MAX266BCPI中文资料
MAX262中文资料
在电子电路中，滤波器是不可或缺的部分，其中有源滤波器更为常用。
一般有源滤波器由运算放大器和RC元件组成，对元器件的参数精度要求比较高，设计和调试也比较麻烦。
美国Maxim公司生产的可编程滤波器芯片MAX262可以通过编程对各种低频信号实现低通、高通、带通、带阻以及全通滤波处理，且滤波的特性参数如中心频率、品质因数等，可通过编程进行设置，电路的外围器件也少。
本文介绍MAX262的情况以及由它构成的程控滤波器电路。
1 MAX262芯片介绍MAX262芯片是Maxim公司推出的双二阶通用开关电容有源滤波器，可通过微处理器精确控制滤波器的传递函数(包括设置中心频率、品质因数和工作方式)。
它采用CMOS工艺制造，在不需外部元件的情况下就可以构成各种带通、低通、高通、陷波和全通滤波器。
图1是它的引脚排列情况。
图1 MAX262引脚V+ ——正电源输入端。
V- ——负电源输入端。
GND ——模拟地。
CLKA ——外接晶体振荡器和滤波器A 部分的时钟输入端，在滤波器内部，时钟频率被2分频。
CLKB ——滤波器B部分的时钟输入端，同样在滤波器内部，时钟频率被2分频。
CLKOUT ——晶体振荡器和R-C振荡的时钟输出端。
OSCOUT ——与晶体振荡器或R-C振荡器相连，用于自同步。
INA、INB ——滤波器的信号输入端。
BPA、BPB——带通滤波器输出端。
LPA、LPB——低通滤波器输出端。
HPA、HPB——高通、带阻、全通滤波器输出端。
WR ——写入有效输入端。
接V+时，输人数据不起作用；接V-时，数据可通过逻辑接口进入一个可编程的内存之中，以完成滤波器的工作模式、f0及Q的设置。
此外，还可以接收TTL电平信号，并上升沿锁存输人数据。
A0、A1、A2、A3 ——地址输人端，可用来完成对滤波器工作模式、f0和Q的相应设置。
D0、D1 ——数据输入端，可用来对f0和Q的相应位进行设置。
OP OUT —— MAX262的放大器输出端。
MAX2605-MAX2609中文资料
General DescriptionThe MAX2605–MAX2609 evaluation kits (EV kits) simplify evaluation of this family of voltage-controlled oscillators (VCOs). These kits enable testing of the devices’ per-formance and require no additional support circuitry.Both signal outputs use SMA connectors to facilitate connection to RF test equipment.These EV kits are fully assembled and tested. Their oscil-lation frequencies are set to approximately the midrange of the respective VCOs.Featureso Easy Evaluationo Complete, Tunable VCO Test Board with Tank Circuit o Low Phase Noiseo Fully Assembled and TestedEvaluate: MAX2605–MAX2609MAX2605–MAX2609 Evaluation Kits19-1673 Rev 0; 9/00Ordering InformationComponent SuppliersFor free samples and the latest literature, visit or phone 1-800-998-8800.For small orders, phone 1-800-835-8769.MAX2606 Component ListMAX2605 Component ListE v a l u a t e : M A X 2605–M A X 2609MAX2605–MAX2609 Evaluation Kits 2_______________________________________________________________________________________Quick StartThe MAX2605–MAX2609 evaluation kits are fully assembled and factory tested. Follow the instructions in the Connections a nd Setup section for proper device evaluation.Test Equipment Required•Low-noise power supplies (these are recommended for oscillator noise measurement). Noise or ripple will frequency-modulate the oscillator and cause spectral spreading. Batteries can be used in place of power supplies, if necessary.– Use a DC power supply capable of supplying +2.7V to +5.5V. Alternatively, use two or three 1.5V batteries.– Use a DC power supply capable of supplying +0.4V to +2.4V, continuously variable, for TUNE.Alternatively, use two 1.5V batteries with a resistive voltage divider or potentiometer.•An RF spectrum analyzer that covers the operating frequency range of the MAX2605–MAX2609• A 50Ωcoaxial cable with SMA connectors •An ammeter (optional)Connections and Setup1)Connect a DC supply (preset to +3V) to the V CC and GND terminals (through an ammeter, if desired) on the EV kit.2)Turn on the DC supply. If used, the ammeter readingMAX2607 Component ListMAX2608 Component ListEvaluate: MAX2605–MAX2609MAX2605–MAX2609 Evaluation Kits_______________________________________________________________________________________3approximates the typical operating current specified in the MAX2605–MAX2609 data sheet.3)Connect the VCO output (OUT+ or OUT-) to a spec-trum analyzer with a 50Ωcoaxial cable.4)Apply a positive variable DC voltage between 0.4V and 2.4V to TUNE.5)Check the tuning bandwidth on the spectrum analyz-er by varying the tuning voltage (+0.4V to +2.4V).Layout ConsiderationsThe EV kit PC board can serve as a guide for laying out a board using the MAX2605–MAX2609. Generally, the VCC pin on the PC board should have a decoupling capacitor placed close to the IC. This minimizes noisecoupling from the supply. Also, place the VCO as far away as possible from the noisy section of a larger sys-tem, such as a switching regulator or digital circuits.The VCO ’s performance is strongly dependent on the availability of the external tuning inductor. For best per-formance, use high-Q components and choose their val-ues carefully. To minimize the effects of parasitic ele-ments, which degrade circuit performance, place the tuning inductor and C BYP close to the VCO. For higher-frequency versions, include the parasitic PC board inductance and capacitance when calculating the oscillation frequency. In addition, remove the ground plane around and under the tuning inductor to minimize the effect of parasitic capacitance.Noise on TUNE translates into FM noise on the outputs;therefore, keep the trace between TUNE and the control circuitry as short as possible. If necessary, use an RC filter to further suppress noise, as done on the EV kits.E v a l u a t e : M A X 2605–M A X 2609MAX2605–MAX2609 Evaluation Kits 4_______________________________________________________________________________________Figure 2. MAX2608/MAX2609 EV Kits SchematicFigure 1. MAX2605/MAX2606/MAX2607 EV Kits SchematicEvaluate: MAX2605–MAX2609MAX2605–MAX2609 Evaluation Kits_______________________________________________________________________________________5Figure 3. MAX2605/MAX2606/MAX2607 EV Kits ComponentPlacement Guide—Top Silk ScreenFigure 4. MAX2608/MAX2609 EV Kits Component PlacementGuide—Top Silk ScreenFigure 5. MAX2605/MAX2606/MAX2607 EV Kits PC BoardLayout—Component SideFigure 6. MAX2608/MAX2609 EV Kits PC Board Layout—Component SideMa 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.6_____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600©2000 Maxim Integrated ProductsPrinted USAis a registered trademark of Maxim Integrated Products.E v a l u a t e : M A X 2605–M A X 2609MAX2605–MAX2609 Evaluation Kits Figure 7. MAX2605/MAX2606/MAX2607/MAX2608/MAX2609EV Kits PC Board Layout—Ground Plane。
MAXNANOPWRBD# 评估板简介说明书
MAXNANOPWRBD#Evaluates: MAX32660, MAX11615,MAX40007, MAX9119, MAX9634, MAX17222MAXNANOPWRBD# Evaluation KitGeneral DescriptionThe MAXNANOPWRBD evaluation kit brings together Maxim’s Nanopower technology with the ultra-low power, low pin count, MAX32660 Arm® Cortex®-M4 processor with FPU to create a simple digital multimeter application example running on a single 1.5V alkaline button cell.The kit includes the following items: ●MAXNANOPWRBD# circuit board●MAX326325PICO JTAG debugger/programmerBenefits and Features●Ultra-Low Power MAX32660 Arm Cortex M4F ●MAX11615 Low Power 8-Channel 12-Bit ADC ●MAX40007 Nanopower Op-Amp ●MAX9119 Nanopower Comparator ●MAX9634 Current Sense Amplifier ●MAX17222 Boost Convertor●PCB mounted Coin Cell Power SourceOrdering Information appears at end of data sheet.319-100409; Rev 3; 12/19Arm and Cortex are registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere.MAXNANOPWRBD# Evaluation Kit Top ViewClick here for production status of specific part numbers.Evaluates: MAX32660, MAX11615,MAX40007, MAX9119, MAX9634, MAX17222MAXNANOPWRBD# Evaluation KitFigure 1. MAXNANOPWRBD# EV Block DiagramQuick StartThe kit comes preprogrammed with multimeter example firmware. Simply apply power to the board with a 1.5V button cell battery or with an external 1.5V voltage source. SW1 can be used to cycle through the three operational modes: voltage measurement, current measurement, and frequency measurement.Voltage and frequency measurement is relative to the V and COM terminals. Current measurement uses the A and COM terminals.Detailed DescriptionThe MAXNANOPWRBD kit implements a simple bat-tery-powered multimeter to demonstrate several low power Maxim analog and digital technologies. Application functionality is provided by firmware that runs on the MAX32660 Arm Cortex-M4 processor with FPU. The analog front-end is implemented with nanopower com-parators and operational amplifiers that present measure-ment signals to the MAX11615 12-bit ADC. The ADC is connected to the MCU through an I 2C bus.The 128x128 pixel LCD is connected to the MCU through a SPI bus and two buttons are provided to complete the multimeter user interface.The example firmware provided with the kit enables voltage, current, and frequency measurements through the V, A, and COM terminals. Limit voltage measure-ments to ±10V and current measurements to ±100mA. Kit design does not provide protection and safety circuitry required by commercial multimeter designs. Therefore,the kit should not be connected to high-voltage sources. Exceeding the specified input ranges will damage the PCB and the components.The kit can be powered by a single LR44, or similar, 1.5V button cell. The board can optionally be powered externally by a benchtop supply through J2. Maximum input voltage applied to J2 should be limited to 1.5V. SW4 specifies between external power (EXT) and battery power (BAT).The kit features two connectors for external interfacing. J7 provides a JTAG SWD interface that can be used with the included MAX32635PICO debugger module to program and debug the MAX32660 Arm Cortex M4 processor with FPU. J1 provides access to the I 2C bus to interface with the MCU and the ADC. This interface is compatible with Sparkfun’s QWIIC system.Power conversion is provided by the MAX17222, which converts the 1.5V nominal battery voltage to 3.3V for use by the rest of the board.FirmwareA source code package for the kit can be obtained from Maxim website. Simply use the search tool on Maxim’s website and search for “MAXNANOPWRBD”. The pack-age is found on the Design Resources tab.Information about the source code and how to build, program, and debug it can be found in the source code package.