type (LH, LT, or UA).3280, 3281, AND 3283CHOPPER-STABILIZED,PRECISIONHALL-EFFECT LATCHES6* Complete part number includes a suffix denoting operating temperature range (E or L) and package type (LH, LT, or UA).115 Northeast Cutoff, Box 15036Worcester, Massachusetts 01615-0036 (508) 853-50007changes to sensor location.3280, 3281, AND 3283CHOPPER-STABILIZED,PRECISIONHALL-EFFECT LATCHES8FUNCTIONAL DESCRIPTIONChopper-Stabilized Technique. The Hall element can beresistors. These devices use a proprietary dynamic offsetcancellation technique, with an internal high-frequency clock to reduce the residual offset voltage of the Hall element that is cies, and thermal stress. The chopper-stabilizing technique cancels the mismatching of the resistor circuit by changing the direction of the current flowing through the Hall plate using CMOS switches and Hall voltage measurement taps, whilemagnetic flux. The signal is then captured by a sample-and-hold circuit and further processed using low-offset bipolar circuitry. This technique produces devices that have anextremely stable quiescent Hall output voltage, are immune to cycling. This technique will also slightly degrade the device output repeatability. A relatively high sampling frequency is used in order that faster signals can be processed.More detailed descriptions of the circuit operation can be found in: Technical Paper STP 97-10, Monolithic Magnetic Hall Sensor Using Dynamic Quadrature Offset Cancellation and Technical Paper STP 99-1, Chopper-Stabilized Amplifiers With A Track-and-Hold Signal Demodulator .Operation. The output of these devices switches low (turns on) when a magnetic field perpendicular to the Hall sensor exceeds the operate point threshold (B OP ). After turn-on, the output is capable of sinking 25 mA and the output voltage is V OUT(SAT). Note that the device latches; that is, a south pole of sufficient strength towards the branded surface of the device will turn the device on; removal of the south pole will leave the device on. When the magnetic field is reduced below therelease point (B RP ), the device output goes high (turns off). The difference in the magnetic operate and release points is the hysteresis (B hys ) of the device. This built-in hysteresis allows clean switching of the output even in the presence of external mechanical vibration and electrical noise.Powering up in the absence of a magnetic field (less than B OP and higher than B RP ) will allow an indeterminate output state. The correct state is warranted after the first excursion beyond B OP or B RP.115 Northeast Cutoff, Box 15036Worcester, Massachusetts 01615-0036 (508) 853-50009The simplest form of magnet that will operate these devices is a ring magnet. Other methods of operation, such as linear magnets, are possible.Extensive applications information for Hall-effect sensors is available in:• Hall-Effect IC Applications Guide , Application Note 27701;• Hall-Effect Devices: Soldering, Gluing, Potting, Encapsulating, and Lead Forming , Application Note 27703.1;• Soldering of Through-Hole Hall-Sensor Dervices , Application Note 27703; and • Soldering of Surface-Mount Hall-Sensor Devices , Application Note 27703.2.More detailed descriptions of the chopper-stabilized circuit operation can be found in:• Monolithic Magnetic Hall Sensor Using Dynamic Quadrature Offset Cancelation , Technical Paper STP 97-10; and • Chopper-Stabilized Amplifiers With A Track-and-Hold Signal Demodulator , Technical Paper STP 99-1.All are provided atThe products described herein are manufactured under one or more of the following U.S. patents: 5,045,920; 5,264,783; 5,442,283;5,389,889; 5,581,179; 5,517,112; 5,619,137; 5,621,319; 5,650,719;5,686,894; 5,694,038; 5,729,130; 5,917,320; and other patents pending.Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the performance, reliability, ormanufacturability of its products. Before placing an order, the user is cautioned to verify that the information being relied upon is current.Allegro products are not authorized for use as critical components in life-support appliances, devices, or systems without express written approval.The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsi-bility for its use; nor for any infringements of patents or other rights of third parties that may result from its use.3280, 3281, AND 3283CHOPPER-STABILIZED,PRECISIONHALL-EFFECT LATCHES10PACKAGE DESIGNATOR ‘LH’(SOT23W, fits SC-59A solder-pad layout)NOTES: 1.Tolerances on package height and width represent allowable mold offsets. Dimensions given aremeasured at the widest point (parting line).2.Exact body and lead configuration at vendor’s option within limits shown.3.Height does not include mold gate flash.4.Where no tolerance is specified, dimension is nominal.5.Add "LT" to part number for tape and reel.Dimensions in Inches (for reference only)Dimensions in Millimeters (controlling dimensions)0.0050BSC0.127BSC3280, 3281, AND 3283CHOPPER-STABILIZED,PRECISION HALL-EFFECT LATCHES115 Northeast Cutoff, Box 15036Worcester, Massachusetts 01615-0036 (508) 853-500011PACKAGE DESIGNATOR ‘LT’(SOT89/TO-243AA)NOTES: 1.Exact body and lead configuration at vendor’s option within limits shown.2.Supplied in bulk pack (500 pieces per bag) or add "TR" to part number for tape and reel.3.Only low-temperature (≤240°C) reflow-soldering techniques are recommended for SOT89 devices.NOTES: 1. Tolerances on package height and width representallowable mold offsets. Dimensions given aremeasured at the widest point (parting line).2. Exact body and lead configuration at vendor’s optionwithin limits shown.3. Height does not include mold gate flash.4. Recommended minimum PWB hole diameter to cleartransition area is 0.035" (0.89 mm).5. Where no tolerance is specified, dimension is nominal.6. Supplied in bulk pack (500 pieces per bag).12。

SECUMAX 320安全刀具说明书

SECUMAX 320NO. 32000110SAFETY KNIFE WITH CONCEALED BLADE, ESPECIALLY FOR CUTTING FILM AND PLASTIC STRAPPING BAND.Safety technologyTECHNICAL DATA SHEETOrder No. 32000110.02COMBI reloaded. The new generation.The SECUMAX COMBI was always in a class of its own as a film cutting expert – until it found its legitimate successor. The new SECUMAX 320 makes an instant impression with its outstanding design. And if you look more closely, you will appreciate its inner values. For example, in comparison to its predecessor, the perfected ergonomics and the completely overhauled blade change. What about the subject of …the highest level of work safety“? It has always been in the COM-BI’s DNA – and so it will remain that way.Safety firstThe concealed blade and rounded nose reliably protects you and your products. Furthermore, the knife head has been significantly strengthened making it more robust and longer lasting.Blade change made easyAnother benefit for handling and safety is the newly de-signed blade change. Simply lift up at the blade change but-ton and remove the cover. You can then directly access the 4-cutting edge blade.Perfect ergonomicsCan you feel the difference? The new handle shape with the finger friendly contours fits like a glove. The preset cutting angle is also kind to the hand and arm helping you to posi-tion the knife for cutting.Optimised blade areaJust two examples: The cutting channel is formed so that your safety knife moves away the freshly cut material even faster. Diagonal cuts are also easier than ever to perform. Your benefits: Less effort required for the task.Two splitting depthsWhen splitting tape, you now have a choice of depth be-tween 5 mm and 3.5 mm – for even more goods protection. Just open the handle, turn around the splitter, finished.Working with the splitter is just as uncomplicated. Pierce the tape and away you go.Concealed blade – a maximum degree of safetyThe SECUMAX 320 blade is not an open one, but is hidden from people andgoods. This provides you with a maximum degree of safety from cut injuries and from damage to goods.USAGEMain cutting materialsPRODUCT FEATURESTechnical featuresbutton.cover. Remove the blade from theside. Turn or change the blade.locating lugs.letting the blade change buttonaudibly snap into place.Maximum safety Safer blade change (withmagnet)Abrasion resistant Very ergonomic 4-times usable blade Cutting depth Tape splitter Soft-gripFor right and left hander Lanyard hole Printable for promotionalpurposesWrapping, stretch, andshrink foilLayers of foil or paper Plastic strapping band Cardboard: 1-ply Tape Bagged goods Textile, material FeltSafety belt Leather Coated film Laminated filmSAFETY CERTIFICATEPRODUCT AND PACKAGING DETAILSSECURITY