#Denotes RoHS compliance.PARTTYPE MAXNANOPWRBD#Evaluation KitOrdering InformationEvaluates: MAX32660, MAX11615,MAX40007, MAX9119,MAX9634, MAX17222 MAXNANOPWRBD# Evaluation KitREFDES QTY MANUFACTURER PART NUMBER DESCRIPTIONBT11KEYSTONE2996BATTERY HOLDER; SMT; 11.6MM BUTTON CELL RETAINER; 0.25MM PHOSPHOR BRONZE;TIN NICKEL PLATEDC1, C32TDK C1608X5R1A106K080AC CAPACITOR; SMT (0603); CERAMIC CHIP; 10µF; 10V; TOL = 10%;TG = -55°C TO +85°C; TC = X5RC2, C10, C123MURATA; TDK;TAIYO YUDEN; TDKGRM155R71E104KE14;C1005X7R1E104K050BB;TMK105B7104KVH;CGJ2B3X7R1E104K050BBCAPACITOR; SMT (0402); CERAMIC CHIP; 0.1µF;25V; TOL = 10%;TG = -55°C TO +125°C; TC = X7RC4–C7, C11, C148KEMET; YAGEOC0402C105K8PAC;CC0402KRX5R6BB105CAPACITOR; SMT (0402); CERAMIC CHIP; 1µF;10V; TOL = 10%; TG = -55°C TO +85°C; TC = X5RJ11JSTMANUFACTURINGSM04B-SRSS-TB(LF)(SN)CONNECTOR; MALE; SMT; DISCONNECTABLECRIMP STYLE; RIGHT ANGLE; 4PINSJ21PHOENIX CONTACT1725656CONNECTOR; FEMALE; THROUGH HOLE; PCB TERMINAL BLOCK; RIGHT ANGLE; 2PINSJ31MOLEX51441-1093CONNECTOR; FEMALE; SMT; 0.5MM FPC CONNECTOR; RIGHT ANGLE; 10PINSJ71SAMTEC FTSH-105-01-L-DV-K CONNECTOR; MALE; SMT; 0.05 (1.27MM) SMT MICRO HEADER; STRAIGHT; 10PINSL11WURTHELECTRONICS INC.74479276222INDUCTOR; SMT (0806); MOLDED CHIP; 2.2µH;30%; 1.40AMH1–MH44KEYSTONE9032ROUND-THRU HOLE SPACER; NO THREAD; M3.5; 5/8IN; NYLONMOD11SHARP LS013B7DH03LCD MODULE;30.3MM X 26.6MM X 0.851MM; SMT;R1, R4, R123VISHAY DALE;YAGEO PHICOMPCRCW040210K0FK;RC0402FR-0710KLRESISTOR; 0402; 10K; 1%; 100PPM; 0.0625W;THICK FILMR2, R32VENKEL LTD.;PANASONICCR0402-16W-3091FT;ERJ-2RKF309RESISTOR; 0402; 3.09KΩ; 1%; 100PPM;0.063W; THICK FILMR71VISHAY;PANASONICCRCW060380K6FK;ERJ-3EKF8062RESISTOR; 0603; 80.6KΩ; 1%; 100PPM;0.10W; METAL FILMR91KOA SPEER SR732BTTDR390F RES; SMT (1206); 0.390; 1%; ±100PPM/°C; 0.33W R101PANASONIC ERJ-3EKF1133RES; SMT (0603); 113K; 1%; ±100PPM/°C; 0.1W MAXNANOPWRBD# EV Bill of MaterialsEvaluates: MAX32660, MAX11615,MAX40007, MAX9119,MAX9634, MAX17222 MAXNANOPWRBD# Evaluation KitREFDES QTY MANUFACTURER PART NUMBER DESCRIPTIONR111PANASONIC ERJ-2RKF1004RESISTOR; 0402; 1MΩ;1%; 100PPM; 0.10W; THICK FILMR131STACKPOLEELECTRONICS INCHMC0402JT33M0RESISTOR; 0402; 33MΩ; 5%; 400PPM; 0.063W;THICK FILMSW1–SW33C&K COMPONENTS KSR231GLFS SWITCH; SPST; SMT; 32V; 0.05A; KSR SERIES; SUBMINIATURE TACT SWITCH; RCOIL = 0.1Ω; RINSULATION = 10GΩ; C&K COMPONENTSSW41ALPS SSSS211900SWITCH; SP3T; THROUGH HOLE; 6V; 0.3AU11MAXIM MAX32660GTP+IC; UCON; ULTRA-LOW POWERARM CORTEX-M4 WITH FPU-BASED MICROCONTROLLER FOR WEARABLE AND IOT SENSORS; TQFN20-EPU31MAXIM MAX11615EWE+IC; ADC; LOW-POWER; 8-CHANNEL; I2C; 12-BIT ADC; WLP16U41MAXIM MAX40007AUT+IC; OPAMP; NANOPOWER OP AMP; GAIN = 1; SOT23-6U61MAXIM MAX9119EXK+IC; COMP; NANOPOWER; BEYOND-THE-RAILS COMPARATORS WITH/WITHOUT REFERENCE; SC70-5U7, U82MAXIM MAX9634TEUK+IC; AMP; PRECISION CURRENT-SENSE AMPLIFIER; SOT23-5U91MAXIM MAX17222ELT+IC; VCON; 0.4V TO 5.5V INPUT; NANOPOWER SYNCHRONOUS; BOOST CONVERTER WITH TRUE SHUTDOWN; UDFN6Y11CITIZEN CM1610H32768DZB CRYSTAL; SMT 1.6MMX1MM; 6PF; 32.7680KHZ; ±20PPMMAXNANOPWRBD# EV Bill of Materials (continued)Evaluates: MAX32660, MAX11615, MAXNANOPWRBD# Evaluation KitMAX40007, MAX9119,MAX9634, MAX17222 MAXNANOPWRBD# EV SchematicEvaluates: MAX32660, MAX11615,MAX40007, MAX9119,MAX9634, MAX17222 MAXNANOPWRBD# Evaluation KitMAXNANOPWRBD# EV PCB Layout—Silk Top MAXNANOPWRBD# EV PCB Layout—Top View MAXNANOPWRBD# EV PCB Layout—Bottom View MAXNANOPWRBD# EV PCB Layout—Silk BottomMAXNANOPWRBD# EV PCB Layout DiagramsMaxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time.Evaluates: MAX32660, MAX11615,MAX40007, MAX9119, MAX9634, MAX17222MAXNANOPWRBD# Evaluation KitREVISION NUMBERREVISION DATE DESCRIPTIONPAGES CHANGED08/19Initial release—110/19Updated part number, Firmware section, MAXNANOPWRBD# EV Bill of Materials , MAXNANOPWRBD# EV Schematic , and MAXNANOPWRBD# EV PCB Layout Diagrams1–7210/19Updated Benefits and Features , Detailed Description , Figure 1, and MAXNANOPWRBD# EV Bill of Materials 1–4312/19Updated Detailed Description section2Revision HistoryFor pricing, delivery, and ordering information, please visit Maxim Integrated’s online storefront at https:///en/storefront/storefront.html.MAXNANOPWRBD#。
MAX306EQI中文资料
_______________General DescriptionThe MAX306/MAX307 precision, monolithic, CMOS analog multiplexers (muxes) offer low on-resistance (less than 100Ω), which is matched to within 5Ωbetween channels and remains flat over the specified analog signal range (7Ωmax). They also offer low leak-age over temperature (I NO(OFF)less than 2.5nA at +85°C) and fast switching speeds (t TRANS less than 250ns). The MAX306 is a single-ended 1-of-16 device,and the MAX307 is a differential 2-of-8 device.The MAX306/MAX307 are fabricated with Maxim’s improved 44V silicon-gate process. Design improve-ments yield extremely low charge injection (less than 10pC) and guarantee electrostatic discharge (ESD)protection greater than 2000V.These muxes operate with a single +4.5V to +30V sup-ply, or bipolar ±4.5V to ±20V supplies, while retaining TTL/CMOS-logic input compatibility and fast switching.CMOS inputs provide reduced input loading. These improved parts are plug-in upgrades for the industry-standard DG406, DG407, DG506A, and DG507A.________________________ApplicationsSample-and-Hold Circuits Test Equipment Heads-Up DisplaysGuidance and Control Systems Military RadiosCommunications Systems Battery-Operated Systems PBX, PABXAudio Signal Routing____________________________Featureso Guaranteed On-Resistance Match Between Channels, <5ΩMaxo Low On-Resistance, <100ΩMaxo Guaranteed Flat On-Resistance over Specified Signal Range, 7ΩMaxo Guaranteed Charge Injection, <10pC o I NO(OFF)Leakage <2.5nA at +85°C o I COM(OFF)Leakage <20nA at +85°C o ESD Protection >2000Vo Plug-In Upgrade for Industry-Standard DG406/DG407/DG506A/DG507Ao Single-Supply Operation (+4.5V to +30V)Bipolar-Supply Operation (±4.5V to ±20V)o Low Power Consumption, <1.25mW o Rail-to-Rail Signal Handling o TTL/CMOS-Logic CompatibleMAX306/MAX307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers________________________________________________________________Maxim Integrated Products 1_____________________Pin Configurations/Functional Diagrams/Truth TablesCall toll free 1-800-998-8800 for free samples or literature.19-0270; Rev 0; 8/94Ordering Information continued at end of data sheet.* Contact factory for dice specifications.M A X 306/M A X 307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers 2_______________________________________________________________________________________ABSOLUTE MAXIMUM RATINGSELECTRICAL CHARACTERISTICS—Dual Supplies(V+ = +15V, V- = -15V, GND = 0V, V AH = +2.4V, V AL = +0.8V, T A = T MIN to T MAX , unless otherwise noted.)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.Voltage Referenced to V-V+............................................................................-0.3V, 44V GND.........................................................................-0.3V, 25V Digital Inputs, NO, COM (Note 1)...........(V- - 2V) to (V+ + 2V) or30mA (whichever occurs first)Continuous Current (any terminal)......................................30mA Peak Current, NO or COM(pulsed at 1ms, 10% duty cycle max)..........................100mA Continuous Power Dissipation (T A = +70°C)Plastic DIP (derate 9.09mW/°C above +70°C)............727mW Wide SO (derate 12.50mW/°C above +70°C)............1000mW PLCC (derate 10.53mW/°C above +70°C)..................842mW CERDIP (derate 16.67mW/°C above +70°C).............1333mW Operating Temperature RangesMAX30_C_ _.......................................................0°C to +70°C MAX30_E_ _.....................................................-40°C to +85°C MAX30_MJI....................................................-55°C to +125°C Storage Temperature Range.............................-65°C to +150°C Lead Temperature (soldering, 10sec).............................+300°CNote 1:Signals on NO, COM, A0, A1, A2, A3, or EN exceeding V+ or V- are clamped by internal diodes. Limit forward current to maximum current ratings.MAX306/MAX307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers_______________________________________________________________________________________3ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)(V+ = +15V, V- = -15V, GND = 0V, V= +2.4V, V = +0.8V, T = T to T , unless otherwise noted.)M A X 306/M A X 307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers 4_______________________________________________________________________________________ELECTRICAL CHARACTERISTICS—Single Supply(V+ = +12V, V- = 0V, GND = 0V, V AH = +2.4V, V AL = +0.8V, T A = T MIN to T MAX , unless otherwise noted.)Note 2:The algebraic convention where the most negative value is a minimum and the most positive value a maximum is used inthis data sheet.Note 3:Guaranteed by design.Note 4:∆R ON = R ON(MAX)- R ON(MIN).On-resistance match between channels and flatness are guaranteed only with specifiedvoltages. Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured at the extremes of the specified analog signal range.Note 5:Leakage parameters are 100% tested at the maximum rated hot temperature and guaranteed by correlation at +25°C.Note 6:Off isolation = 20log V COM /V NO , where V COM = output and V NO = input to off switch.MAX306/MAX307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers_______________________________________________________________________________________5120140160ON-RESISTANCE vs. V COM(DUAL SUPPLIES)1000204060-2020-1515-1010-5580V COM (V)R O N (Ω)120ON-RESISTANCE vs. V COM AND TEMPERATURE (DUAL SUPPLIES)1000204060-1515-1010-55080V COM (V)R O N (Ω)280320360400ON-RESISTANCE vs. V COM (SINGLE SUPPLY)24040801201601520105200V COM (V)R O N (Ω)120140160ON-RESISTANCE vs. V COM AND TEMPERATURE (SINGLE SUPPLY)10002040601510580V COM (V)R O N (Ω)30CHARGE INJECTION vs. V COM20-30-20-100-1515-1010-55010V COM (V)Q j (p C )100.0001-55125OFF LEAKAGE vs. TEMPERATURE1TEMPERATURE (°C)O F F L E A K A G E (n A )250.010.001-35-15650.1100100045851055100.0001-55125ON LEAKAGE vs. TEMPERATURE1TEMPERATURE (°C)O N L E A K A G E (n A )250.010.001-35-15650.11001000458510551000.001-55125SUPPLY CURRENT vs. TEMPERATURE10TEMPERATURE (°C)I +, I - (µA )250.10.01-35-1565145851055__________________________________________Typical Operating Characteristics(T A = +25°C, unless otherwise noted.)__________Applications InformationOperation with Supply VoltagesOther than ±15VUsing supply voltages other than ±15V will reduce the analog signal range. The MAX306/MAX307 switches operate with ±4.5V to ±20V bipolar supplies or with a +4.5V to +30V single supply; connect V- to GND when operating with a single supply. Also, both device types can operate with unbalanced supplies such as +24V and -5V. The Typical Operating Characteristics graphs show typical on-resistance with 20V, 15V, 10V, and 5V supplies. (Switching times increase by a factor of two or more for operation at 5V.)Overvoltage ProtectionProper power-supply sequencing is recommended for all CMOS devices. Do not exceed the absolute maxi-mum ratings because stresses beyond the listed rat-ings may cause permanent damage to the devices.Always sequence V+ on first, then V-, followed by either the logic inputs, NO, or COM. If power-supply sequencing is not possible, add two small signal diodes in series with supply pins for overvoltage pro-tection (Figure 1). Adding diodes reduces the analogsignal range to 1V above V+ and 1V below V-, but low switch resistance and low leakage characteristics are unaffected. Device operation is unchanged, and the difference between V+ and V- should not exceed +44V.M A X 306/M A X 307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers 6_______________________________________________________________________________________Output–bidirectionalCOM28Address Inputs A3–A014–17Enable InputsEN 18Analog Inputs–bidirectional NO1–NO819–26Negative Supply Voltage Input V-27Ground GND 12Analog Inputs–bidirectional NO16–NO94–11MAX306PINNo Internal Connections N.C.2, 3, 13Positive Supply Voltage Input V+1FUNCTIONNAME_____________________________________________________________Pin DescriptionsDiodesMAX306/MAX307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers_______________________________________________________________________________________7______________________________________________Test Circuits/Timing DiagramsM A X 306/M A X 307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers 8________________________________________________________________________________________________________________________Test Circuits/Timing Diagrams (continued)Figure 5. Charge InjectionMAX306/MAX307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers_______________________________________________________________________________________9_________________________________Test Circuits/Timing Diagrams (continued)Figure 8. NO/COM CapacitanceM A X 306/M A X 307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers 10______________________________________________________________________________________________Pin Configurations/Functional Diagrams/Truth Tables (continued)A2A1A0EN ON Switch X 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1X 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1X 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1None 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16MAX306LOGIC “0” V AL ≤ 0.8V, LOGIC “1” = V AH ≥ 2.4VA3X 0 0 0 0 0 0 0 0 1 1 1 1 1 1 11A2A1A0EN ON Switch X 0 0 0 0 1 1 1 1X 0 0 1 1 0 0 1 1X 0 1 0 1 0 1 0 10 1 1 1 1 1 1 1 1None 1 2 3 4 5 6 7 8MAX307LOGIC “0” V AL ≤ 0.8V, LOGIC “1” = V AH ≥ 2.4VMAX306/MAX307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers______________________________________________________________________________________11________Pin Configurations/Functional Diagrams/Truth Tables (continued)_Ordering Information (continued)* Contact factory for dice specifications.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.12__________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600©1994 Maxim Integrated ProductsPrinted USAis a registered trademark of Maxim Integrated Products.M A X 306/M A X 307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers __________________________________________________________Chip TopographiesGNDNO1 NO2 NO3 N04 NO5 NO6 NO7 NO80.184" (4.67mm)0.078" (1.98mm)NO9NO10NO11NO12N013NO14NO15NO16N.C.V-COM V+GND NO1A NO2A NO3A N04A NO5A NO6A NO7A NO8A0.184" (4.67mm)0.078" (1.98mm)NO1B NO2B NO3B NO4B N05B NO6B NO7B NO8B COMBV-COMA V+TRANSISTOR COUNT: 269SUBSTRATE IS INTERNALLY CONNECTED TO V+TRANSISTOR COUNT: 269SUBSTRATE IS INTERNALLY CONNECTED TO V+MAX306MAX307N.C. = NO INTERNAL CONNECTION。
MAX2606中文资料
Pin Configuration/ Functional Diagram
TOP VIEW
GND 2
MAX2605 MAX2606 MAX2607 MAX2608 MAX2609
6
OUT+
5
VCC
TUNE 3
4
OUT-
SOT23-6
________________________________________________________________ Maxim Integrated Products
MAX2605–MAX2609
Ordering Information
PART TEMP. RANGE -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C PINPACKAGE 6 SOT23-6 6 SOT23-6 6 SOT23-6 6 SOT23-6 6 SOT23-6 TOP MARK AABB AABC AABD AABE AABF
元器件交易网
19-1673; Rev 0a; 4/02
L MANUA ION KIT T A U L EVA BLE AVAILA
45MHz to 650MHz, Integrated IF VCOs with Differential Output
Features
o Small Size o Integrated Varactor for Tuning o Low Phase Noise o Wide Application Frequency Range o Differential or Single-Ended Outputs o Single +2.7V to +5.5V Supply o Ultra-Small SOT23-6 Package o On-Chip Temperature-Stable Bias o Low-Current Operation
p4m266a-m2v10 电路图
VCC25_CK R182 1 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 R181 1 RN62 1 3 5 7 2 10K-06 2 33-06 CLK_GUI CLK_GUI CPUCLK+ CPUCLKNBHCLKNBHCLK+ 8 6 6 8 8 CLK_REF0 CLK_GUI CLK_OSC C253 1 C153 1 C154 1 2 22P-06 2 10P-06-O 2 10P-06-O 2 10P-06-O 2 10P-06-O 2 10P-06-O 2 2 2 2 2 22P-06 22P-06 22P-06 22P-06 22P-06
W/S3 V V V V V V V V V V V V V V V V V X X X V X
W/O S3 X X X X X X X X X X X X X X X X X V V V X V
C
Page15 GPIO
R292:4.7K-06 R293:4.7K-06
B
24
8705F/FX Page5 R365:4.7K-06 R366:10K-06 Q46:2N3906 R367 X X X 0 ohm
244mm I/O PCB 2116 PCB SIZE 244mm
D
REV : 1.0
M/B return 3/18 70/60/10 300/60/10
L1:Signal 1 L2:PWR L3:GND L4:Signal 2
C
14 15 16 17 18 19 20 21 22 23
Page5
R145:4.7K-06 R171:1K-06 Q24:2N7002 Q25:2N7002 Q26:2N7002 Q27:SI2303S Q29:TM3055TL-S Q7:TM3055TL-S R367:10K-06 R366:10K-06 R365:4.7K-06 Q46:2N3906 Q33:20N03 Q30:SI2301S Q32:2N3906 R151:10K-06 R152:10K-06 JW1 JW2 JW3
MAX1968-MAX1969中文资料
19-2447; Rev 0; 4/02
KIT ATION EVALU E L B A AVAIL
Power Drivers for Peltier TEC Modules
General Description Features
o Direct Current Control Prevents TEC Current Surges o On-Chip Power MOSFETs o High-Efficiency Switch-Mode Design o Ripple Cancellation for Low Noise o No Dead-Zone or Hunting at Low-Output Current o Adjustable TEC Voltage Limit o Separately Adjustable Heating and Cooling Current Limits o ITEC Output Monitors TEC Current o 1% Accurate Voltage Reference o 500kHz/1MHz Switching Frequency o ±3A Output Current (MAX1968) o 6A Output Current (MAX1969) o Thermally Enhanced TSSOP-EP Package
Fiber Optic Laser Modules WDM, DWDM Laser Diode Temperature Control Fiber Optic Network Equipment EDFA Optical Amplifiers Telecom Fiber Interfaces ATE Biotech Lab Equipment
MAX6675中文数据手册
热电偶开路检测
位 D2 一般情况下为 0，在热电偶开路时 跳变为 1。为了使热电偶开路检测器能够 正常运行，T-必须接地，且接地点需尽可 能靠近 GND 引脚。
温升的考虑
在某些应用中器件自身发热会降低 MAX6675 的精度。温度误差的大小取决于 MAX6675 封装的热传导性、安装技术、和 气流的影响。使用一个大的地平面可以提 高 MAX6675 的温度测量精度。
100
ns
100 ns
100 ns
100 ns
Note 1: 所有参数都是在 TA=25℃下 100%测试。温度超过极限 (TA = TMIN to TMAX) 的参 数只从设计和特性上保证，没有产品测试。 Note 2: 从设计上保证，没有产品测试。
（没有特别指出，VCC=+3.3V，TA=+25℃） 输出码误差和环境温度
使用适当的保护套保护热电偶
仅仅在低温、温度波动小的区域使用 补偿导线
保存事件日志和热电偶阻抗的记录
噪声方面的考虑
MAX6675 的精确度易受电源耦合噪声的影 响。电源噪声的影响可以通过放置 1 个 0.1μ F 的陶瓷电容消弱，电容应靠近器 件的电源引脚。
减小拾取噪声的影响
输入放大器（A1）是一个低噪声的放大器， 它被设计为能够放大高精度的传感器输入 信号。确保热电偶和与其想接的导线远离 电子噪声源。
可以用以下措施改善热电偶系统的测量精 度：
使用尽可能粗的导线，这样的导线不 至于从测量区域分流来大量的热
如果要求使用比较细的导线在，则仅 仅在测量区使用这种线，在没有温升 的地方使用补偿导线
MAX110BCWE+;MAX110BCPE+;MAX111BCPE+;MAX111BEWE+;MAX111BEPE+;中文规格书,Datasheet资料
EVAALVUAAILTAIOBNLEKIT
Low-Cost, 2-Channel, ±14-Bit Serial ADCs
MAX110/MAX111
General Description
The MAX110/MAX111 analog-to-digital converters (ADCs) use an internal auto-calibration technique to achieve 14-bit resolution plus overrange, with no external components. Operating supply current is only 550µA (MAX110) and reduces to 4µA in power-down mode, making these ADCs ideal for high-resolution battery-powered or remote-sensing applications. A fast serial interface simplifies signal routing and opto-isolation, saves microcontroller pins, and offers compatibility with SPI™, QSPI™, and MICROWIRE™. The MAX110 operates with ±5V supplies, and converts differential analog signals in the -3V to +3V range. The MAX111 operates with a single +5V supply and converts differential analog signals in the ±1.5V range, or singleended signals in the 0V to +1.5V range.
MAX232中文资料(官方版)
新一代 器件特性 ____________________________
♦ 对于低电压、集成 ESD 保护的应用 MAX3222E/MAX3232E/MAX3237E/MAX3241E/ MAX3246E：+3.0V 至 +5.5V、低功耗、速率高达 1Mbps、利用四个 0.1µF 电容实现真正的 RS-232 收发器 (MAX3246E 提供 UCSPTM 封装 )。 ♦ 对于低成本应用 MAX221E：±15kV ESD 保护、+5V、1µA、 具有 AutoShutdownTM 功能的单芯片 RS-232。
________________________________ 应用
便携式计算机 低功耗调制解调器 接口转换 电池供电 RS-232 系统 多点 RS-232 网络
_____________________________ 定购信息
PART MAX220CPE MAX220CSE MAX220CWE MAX220C/D MAX220EPE MAX220ESE MAX220EWE MAX220EJE MAX220MJE TEMP RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -55°C to +125°C PIN-PACKAGE 16 Plastic DIP 16 Narrow SO 16 Wide SO Dice* 16 Plastic DIP 16 Narrow SO 16 Wide SO 16 CERDIP 16 CERDIP
MAX306中文资料
_______________General DescriptionThe MAX306/MAX307 precision, monolithic, CMOS analog multiplexers (muxes) offer low on-resistance (less than 100Ω), which is matched to within 5Ωbetween channels and remains flat over the specified analog signal range (7Ωmax). They also offer low leak-age over temperature (I NO(OFF)less than 2.5nA at +85°C) and fast switching speeds (t TRANS less than 250ns). The MAX306 is a single-ended 1-of-16 device,and the MAX307 is a differential 2-of-8 device.The MAX306/MAX307 are fabricated with Maxim’s improved 44V silicon-gate process. Design improve-ments yield extremely low charge injection (less than 10pC) and guarantee electrostatic discharge (ESD)protection greater than 2000V.These muxes operate with a single +4.5V to +30V sup-ply, or bipolar ±4.5V to ±20V supplies, while retaining TTL/CMOS-logic input compatibility and fast switching.CMOS inputs provide reduced input loading. These improved parts are plug-in upgrades for the industry-standard DG406, DG407, DG506A, and DG507A.________________________ApplicationsSample-and-Hold Circuits Test Equipment Heads-Up DisplaysGuidance and Control Systems Military RadiosCommunications Systems Battery-Operated Systems PBX, PABXAudio Signal Routing____________________________Featureso Guaranteed On-Resistance Match Between Channels, <5ΩMaxo Low On-Resistance, <100ΩMaxo Guaranteed Flat On-Resistance over Specified Signal Range, 7ΩMaxo Guaranteed Charge Injection, <10pC o I NO(OFF)Leakage <2.5nA at +85°C o I COM(OFF)Leakage <20nA at +85°C o ESD Protection >2000Vo Plug-In Upgrade for Industry-Standard DG406/DG407/DG506A/DG507Ao Single-Supply Operation (+4.5V to +30V)Bipolar-Supply Operation (±4.5V to ±20V)o Low Power Consumption, <1.25mW o Rail-to-Rail Signal Handling o TTL/CMOS-Logic CompatibleMAX306/MAX307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers________________________________________________________________Maxim Integrated Products 1_____________________Pin Configurations/Functional Diagrams/Truth TablesCall toll free 1-800-998-8800 for free samples or literature.19-0270; Rev 0; 8/94Ordering Information continued at end of data sheet.* Contact factory for dice specifications.M A X 306/M A X 307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers 2_______________________________________________________________________________________ABSOLUTE MAXIMUM RATINGSELECTRICAL CHARACTERISTICS—Dual Supplies(V+ = +15V, V- = -15V, GND = 0V, V AH = +2.4V, V AL = +0.8V, T A = T MIN to T MAX , unless otherwise noted.)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.Voltage Referenced to V-V+............................................................................-0.3V, 44V GND.........................................................................-0.3V, 25V Digital Inputs, NO, COM (Note 1)...........(V- - 2V) to (V+ + 2V) or30mA (whichever occurs first)Continuous Current (any terminal)......................................30mA Peak Current, NO or COM(pulsed at 1ms, 10% duty cycle max)..........................100mA Continuous Power Dissipation (T A = +70°C)Plastic DIP (derate 9.09mW/°C above +70°C)............727mW Wide SO (derate 12.50mW/°C above +70°C)............1000mW PLCC (derate 10.53mW/°C above +70°C)..................842mW CERDIP (derate 16.67mW/°C above +70°C).............1333mW Operating Temperature RangesMAX30_C_ _.......................................................0°C to +70°C MAX30_E_ _.....................................................-40°C to +85°C MAX30_MJI....................................................-55°C to +125°C Storage Temperature Range.............................-65°C to +150°C Lead Temperature (soldering, 10sec).............................+300°CNote 1:Signals on NO, COM, A0, A1, A2, A3, or EN exceeding V+ or V- are clamped by internal diodes. Limit forward current to maximum current ratings.MAX306/MAX307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers_______________________________________________________________________________________3ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)(V+ = +15V, V- = -15V, GND = 0V, V= +2.4V, V = +0.8V, T = T to T , unless otherwise noted.)M A X 306/M A X 307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers 4_______________________________________________________________________________________ELECTRICAL CHARACTERISTICS—Single Supply(V+ = +12V, V- = 0V, GND = 0V, V AH = +2.4V, V AL = +0.8V, T A = T MIN to T MAX , unless otherwise noted.)Note 2:The algebraic convention where the most negative value is a minimum and the most positive value a maximum is used inthis data sheet.Note 3:Guaranteed by design.Note 4:∆R ON = R ON(MAX)- R ON(MIN).On-resistance match between channels and flatness are guaranteed only with specifiedvoltages. Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured at the extremes of the specified analog signal range.Note 5:Leakage parameters are 100% tested at the maximum rated hot temperature and guaranteed by correlation at +25°C.Note 6:Off isolation = 20log V COM /V NO , where V COM = output and V NO = input to off switch.MAX306/MAX307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers_______________________________________________________________________________________5120140160ON-RESISTANCE vs. V COM(DUAL SUPPLIES)1000204060-2020-1515-1010-5580V COM (V)R O N (Ω)120ON-RESISTANCE vs. V COM AND TEMPERATURE (DUAL SUPPLIES)1000204060-1515-1010-55080V COM (V)R O N (Ω)280320360400ON-RESISTANCE vs. V COM (SINGLE SUPPLY)24040801201601520105200V COM (V)R O N (Ω)120140160ON-RESISTANCE vs. V COM AND TEMPERATURE (SINGLE SUPPLY)10002040601510580V COM (V)R O N (Ω)30CHARGE INJECTION vs. V COM20-30-20-100-1515-1010-55010V COM (V)Q j (p C )100.0001-55125OFF LEAKAGE vs. TEMPERATURE1TEMPERATURE (°C)O F F L E A K A G E (n A )250.010.001-35-15650.1100100045851055100.0001-55125ON LEAKAGE vs. TEMPERATURE1TEMPERATURE (°C)O N L E A K A G E (n A )250.010.001-35-15650.11001000458510551000.001-55125SUPPLY CURRENT vs. TEMPERATURE10TEMPERATURE (°C)I +, I - (µA )250.10.01-35-1565145851055__________________________________________Typical Operating Characteristics(T A = +25°C, unless otherwise noted.)__________Applications InformationOperation with Supply VoltagesOther than ±15VUsing supply voltages other than ±15V will reduce the analog signal range. The MAX306/MAX307 switches operate with ±4.5V to ±20V bipolar supplies or with a +4.5V to +30V single supply; connect V- to GND when operating with a single supply. Also, both device types can operate with unbalanced supplies such as +24V and -5V. The Typical Operating Characteristics graphs show typical on-resistance with 20V, 15V, 10V, and 5V supplies. (Switching times increase by a factor of two or more for operation at 5V.)Overvoltage ProtectionProper power-supply sequencing is recommended for all CMOS devices. Do not exceed the absolute maxi-mum ratings because stresses beyond the listed rat-ings may cause permanent damage to the devices.Always sequence V+ on first, then V-, followed by either the logic inputs, NO, or COM. If power-supply sequencing is not possible, add two small signal diodes in series with supply pins for overvoltage pro-tection (Figure 1). Adding diodes reduces the analogsignal range to 1V above V+ and 1V below V-, but low switch resistance and low leakage characteristics are unaffected. Device operation is unchanged, and the difference between V+ and V- should not exceed +44V.M A X 306/M A X 307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers 6_______________________________________________________________________________________Output–bidirectionalCOM28Address Inputs A3–A014–17Enable InputsEN 18Analog Inputs–bidirectional NO1–NO819–26Negative Supply Voltage Input V-27Ground GND 12Analog Inputs–bidirectional NO16–NO94–11MAX306PINNo Internal Connections N.C.2, 3, 13Positive Supply Voltage Input V+1FUNCTIONNAME_____________________________________________________________Pin DescriptionsDiodesMAX306/MAX307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers_______________________________________________________________________________________7______________________________________________Test Circuits/Timing DiagramsM A X 306/M A X 307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers 8________________________________________________________________________________________________________________________Test Circuits/Timing Diagrams (continued)Figure 5. Charge InjectionMAX306/MAX307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers_______________________________________________________________________________________9_________________________________Test Circuits/Timing Diagrams (continued)Figure 8. NO/COM CapacitanceM A X 306/M A X 307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers 10______________________________________________________________________________________________Pin Configurations/Functional Diagrams/Truth Tables (continued)A2A1A0EN ON Switch X 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1X 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1X 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1None 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16MAX306LOGIC “0” V AL ≤ 0.8V, LOGIC “1” = V AH ≥ 2.4VA3X 0 0 0 0 0 0 0 0 1 1 1 1 1 1 11A2A1A0EN ON Switch X 0 0 0 0 1 1 1 1X 0 0 1 1 0 0 1 1X 0 1 0 1 0 1 0 10 1 1 1 1 1 1 1 1None 1 2 3 4 5 6 7 8MAX307LOGIC “0” V AL ≤ 0.8V, LOGIC “1” = V AH ≥ 2.4VMAX306/MAX307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers______________________________________________________________________________________11________Pin Configurations/Functional Diagrams/Truth Tables (continued)_Ordering Information (continued)* Contact factory for dice specifications.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.12__________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600©1994 Maxim Integrated ProductsPrinted USAis a registered trademark of Maxim Integrated Products.M A X 306/M A X 307Precision, 16-Channel/Dual 8-Channel,High-Performance, CMOS Analog Multiplexers __________________________________________________________Chip TopographiesGNDNO1 NO2 NO3 N04 NO5 NO6 NO7 NO80.184" (4.67mm)0.078" (1.98mm)NO9NO10NO11NO12N013NO14NO15NO16N.C.V-COM V+GND NO1A NO2A NO3A N04A NO5A NO6A NO7A NO8A0.184" (4.67mm)0.078" (1.98mm)NO1B NO2B NO3B NO4B N05B NO6B NO7B NO8B COMBV-COMA V+TRANSISTOR COUNT: 269SUBSTRATE IS INTERNALLY CONNECTED TO V+TRANSISTOR COUNT: 269SUBSTRATE IS INTERNALLY CONNECTED TO V+MAX306MAX307N.C. = NO INTERNAL CONNECTION。
max262