ADVICETo ensure that you use your new MARTOR knife safely and most effectively, please read and note the following user-in-structions. Please keep the written guide in a safe place so that you can access it at any time.1. General application instructions: Please always use the product carefully for manual cutting work only and not for any purposes other than those that are intended. Please take the correct handling and the proper use of the knives into account in this regard. As an additional safety measure, we recommend the wearing of safe gloves.2. Special application instructions to avoid the danger of in-juries: Only use knives that are in perfect condition and have sharp, clean and undamaged MARTOR blades. Employ the utmost care when handling the knives. Prior to use, famil-iarise yourself with the safety features and their functioning. Ensure that these safety features are not impaired by the type of material to be cut. CAUTION: The blade is sharp and can result in serious and deep cuts. Therefore, never reach into the blade! Do not place your free hand in the line of cut-ting and never cut directly towards you.3. Replacement of spare parts: Replace any blades that be-come dull at the right time! Use only the replacement blades from MARTOR for this purpose. Dispose of old blades in aproper fashion. They should not be placed in a waste paper bin, as this poses a considerable danger of injuries. Never perform any repairs yourself. If the knife shows signs of aging or any other wear, e.g. which impair safety features, blade changing or usage, the knife must be taken out of service and replaced. Do not modify this product in any way. Modifications of any kind may impair product safety. CAU-TION: The risk of injury caused by manipulation of this prod-uct is extremely high.4. Non-use of the knife: Always secure the blade in such a way (depending on product type) that injuries due to cuts are excluded. Store the knife in a secure place.5. Care instructions: To guarantee a long service life, always keep the knife clean and do not expose it to unnecessary soiling and humidity.CAUTION: No liability will be assumed for consequential loss-es. Subject to technical changes and errors! This knife does not belong in the hands of children!SERVICES OFFEREDSafety posterTraining videoTechnical data sheetConsulting serviceACCESSORIES MANUFACTURERBELT HOLSTER M WITH CLIPNO. 9921What do you do with your cutting tools when you are not ac-tually using them? The MARTOR BELT HOLSTER M is a robust holder that allows you to carry all midsize MARTOR cutters as well as our safety scissors at all times. In addition, the inte-rior and exterior pockets are designed to allow you to load different tools: for example you can carry an extra cutter, a pen and a pack of blades. The MARTOR BELT HOLSTER is the ideal place to stow your tools safely when moving from A to B - and have them at hand, as soon as they are ED BLADE CONTAINERNO. 9810You can fill the USED BLADE CONTAINER with the content of your SAFEBOX. Or directly with your used blades. When the box is full, turn the lid until it shuts. Now the box cannot be reopened. The next step is to safely and completely dispose of the filled USED BLADE CONTAINER as normal waste.WALL MOUNT BRACKET USED BLADE CONTAINERNO. 9845Include it in your order now! With this mounting bracket you can fix your USED BLADE CONTAINER to a central location. Use the clamp and screws and nuts supplied with the prod-uct to attach it to either a pipe or a rod.SAFEBOXNO. 108000The SAFEBOX is large enough to store a large number of used blades safely. And at the same time, it is compactenough to carry with you. The two slits are not only used for filling, but also to …shorten“ your snap-off blades. When your SAFEBOX is full, empty it into your USED BLADE CONTAINER.MARTOR KG | Lindgesfeld 28 | 42653 Solingen | GermanyT+4921273870-0|F+4921273870-90|**************|。

MM3280 美之通科技 075589345636

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0.2
0.5
V
3.4
3.7
-
V
消费电流项目
通常动作时消费电流待机时的消费电流
Idd VDD=3.9V, V-=0V
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Is
Vdet2＝Vrel2 ※2 Vdet2≠Vrel2 ※3
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3.0
6.0
uA
-
0.1
uA
-
0.5
uA
保护/解除电压项目
过充电保护电压
过充电解除电压过放电保护电压过放电解除电压放电过电流保护电压
16