MAX262 原理说明2011-04-30 13:56:48| 分类：默认分类| 标签：|字号大中小订阅2 多频段切比雪夫型带通滤波器2．1 MAX262简介MAX262作为MAXIM公司推出的双二阶通用开关电容有源滤波器，其中心频率范围为1．0 Hz ～140 kHz，输入时钟最大为4 MHz，可以通过微处理器精确控制滤波器的传递函数，利用对中心频率和品质因数的编程设置，实现64级中心频率、128级品质因数的智能控制，并且可以通过附带的滤波器设计软件，任意改善滤波特性。
其工作原理图如图2所示。
与此同时，硬件电路采用CMOS工艺制造完成，无需外部元件即可构成各种带通、低通、高通、陷波及全通滤波器。
MAX262内部有2个二阶滤波器A和B，它们可以单独使用，也可级联成四阶滤波器使用。
每个滤波器组件都有其各自的输入时钟fCLK、独立的中心频率fO和品质因数Q。
实际滤波器的中心频率fO 由滤波器的输入时钟频率fCLK、6位中心频率控制字(F0～F5)和工作方式(M0，M1)三者共同确定。
每个组件的品质因数Q是由7位控制字(Q0～Q6)独立设置的。
外部时钟分别从引脚CLKA、CLKB引入，对外部时钟无占空比要求。
但需要注意的是，在MAX262滤波器的内部，其采样速率是输入(CLKA或CLKB)的一半。
2．2 在8通道声发射监测仪中的应用2．2．1 硬件设计在声发射监测仪的信号采集模块中，通过单片机C8051F020改变MAX262的控制字和工作方式来实现不同截止频率之间的切换。
滤波模块的硬件电路如图3所示。
MAX262内部的两个二阶滤波器是完全独立的，利用MAX262内部的滤波器A实现低通滤波，滤波器B实现高通滤波，再将两个滤波器级联起来，以实现满足系统设计要求的四阶切比雪夫型带通滤波器。
由于低通三档和高通三档所要求的截止频率都是低频且间隔宽，所以针对不同的截止频率和工作模式，在不超过MAX262的比率的范围情况下，必须提供多种不同的时钟频率。
MAX197BCNI中文资料
HBEN 5 SHDN 6 D7 7 D6 8 D5 9 D4 10 D3/D11 11 D2/D10 12 D1/D9 13 D0/D8 14
MAX197
24 INT 23 CH7 22 CH6 21 CH5 20 CH4 19 CH3 18 CH2 17 CH1 16 CH0 15 AGND
Functional Diagram appears at end of data sheet.
The MAX197 multi-range, 12-bit data-acquisition system (DAS) requires only a single +5V supply for operation, yet accepts signals at its analog inputs that may span both above the power-supply rail and below ground. This system provides 8 analog input channels that are independently software programmable for a variety of ranges: ±10V, ±5V, 0V to +10V, or 0V to +5V. This increases effective dynamic range to 14 bits, and provides the user flexibility to interface 4mA-to-20mA, ±12V, and ±15V powered sensors to a single +5V system. In addition, the converter is overvoltage tolerant to ±16.5V; a fault condition on any channel does not affect the conversion result of the selected channel. Other features include a 5MHz bandwidth track/hold, a 100ksps throughput rate, software-selectable internal or external clock and acquisition, 8+4 parallel interface, and an internal 4.096V or an external reference. A hardware SHDN pin and two programmable powerdown modes (STBYPD, FULLPD) are provided for lowcurrent shutdown between conversions. In STBYPD mode, the reference buffer remains active, eliminating start-up delays. The MAX197 employs a standard microprocessor (µP) interface. A three-state data I/O port is configured to operate with 8-bit data buses, and data-access and bus-release timing specifications are compatible with most popular µPs. All logic inputs and outputs are TTL/CMOS compatible. The MAX197 is available in 28-pin DIP, wide SO, SSOP, and ceramic SB packages. For a different combination of ranges (±4V, ±2V, 0V to 4V, 0V to 2V), refer to the MAX199 data sheet. For 12-bit bus interface, refer to the MAX196 and MAX198 data sheets.
LM2660MX中文资料
LM2660/LM2661Switched Capacitor Voltage ConverterGeneral DescriptionThe LM2660/LM2661CMOS charge-pump voltage con-verter inverts a positive voltage in the range of 1.5V to 5.5V to the corresponding negative voltage.The LM2660/LM2661uses two low cost capacitors to provide 100mA of output current without the cost,size,and EMI related to inductor based converters.With an operating current of only 120µA and operating efficiency greater than 90%at most loads,the LM2660/LM2661provides ideal performance for battery powered systems.The LM2660/LM2661may also be used as a positive voltage doubler.The oscillator frequency can be lowered by adding an exter-nal capacitor to the OSC pin.Also,the OSC pin may be used to drive the LM2660/LM2661with an external clock.For LM2660,a frequency control (FC)pin selects the oscillator frequency of 10kHz or 80kHz.For LM2661,an external shutdown (SD)pin replaces the FC pin.The SD pin can be used to disable the device and reduce the quiescent current to 0.5µA.The oscillator frequency for the LM2661is 80kHz.Featuresn Inverts or doubles input supply voltage n Narrow SO-8and Mini SO-8Package n 6.5Ωtypical output resistancen 88%typical conversion efficiency at 100mAn (LM2660)selectable oscillator frequency:10kHz/80kHz n(LM2661)low current shutdown modeApplicationsn Laptop computers n Cellular phones n Medical instrumentsn Operational amplifier power supplies n Interface power supplies nHandheld instrumentsBasic Application CircuitsVoltage InverterPositive Voltage Doubler0129110301291104Splitting V IN in Half01291126September 1999LM2660/LM2661Switched Capacitor Voltage Converter©2004National Semiconductor Corporation Absolute Maximum Ratings (Note 1)If Military/Aerospace specified devices are required,please contact the National Semiconductor Sales Office/Distributors for availability and specifications.Supply Voltage (V+to GND,or GND to OUT)6VLV (OUT −0.3V)to (GND +3V)FC,OSCThe least negative of (OUT −0.3V)or (V+−6V)to (V++0.3V)V+and OUT Continuous Output Current 120mA Output Short-Circuit Duration to GND (Note 2)1sec.PackageMMM Power Dissipation (T A =25˚C)(Note 3)735mW 500mW T J Max (Note 3)150˚C 150˚C θJA (Note 3)170˚C/W250˚C/WOperating Junction Temperature Range−40˚C to +85˚C Storage Temperature Range−65˚C to +150˚CLead Temperature 300˚C (Soldering,10seconds)ESD Rating2kVElectrical CharacteristicsLimits in standard typeface are for T J =25˚C,and limits in boldface type apply over the full operating temperature range.Un-less otherwise specified:V+=5V,FC =Open,C 1=C 2=150µF.(Note 4)Symbol ParameterConditionMin TypMax UnitsV+Supply VoltageR L =1kInverter,LV =Open 3.5 5.5Inverter,LV =GND 1.5 5.5V Doubler,LV =OUT2.55.5I QSupply CurrentNo Load FC =Open (LM2660)0.120.5mA LV =OpenFC =V+(LM2660)or 13SD =Ground (LM2661)I SD Shutdown Supply Current 0.52µA (LM2661)V SD Shutdown Pin Input Voltage Shutdown Mode 2.0(Note 5)V (LM2661)Normal Operation 0.3I L Output CurrentT A ≤+85˚C,OUT ≤−4V 100mA T A >+85˚C,OUT ≤−3.8V 100R OUT Output Resistance (Note 6)I L =100mA T A ≤+85˚C 6.510ΩT A >+85˚C 12f OSC Oscillator Frequency (Note 7)OSC =Open FC =Open 510kHz FC =V+4080f SW Switching Frequency (Note 8)OSC =Open FC =Open 2.55kHz FC =V+2040I OSC OSC Input Current FC =Open ±2µAFC =V+±16P EFFPower EfficiencyR L (1k)between V +and OUT 9698R L (500)between GND and OUT 9296%I L =100mA to GND88V OEFFVoltage Conversion EfficiencyNo Load9999.96%Note 1:Absolute maximum ratings indicate limits beyond which damage to the device may occur.Electrical specifications do not apply when operating the device beyond its rated operating conditions.Note 2:OUT may be shorted to GND for one second without damage.However,shorting OUT to V+may damage the device and should be avoided.Also,for temperatures above 85˚C,OUT must not be shorted to GND or V+,or device may be damaged.Note 3:The maximum allowable power dissipation is calculated by using P DMax =(T JMax −T A )/θJA ,where T JMax is the maximum junction temperature,T A is the ambient temperature,and θJA is the junction-to-ambient thermal resistance of the specified package.Note 4:In the test circuit,capacitors C 1and C 2are 0.2Ωmaximum ESR capacitors.Capacitors with higher ESR will increase output resistance,reduce output voltage and efficiency.Note 5:In doubling mode,when V out >5V,minimum input high for shutdown equals V out −3V.Note 6:Specified output resistance includes internal switch resistance and capacitor ESR.Note 7:For LM2661,the oscillator frequency is 80kHz.Note 8:The output switches operate at one half of the oscillator frequency,f OSC =2f SW .L M 2660/L M 2661 2Test CircuitsTypical Performance Characteristics(Circuit of Figure 1)Supply Current vs Supply Voltage Supply Current vs Oscillator FrequencyOutput Source Resistance vs SupplyVoltage012911070129110801291109Output Source Resistance vs TemperatureEfficiency vs LoadCurrent Output Voltage Drop vs Load Current0129111001291111012911120129110501291106FIGURE 1.LM2660and LM2661Test CircuitsLM2660/LM26613Typical Performance Characteristics (Circuit of Figure 1)(Continued)Efficiency vs Oscillator FrequencyOutput Voltage vs Oscillator FrequencyOscillator Frequencyvs External Capacitance012911130129111401291115Oscillator Frequency vs Supply Voltage(FC =V+)Oscillator Frequency vs Supply Voltage (FC =Open)Oscillator Frequency vs Temperature(FC =V+)012911160129111701291118Oscillator Frequency vs Temperature (FC =Open)Shutdown SupplyCurrent vs Temperature (LM2661Only)0129111901291120L M 2660/L M 2661 4Connection Diagrams8-Lead SO (M)or Mini SO (MM)0129110101291102Top ViewOrder Number LM2660M,LM2661M,LM2660MM or LM2661MMSee NS Package Number M08A and MUA08AOrdering InformationOrder Number Package Number Package Marking Supplied AsLM2660MM08ADatecode Rail (95units/rail)LM2660MLM2660MXM08ADatecode Tape and Reel (2500units/rail)LM2660MLM2660MM MUA08A S01A (Note 9)Tape and Reel (250units/rail)LM2660MMX MUA08A S01A (Note 9)Tape and Reel (3500units/rail)LM2661MM08ADatecode Rail (95units/rail)LM2661MLM2661MXM08ADatecode Tape and Reel (2500units/rail)LM2661MLM2661MM MUA08A S02A (Note 9)Tape and Reel (250units/rail)LM2661MMXMUA08AS02A (Note 9)Tape and Reel (3500units/rail)Note 9:The first letter “S”identifies the part as a switched capacitor converter.The next two numbers are the device number:“01”for a LM2660device,and “02”for a LM2661device.The fourth letter “A”indicates the grade.Only one grade is rger quantity reels are available upon request.LM2660/LM26615Pin DescriptionPin NameFunctionVoltage InverterVoltage Doubler1FC Frequency control for internal oscillator:Same as inverter.(LM2660)FC =open,f OSC =10kHz (typ);FC =V+,f OSC =80kHz (typ);FC has no effect when OSC pin is driven externally.1SD (LM2661)Shutdown control pin,tie this pin to the ground in normal operation,and to V+for shutdown.Same as inverter.2CAP+Connect this pin to the positive terminal of charge-pump capacitor.Same as inverter.3GND Power supply ground input.Power supply positive voltage input.4CAP−Connect this pin to the negative terminal of charge-pump capacitor.Same as inverter.5OUT Negative voltage output.Power supply ground input.6LVLow-voltage operation input.Tie LV to GND when input voltage is less than 3.5V.Above 3.5V,LV can be connected to GND or left open.When driving OSC with an external clock,LV must be connected to GND.LV must be tied to OUT.7OSCOscillator control input.OSC is connected to aninternal 15pF capacitor.An external capacitor can be connected to slow the oscillator.Also,an external clock can be used to drive OSC.Same as inverter except that OSC cannot be driven by an external clock.8V+Power supply positive voltage input.Positive voltage output.Circuit DescriptionThe LM2660/LM2661contains four large CMOS switches which are switched in a sequence to invert the input supply voltage.Energy transfer and storage are provided by exter-nal capacitors.Figure 2illustrates the voltage conversion scheme.When S 1and S 3are closed,C 1charges to the supply voltage V+.During this time interval switches S 2and S 4are open.In the second time interval,S 1and S 3are open and S 2and S 4are closed,C 1is charging C 2.After a number of cycles,the voltage across C 2will be pumped to V+.Since the anode of C 2is connected to ground,the output at the cathode of C 2equals −(V+)assuming no load on C 2,no loss in the switches,and no ESR in the capacitors.In reality,the charge transfer efficiency depends on the switching fre-quency,the on-resistance of the switches,and the ESR of the capacitors.Application InformationSIMPLE NEGATIVE VOLTAGE CONVERTERThe main application of LM2660/LM2661is to generate a negative supply voltage.The voltage inverter circuit uses only two external capacitors as shown in the Basic Applica-tion Circuits.The range of the input supply voltage is 1.5V to 5.5V.For a supply voltage less than 3.5V,the LV pin must be connected to ground to bypass the internal regulator cir-cuitry.This gives the best performance in low voltage appli-cations.If the supply voltage is greater than 3.5V,LV may be connected to ground or left open.The choice of leaving LV open simplifies the direct substitution of the LM2660/LM2661for the LMC7660Switched Capacitor Voltage Con-verter.The output characteristics of this circuit can be approximated by an ideal voltage source in series with a resistor.The voltage source equals −(V+).The output resistance R out is a function of the ON resistance of the internal MOS switches,the oscillator frequency,and the capacitance and ESR of C 1and C 2.A good approximation is:where R SW is the sum of the ON resistance of the internal MOS switches shown in Figure 2.High value,low ESR capacitors will reduce the output resis-tance.Instead of increasing the capacitance,the oscillator frequency can be increased to reduce the 2/(f osc x C 1)term.Once this term is trivial compared with R SW and ESRs,further increasing in oscillator frequency and capacitance will become ineffective.01291121FIGURE 2.Voltage Inverting PrincipleL M 2660/L M 26616Application Information(Continued)The peak-to-peak output voltage ripple is determined by the oscillator frequency,and the capacitance and ESR of the output capacitor C 2:Again,using a low ESR capacitor will result in lower ripple.POSITIVE VOLTAGE DOUBLERThe LM2660/LM2661can operate as a positive voltage dou-bler (as shown in the Basic Application Circuits).The dou-bling function is achieved by reversing some of the connec-tions to the device.The input voltage is applied to the GND pin with an allowable voltage from 2.5V to 5.5V.The V+pin is used as the output.The LV pin and OUT pin must be connected to ground.The OSC pin can not be driven by an external clock in this operation mode.The unloaded output voltage is twice of the input voltage and is not reduced by the diode D 1’s forward drop.The Schottky diode D 1is only needed for start-up.The internal oscillator circuit uses the V+pin and the LV pin (connected to ground in the voltage doubler circuit)as its power rails.Voltage across V+and LV must be larger than 1.5V to insure the operation of the oscillator.During start-up,D 1is used to charge up the voltage at V+pin to start the oscillator;also,it protects the device from turning-on its own parasitic diode and potentially latching-up.Therefore,the Schottky diode D 1should have enough current carrying capability to charge the output capacitor at start-up,as well as a low forward voltage to prevent the internal parasitic diode from turning-on.A Schottky diode like 1N5817can be used for most applications.If the input voltage ramp is less than 10V/ms,a smaller Schottky diode like MBR0520LT1can be used to reduce the circuit size.SPLIT V+IN HALFAnother interesting application shown in the Basic Applica-tion Circuits is using the LM2660/LM2661as a precision voltage divider.Since the off-voltage across each switch equals V IN /2,the input voltage can be raised to +11V.CHANGING OSCILLATOR FREQUENCYFor the LM2660,the internal oscillator frequency can be selected using the Frequency Control (FC)pin.When FC is open,the oscillator frequency is 10kHz;when FC is con-nected to V+,the frequency increases to 80kHz.A higher oscillator frequency allows smaller capacitors to be used for equivalent output resistance and ripple,but increases the typical supply current from 0.12mA to 1mA.The oscillator frequency can be lowered by adding an exter-nal capacitor between OSC and GND.(See Typical Perfor-mance Characteristics.)Also,in the inverter mode,an exter-nal clock that swings within 100mV of V+and GND can be used to drive OSC.Any CMOS logic gate is suitable for driving OSC.LV must be grounded when driving OSC.The maximum external clock frequency is limited to 150kHz.The switching frequency of the converter (also called the charge pump frequency)is half of the oscillator frequency.Note:OSC cannot be driven by an external clock in the voltage-doublingmode.TABLE 1.LM2660Oscillator Frequency Selection FC OSCOscillator Open Open 10kHz V+Open80kHz Open or V+External CapacitorSee Typical Performance Characteristics N/A External Clock External Clock (inverter mode only)FrequencyTABLE 2.LM2661Oscillator Frequency SelectionOSCOscillatorOpen80kHzExternal Capacitor See Typical Performance CharacteristicsExternal Clock External Clock Frequency(inverter mode only)SHUTDOWN MODEFor the LM2661,a shutdown (SD)pin is available to disable the device and reduce the quiescent current to 0.5µA.Applying a voltage greater than 2V to the SD pin will bring the device into shutdown mode.While in normal operating mode,the SD pin is connected to ground.CAPACITOR SELECTIONAs discussed in the Simple Negative Voltage Converter section,the output resistance and ripple voltage are depen-dent on the capacitance and ESR values of the external capacitors.The output voltage drop is the load current times the output resistance,and the power efficiency isWhere I Q (V+)is the quiescent power loss of the IC device,and I L 2R OUT is the conversion loss associated with the switch on-resistance,the two external capacitors and their ESRs.Since the switching current charging and discharging C 1is approximately twice as the output current,the effect of the ESR of the pumping capacitor C 1is multiplied by four in the output resistance.The output capacitor C 2is charging and discharging at a current approximately equal to the output current,therefore,its ESR only counts once in the output resistance.However,the ESR of C 2directly affects the output voltage ripple.Therefore,low ESR capacitors (Table 3)are recommended for both capacitors to maximize effi-ciency,reduce the output voltage drop and voltage ripple.For convenience,C 1and C 2are usually chosen to be the same.The output resistance varies with the oscillator frequency and the capacitors.In Figure 3,the output resistance vs.oscillator frequency curves are drawn for three different tan-talum capacitors.At very low frequency range,capacitance plays the most important role in determining the output re-sistance.Once the frequency is increased to some point (such as 20kHz for the 150µF capacitors),the output resistance is dominated by the ON resistance of the internal switches and the ESRs of the external capacitors.A lowLM2660/LM26617Application Information(Continued)value,smaller size capacitor usually has a higher ESR com-pared with a bigger size capacitor of the same type.For lower ESR,use ceramic capacitors.TABLE 3.Low ESR Capacitor ManufacturersManufacturer Phone FAX Capacitor TypeNichicon Corp.(708)-843-7500(708)-843-2798PL,PF series,through-hole aluminum electrolytic AVX Corp.