1 ○ ○ × × 4.275 4.275 2.300 2.300 0.100 -0.100 0.9 1.000 20
6
1 ○ × ○ × 4.300 4.100 2.300 2.300 0.130
- 0.9 1.000 24
12
1 × × ○ × 4.280 4.100 2.300 2.300 0.050
精度±20mV 精度±25mV （Topr=-5～+60℃）精度±30mV 精度±35mV 精度±100mV 精度±10mV 精度±20mV 精度±100mV 精度±2.0V 精度±2.0V
2) 各保护延时时间的选择范围・过充电保护延时时间・过放电保护延时时间・放电过电流保护延时时间・充电过电流保护延时时间・短路保护延时时间
3.9V～4.5V可选（进阶50mV） 2.0V～3.0V可选,（进阶50mV） 2.0V～3.5V可选,（进阶50mV） +50mV～+300mV可选,（进阶5mV） -50mV～-300mV可选,（进阶5mV） 0.7V, 0.8V, 0.9V可选 VDD-8.0V 固定 VDD-7.3V 固定

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Features
o ESD Protection: ±15kV–Human Body Model ±6kV–IEC 1000-4-2, Contact Discharge ±12kV–IEC 1000-4-2, Air-Gap Discharge
o Guaranteed 52Mbps Data Rate o Guaranteed 15ns Receiver Propagation Delay o Guaranteed 2ns Receiver Skew o Guaranteed 8ns Package-to-Package Skew Time o VL Pin for Connection to FPGAs/ASICs o Allow Up to 128 Transceivers on the Bus
Receiver Output Voltage (RO)....................-0.3V to (VCC + 0.3V) Receiver Output Voltage
(RO) (MAX3284E) .....................................-0.3V to (VL + 0.3V) Receiver Output Short-Circuit Current .......................Continuous
ENABLE —
Active High Active Low
—
DATA RATE 52Mbps 52Mbps 52Mbps
52Mbps (Note 1)
PACKAGE 5-Pin SOT23 6-Pin SOT23 6-Pin SOT23 6-Pin SOT23
________________________________________________________________ Maxim Integrated Products 1
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Supply Voltage (VCC) ...............................................-0.3V to +6V Control Input Voltage (EN, EN).................................-0.3V to +6V
Continuous Power Dissipation (TA = +70°C) 5-Pin SOT23 (derate 7.1mW/°C above +70°C)............571mW 6-Pin SOT23 (derate 8.7mW/°C above +70°C)............696mW
The MAX3280E/MAX3281E/MAX3283E/MAX3284E have true fail-safe circuitry, which guarantees a logichigh receiver output when the receiver inputs are opened or shorted. The receiver output will be a logic high if all transmitters on a terminated bus are disabled (high impedance). These devices feature 1/4-unit-load receiver input impedance, allowing up to 128 receivers on the same bus.
VL Input Voltage .......................................................-0.3V to +6V Receiver Input Voltage (A, B)..............................-7.5V to +12.5V
ELECTRICAL CHARACTERISTICS
(VCC = 3V to 5.5V, VL = VCC, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 5V and TA = +25°C.) (Notes 2, 3)
PARAMETER Supply Voltage Supply Current VL Input Range VL Supply Current RECEIVER Input Current (A and B)
Receiver Differential Threshold Voltage Receiver Input Hysteresis Receiver Enable Input Low Receiver Enable Input High Receiver Enable Input Leakage
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元器件交易网
PINPACKAGE
5 SOT23-5 6 SOT23-6 6 SOT23-6 6 SOT23-6
TOP MARK
ADVM ABAT ABAU ABAV
Selector Guide
PART
VL
MAX3280E
—
MAX3281E
—
MAX3283E
—
MAX3284E
✔
Note 1: MAX3284E data rate is dependent on VL.
General Description
The MAX3280E/MAX3281E/MAX3283E/MAX3284E are single receivers designed for RS-485 and RS-422 communication. These devices guarantee data rates up to 52Mbps, even with a 3V power supply. Excellent propagation delay (15ns max) and package-to-package skew time (8ns max) make these devices ideal for multidrop clock distribution applications.
Operating Temperature Range MAX328_EA__ ..............................................-40°C to +125°C
Storage Temperature Range .............................-65°C to +150°C Junction Temperature ...........................ead Temperature (soldering, 10s) .................................+300°C
(1/4-unit-load) o Tiny SOT23 Package o True Fail-Safe Receiver o -7V to +12V Common-Mode Range o 3V to 5.5V Power-Supply Range o Enable (High and Low) Pins for Redundant
The MAX3280E is a single receiver available in a 5-pin SOT23 package. The MAX3281E/MAX3283E single receivers have a receiver enable (EN or EN) function and are offered in a 6-pin SOT23 package. The MAX3284E features a voltage logic pin that allows compatibility with low-voltage logic levels, as in digital FPGAs/ASICs. On the MAX3284E, the voltage threshold for a logic high is user-defined by setting VL in the range from 1.65V to VCC. The MAX3284E is also offered in a 6-pin SOT23 package.
Applications
Pin Configurations appear at end of data sheet.