(803)-448-9411(803)-448-1943TPS series,surface-mount tantalumSprague (207)-324-4140(207)-324-7223593D,594D,595D series,surface-mount tantalum Sanyo(619)-661-6835(619)-661-1055OS-CON series,through-hole aluminum electrolyticOther ApplicationsPARALLELING DEVICESAny number of LM2660s (or LM2661s)can be paralleled to reduce the output resistance.Each device must have its own pumping capacitor C 1,while only one output capacitor C out is needed as shown in Figure 4.The composite output resis-tance is:01291132FIGURE 3.Output Source Resistance vs Oscillator Frequency01291122FIGURE 4.Lowering Output Resistance by Paralleling DevicesL M 2660/L M 2661 8Other Applications(Continued)CASCADING DEVICESCascading the LM2660s (or LM2661s)is an easy way to produce a greater negative voltage (as shown in Figure 5).If n is the integer representing the number of devices cas-caded,the unloaded output voltage V out is (−nV in ).The effective output resistance is equal to the weighted sum of each individual device:A three-stage cascade circuit shown in Figure 6generates −3V in ,from V in .Cascading is also possible when devices are operating in doubling mode.In Figure 7,two devices are cascaded to generate 3V in .An example of using the circuit in Figure 6or Figure 7is generating +15V or −15V from a +5V input.Note that,the number of n is practically limited since the increasing of n significantly reduces the efficiency and in-creases the output resistance and output voltage ripple.01291123FIGURE 5.Increasing Output Voltage by Cascading Devices01291124FIGURE 6.Generating −3V in from +V inLM2660/LM26619Other Applications(Continued)REGULATING V outIt is possible to regulate the output of the LM2660/LM2661by use of a low dropout regulator (such as LP2951).The whole converter is depicted in Figure 8.This converter can give a regulated output from −1.5V to −5.5V by choosing the proper resistor ratio:where,V ref =1.235VThe error flag on pin 5of the LP2951goes low when the regulated output at pin 4drops by about 5%.The LP2951can be shutdown by taking pin 3high.Also,as shown in Figure 9by operating LM2660/LM2661in voltage doubling mode and adding a linear regulator (such as LP2981)at the output,we can get +5V output from an input as low as +3V.01291125FIGURE 7.Generating +3V in from +V in01291127FIGURE bining LM2660/LM2661with LP2951to Make a Negative Adjustable RegulatorL M 2660/L M 2661 10LM2660/LM2661 Other Applications(Continued)01291128FIGURE9.Generating+5V from+3V Input Voltage11Physical Dimensionsinches (millimeters)unless otherwise noted8-Lead SO (M)Order Number LM2660M or LM2661MNS Package Number M08A8-Lead Mini SO (MM)Order Number LM2660MM or LM2661MMNS Package Number MUA08AL M 2660/L M 2661 12NotesNational does not assume any responsibility for use of any circuitry described,no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.For the most current product information visit us at .LIFE SUPPORT POLICYNATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION.As used herein:1.Life support devices or systems are devices or systemswhich,(a)are intended for surgical implant into the body,or(b)support or sustain life,and whose failure to perform whenproperly used in accordance with instructions for use provided in the labeling,can be reasonably expected to result in a significant injury to the user.2.A critical component is any component of a life supportdevice or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system,or to affect its safety or effectiveness.BANNED SUBSTANCE COMPLIANCENational Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification(CSP-9-111C2)and the Banned Substances and Materials of Interest Specification(CSP-9-111S2)and contain no‘‘Banned Substances’’as defined in CSP-9-111S2.National Semiconductor Americas CustomerSupport CenterEmail:new.feedback@ Tel:1-800-272-9959National SemiconductorEurope Customer Support CenterFax:+49(0)180-5308586Email:europe.support@Deutsch Tel:+49(0)6995086208English Tel:+44(0)8702402171Français Tel:+33(0)141918790National SemiconductorAsia Pacific CustomerSupport CenterEmail:ap.support@National SemiconductorJapan Customer Support CenterFax:81-3-5639-7507Email:jpn.feedback@Tel:81-3-5639-7560 LM2660/LM2661 Switched Capacitor Voltage Converter。
MAX2620中文手册
有效的评估工具具有缓冲输出的10M到1050M完整的无线电频率振荡器综合描述：MAX2620是一个结合了低成本低成本、塑料表面装配,微型µMAX封装、具有两个缓冲输出的低噪声的振荡器。
这个设备集成功能通常与离散的组件实现。
当加在适当的成对的外部变容二极管谐振回路时，振荡器展现出很低相位的噪声。
两个缓冲输出提供驱动混频器或预分频器。
缓冲区提供负载隔离,防止由于负载阻抗变化引起的频率变化。
当工作在3V时，功率消耗仅为27mW，等待状态的时候消耗更是低于0.3uW。
MAX2620工作在+2.7v到+5.25v 单电源环境下。
产品特色：低相噪振荡器：-110dBc/Hz （25kHz的频率补偿）可达到的工作在+2.7v到+5.25v单电源环境低成本的硅双极型设计两个输出缓冲区提供负载隔离不敏感的供应变化功耗低,27mW(VCC = 3.0 v)0.1uA弱电流关断模式应用：模拟移动电话数字移动电话900MHz无线电话900MHz ISM频段应用程序地面无线移动无线通信窄频带的PCS (NPCS)订购信息：典型应用电路：10 MHz到1050 MHz具有缓冲输出的集成射频振荡器绝对的最大限度参数:强调：除了那些列在“绝对最大额定值”可能会造成永久性损坏设备。
这些都是压力评级,和功能操作设备的在这些或任何其他条件的操作部分超过规范并影响。
暴露在绝对最大额定值条件下长时间可能影响设备的可靠性。
直流电气特性：注1:规范生产测试和保证TA = + 25°C和TA = + 85°C。
规范担保设计和描述TA = -40°C。
交流电气特性：注2:保证了设计和描述在10 mhz,650 mhz、900 mhz和1050 mhz。
在这个频率范围内, 负的实际阻抗测量槽的大小大于十分之一活性的大小阻抗在YANK。
这意味着适当的振荡器启动在使用外部谐振器储能电路与Q > 10时。
C3 和C4必须调优操作所需的频率典型的操作电路性能--900MHz带宽和陶瓷晶振情况下除非另有注明典型操作电路,VCC = + 3.0 v,VTUNE = 1.5 v,SHDN = VCC,50Ω负载,L1 =同轴陶瓷谐振器:Trans-Tech SR8800LPQ1357BY、 C6 = 1 pf、TA = + 25°C,除非另有注明典型操作电路,VCC = + 3.0 v,VTUNE = 1.5 v,SHDN = VCC,= 50Ω负载,负载了= 50ΩL1 nh = 5 (C oilcraft A02T)、C6 = 1.5 pf TA = + 25°C典型工作特征没有说明的情况下、对应图一每个测试电路工作环境如下 VCC = +3.0V, SHDN = VCC, ZLOAD = ZSOURCE = 50Ω, PIN = -20dBm/50Ω, fTEST = 900MHz, TA = +25°C,表一：建议的最佳功率输出阻抗典型工作特征（持续工作时）工作环境 VCC = +3.0V, VTUNE = 1.5V, SHDN = VCC, load at OUT = 50Ω, load at OUT = 50Ω, L1 = coaxialceramic resonator: Trans-Tech SR8800LPQ1357BY, C6 = 1pF, TA = +25°C功率效率。
MAXIM6021中文资料
MAX6100EURRev. ARELIABILITY REPORTFORMAX6100EURPLASTIC ENCAPSULATED DEVICESFebruary 14, 2003MAXIM INTEGRATED PRODUCTS120 SAN GABRIEL DR.SUNNYVALE, CA 94086Written byReviewed byJim Pedicord Bryan J. Preeshl Quality Assurance Quality Assurance Reliability Lab Manager Executive DirectorConclusionThe MAX6100 successfully meets the quality and reliability standards required of all Maxim products. In addition, Maxim’s continuous reliability monitoring program ensures that all outgoing product will continue to meet Maxim’s quality and reliability standards.Table of ContentsI. ........Device Description V. ........Quality Assurance InformationII. ........Manufacturing Information VI. .......Reliability EvaluationIII. .......Packaging Information IV. .......Die Information.....AttachmentsI. Device DescriptionA. GeneralThe MAX6100 is a low-cost, low-dropout (LDO), micropower voltage references. This three-terminal reference has an output voltage option of 1.8V. It features a proprietary curvature-correction circuit and laser-trimmed, thin-filmresistors that result in a low temperature coefficient of 75ppm/°C (max) and an initial accuracy of ±0.4% (max). This device is specified over the extended temperature range (-40°C to +85°C).This series-mode voltage reference draws only 90µA of supply current and can source 5mA and sink 2mA of load current. Unlike conventional shunt-mode (two-terminal) references that waste supply current and require an external resistor, this device offers a supply current that is virtually independent of the supply voltage (with only a 4µA/Vvariation with supply voltage) and does not require an external resistor. Additionally, this internally compensated device does not require an external compensation capacitor and is stable with load capacitance. Eliminating the external compensation capacitor saves valuable board area in space-critical applications. Low dropout voltage and supply-independent, ultra-low supply current makes this device ideal for battery-operated, high-performance, low-voltage systems.The MAX6100 is available in a tiny 3-pin SOT23 packages.B. Absolute Maximum RatingsItem Rating(Voltages Referenced to GND)IN -0.3V to +13.5VOUT -0.3V to (VIN + 0.3V)Output Short-Circuit to GND or IN (VIN < 6V) ContinuousOutput Short-Circuit to GND or IN (VIN = 6V) 60sOperating Temperature Range -40°C to +85°CStorage Temperature Range -65°C to +150°CLead Temperature (soldering, 10s) +300°CContinuous Power Dissipation (TA = +70°C)3-Pin SOT23 320mWDerates above +70°C3-Pin SOT23 4.0mW/°CII. Manufacturing InformationA. Description/Function: Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage ReferencesB. Process: B12 (Standard 1.2 micron silicon gate CMOS)C. Number of Device Transistors: 117D. Fabrication Location: California or Oregon, USAE. Assembly Location: Malaysia or ThailandF. Date of Initial Production: March, 2001III. Packaging InformationA. Package Type: 3-Pin SOT23B. Lead Frame: Copper or Alloy 42C. Lead Finish: Solder PlateD. Die Attach: Silver-filled EpoxyE. Bondwire: Gold (1.0 mil dia.)F. Mold Material: Epoxy with silica fillerG. Assembly Diagram: # 05-0901-0179H. Flammability Rating: Class UL94-V0I. Classification of Moisture Sensitivityper JEDEC standard JESD22-112: Level 1IV. Die InformationA. Dimensions: 44 x 31milsB. Passivation: Si3N4/SiO2 (Silicon nitride/ Silicon dioxide)C. Interconnect: Aluminum/Si (Si = 1%)D. Backside Metallization: NoneE. Minimum Metal Width: 1.2 microns (as drawn)F. Minimum Metal Spacing: 1.2 microns (as drawn)G. Bondpad Dimensions: 5 mil. Sq.H. Isolation Dielectric: SiO2I. Die Separation Method: Wafer SawV. Quality Assurance InformationA. Quality Assurance Contacts: Jim Pedicord (Manager, Reliability Operations)Bryan Preeshl (Executive Director)Kenneth Huening (Vice President)B. Outgoing Inspection Level: 0.1% for all electrical parameters guaranteed by the Datasheet.0.1% For all Visual Defects.C. Observed Outgoing Defect Rate: < 50 ppmD. Sampling Plan: Mil-Std-105DVI. Reliability EvaluationA. Accelerated Life TestThe results of the 135°C biased (static) life test are shown in Table 1. Using these results, the Failure Rate (λ) is calculated as follows:λ = 1 = 1.83 (Chi square value for MTTF upper limit)MTTFλ = 6.79 x 10-9λ = 6.79 F.I.T. (60% confidence level @ 25°C)This low failure rate represents data collected from Maxim’s reliability monitor program. In addition to routine production Burn-In, Maxim pulls a sample from every fabrication process three times per week and subjects it to an extended Burn-In prior to shipment to ensure its reliability. The reliability control level for each lot to be shipped as standard product is 59 F.I.T. at a 60% confidence level, which equates to 3 failures in an 80 piece sample. Maxim performs failure analysis on any lot that exceeds this reliability control level. Attached Burn-In Schematic (Spec. # 06-5630) shows the static Burn-In circuit. Maxim also performs quarterly 1000 hour life test monitors. This data is published in the Product Reliability Report (RR-1M).B. Moisture Resistance TestsMaxim pulls pressure pot samples from every assembly process three times per week. Each lot sample must meet an LTPD = 20 or less before shipment as standard product. Additionally, the industry standard 85°C/85%RH testing is done per generic device/package family once a quarter.C. E.S.D. and Latch-Up TestingThe RF24-7die type has been found to have all pins able to withstand a transient pulse of ±1500V, per Mil-Std-883 Method 3015 (reference attached ESD Test Circuit). Latch-Up testing has shown that this device withstands a current of ±250mA.Table 1Reliability Evaluation Test ResultsMAX6100EURTEST ITEM TEST CONDITION FAILURE SAMPLE NUMBER OFIDENTIFICATION PACKAGE SIZE FAILURES Static Life Test (Note 1)Ta = 135°C DC Parameters 160 0Biased & functionalityTime = 192 hrs.Moisture Testing (Note 2)Pressure Pot Ta = 121°C DC Parameters SOT 77 0P = 15 psi. & functionalityRH= 100%Time = 168hrs.85/85 Ta = 85°C DC Parameters 77 0RH = 85% & functionalityBiasedTime = 1000hrs.Mechanical Stress (Note 2)Temperature -65°C/150°C DC Parameters 77 0Cycle 1000 Cycles & functionalityMethod 1010Note 1: Life Test Data may represent plastic DIP qualification lots.Note 2: Generic Package/Process dataAttachment #1TABLE II. Pin combination to be tested. 1/ 2/1/ Table II is restated in narrative form in 3.4 below. 2/ No connects are not to be tested. 3/ Repeat pin combination I for each named Power supply and for ground (e.g., where V PS1 is V DD , V CC , V SS , V BB , GND, +V S, -V S , V REF , etc). 3.4 Pin combinations to be tested. a.Each pin individually connected to terminal A with respect to the device ground pin(s) connected to terminal B. All pins except the one being tested and the ground pin(s) shall be open. b. Each pin individually connected to terminal A with respect to each different set of a combination of all named power supply pins (e.g., V SS1, or V SS2 or V SS3 or V CC1, or V CC2) connected to terminal B. All pins except the one being tested and the power supply pin or set of pins shall be open.c.Each input and each output individually connected to terminal A with respect to a combination of all the other input and output pins connected to terminal B. All pins except the input or output pin being tested and the combination of all the other input and output pins shall be open.Terminal A (Each pin individually connected to terminal A with the other floating) Terminal B (The common combination of all like-named pins connected to terminal B) 1. All pins except V PS1 3/ All V PS1 pins 2. All input and output pinsAll other input-output pinsMil Std 883DMethod 3015.7Notice 8TERMINAL BTERMINAL APROBE(NOTE 6) R = 1.5k Ω C = 100pf。
MAX20056B评估板概述说明书
MAX20056BEVKIT#Evaluates: MAX20056B MAX20056B Evaluation KitGeneral DescriptionThe MAX20056B evaluation kit (EV kit) demonstrates theMAX20056B, an integrated, 6-channel high-brightnessLED driver with very wide PWM dimming ratio and phaseshifting for automotive displays.The EV kit operates from a DC supply voltage from4.5V to 36V and the switching frequency is set at400kHz. Spread-spectrum mode (SSM) is enabledfor EMI improvement. The EV kit demonstrates directdim and phase-shifted pulse-width modulation (PWM)dimming. The EV kit also demonstrates short-LED, open-LED, and overtemperature-fault protection.For operation at switching frequencies other than 400kHz,the external components should be chosen according tothe calculations in the MAX20056B IC data sheet. Note: The MAX20056B EV kit is identical to the MAX20056 EV kit, except for the U1 component. The photos and fig-ures indicate MAX20056, but there are no differencesbetween this version and the standard version.Features●Input Voltage: 4.5V to 36V (Up to 50V Load Dump)●Drives Six Strings of HB LEDs●LED Current: 20mA to 120mA●Demonstrates Both Phase-Shifted and Direct PWMDimming●Demonstrates Undervoltage Lockout and OutputShort Protection●Demonstrates Cycle-by-Cycle Current Limit andThermal-Shutdown Feature●Demonstrates 5V, 30mA LDO Output Capability●Proven PCB and Thermal Design●Fully Assembled and Tested319-100310; Rev 0; 2/19Ordering Information appears at end of data sheet.MAX20056B EV Kit PhotoClick here for production status of specific part numbers.Evaluates: MAX20056B MAX20056B Evaluation KitQuick StartRequired Equipment●MAX20056B EV kit●5V to 36V, 4A DC power supply●Two digital voltmeters (DVMs)●Six series-connected HB LED strings rated to no lessthan 120mA●Current probe to measure the HB LED current ProcedureThe EV kit is fully assembled and tested. Follow the steps below to verify board operation. Caution: Do not turn on the power supply until all connections are completed.1) Verify that a shunt is installed across pins 1-2 onjumper JU15 (device enabled).2) Verify that a shunt is installed across pins 1-2 onjumper JU16 (400kHz switching frequency).3) Verify that a shunt is installed across pins 1-4 onjumper JU13 (80mA LED current per string).4) Verify that a shunt is installed across pins 1-2 onjumper JU14 (phase-shift operation enabled).5) Verify that a shunt is installed across pins 1-2 onjumpers JU1–JU6 (bleed resistors connected, allcurrent sinks enabled).6) Verify that jumpers JU7–JU12 are open (LED stringsnot shorted).7) Connect the power supply to the IN PCB pad andthe power-supply ground to the PGND PCB pad.8) Connect a DVM across the OUT1 and PGND PCBpads.9) Connect each HB LED string as follows:●Channel 1: Connect HB LED string anode to theVOUT PCB pad and cathode to the OUT1 PCB pad●Channel 2: Connect HB LED string anode to theVOUT PCB pad and cathode to the OUT2 PCB pad●Channel 3: Connect HB LED string anode to theVOUT PCB pad and cathode to the OUT3 PCB pad●Channel 4: Connect HB LED string anode to theVOUT PCB pad and cathode to the OUT4 PCB pad●Channel 5: Connect HB LED string anode to theVOUT PCB pad and cathode to the OUT5 PCB pad●Channel 6: Connect HB LED string anode to theVOUT PCB pad and cathode to the OUT6 PCB pad 10) Clip the current probe across the channel 1 HBLED+ wire to measure the HB LED current.11) Turn on the power supply and set to 12V.12) Measure the voltage from each of the OUT_ PCBpads to PGND and verify the lowest voltage isapproximately 1.1V.13) Measure the HB LED current using the current probeand verify all channels.Detailed Description of HardwareThe MAX20056B EV kit demonstrates the MAX20056B HB LED driver with an integrated step-up DC-DC preregulator followed by six linear current sinks for driving up to six strings of LEDs. The preregulator switches at 400kHz and oper-ates as a current-mode-controlled regulator, providing up to 720mA for the linear circuit as well as overvoltage protection. The cycle-by-cycle current limit is set by resistors R26 and R27, while resistors R30 and R31 set the OVP voltage to 29V. The preregulator power section consists of inductor L2, MOSFET N1, power-sense resistors R26 and R27, and switching diode D2. The EV kit circuit operates from a 4.5V DC supply voltage up to the HB LED forward string voltage. The circuit handles load-dump conditions up to 50V.The EV kit circuit demonstrates ultra-low shutdown current when the EN pin of the device is pulled to ground by short-ing the EN PCB pad to ground. Each of the six linear current sinks (OUT1–OUT6) is capable of operating up to 48V, sink-ing up to 120mA per channel. Each of the six channel’s linear current sinks is configurable for 120mA, 100mA, 80mA, or 20mA, or can be disabled independently. Jumpers JU1–JU6 provide the disable feature when the HB LED string is not connected. See the Channel 1–Channel 6 Current-Sink Disabling section. Resistors R4, R7, R8, R12, and jumper JU13 configure the linear current setting for the device’s ISET pin, which sets the HB LED string current. The EV kit features PCB pads to facilitate connecting HB LED strings for evaluation. The VOUT PCB pads provide connections for connecting each HB LED string’s anode to the DC-DC preregulator output. The OUT1–OUT6 PCB pads provide connections for connecting each HB LED string’s cathode to the respective linear channel’s current sink. Additionally, 2-pin headers (JU7–JU12) provide convenient access to the VOUT and respective OUT_ connections when using a twisted-pair wiring connection scheme. On each header, pin 1 provides access to the respective OUT_ connection and pin 2 provides access to the VOUT connection. Capacitors C7, C8, C10, C11, C14, and C15 are included on the designEvaluates: MAX20056B MAX20056B Evaluation Kitto prevent oscillations and provide stability when using long, untwisted HB LED connecting cables during lab evaluation. These capacitors are not required if the connection between the LED driver and the HB LEDs is a low-inductance connection.A DIM PCB pad is provided for using a digital PWM signal to control the brightness of the HB LEDs. The EV kit features both phase-shifted PWM dimming and direct PWM dimming, configurable by jumper JU14. Test points are also provided for easy access to the device’s V CC. Enable (EN)The EV kit features an enable input that can be used to enable/disable the device and place it in shutdown mode. To enable the EV kit whenever power is applied to IN, place the jumper across pins 1-2 on jumper JU15. To enable the EV kit from an external enable signal, place the jumper across pins 2-3 on JU15. In this configuration, apply a logic signal on the EN PCB input pad on the EV kit. A 1MΩ pulldown resistor on the EV kit pulls the EN input to ground in the event that JU15 is left open or the EN signal is high impedance. Refer to the Enable (EN) section in the MAX20056B IC data sheet for additional information. See Table 1 for JU15 jumper settings.HB LED CurrentThe EV kit features jumper JU13 to reconfigure the device’s current sinks on all six channels. Place a shunt on JU13 to configure the current-sink limits according to Table 2. To reconfigure the circuit for another current-sink threshold, replace resistor R12 and use the following equation to calculate a new value for the desired current:LED1500R12I=where I LED is the desired HB LED current in amps and R12 is the new resistor value for obtaining the desired HB LED current. Remove JU13 when configuring for another current-sink threshold. If the HB LED current is reconfigured for a different current, other components on the EV kit may need to be modified. Refer to the MAX20056B IC data sheet to calculate other component values.Channel 1–Channel 6 Current-Sink Disabling The EV kit features jumpers JU1–JU6 to disable each channel’s OUT_ current sink. To disable a channel, install a jumper in the channel’s respective OUT_ jumper across pins 2-3, connecting the OUT_ to ground through a 12kΩ resistor. Remove the shunt or connect the shunt across pins 1-2 of the jumper to use the channel’s OUT_ sink capability. The dimming algorithm inside the IC requires that higher numbered OUT_ current sinks be disabled first. For example, if only four strings are needed, OUT1–OUT4 should be used, with OUT5 and OUT6 disabled. See Table 3 for JU1–JU6 jumper settings. The 100kΩ bleed resistors are installed to prevent the OUT_ leakage current from dimly turning on large LED strings even when the DIM signal is low. Refer to the V OUT to OUT_ Bleed Resistors section in the MAX20056B IC data sheet for more information.Table 2. HB LED Current (JU13)Table 1. Enable (JU15)SHUNTPOSITION EN PIN EV KIT OPERATION1-2Connected to IN Enabled when IN ispowered2-3Connected to ENPCB padEnabled by signal onEN PCB padSHUNTPOSITIONISET RESISTORSETTING (kΩ)HB LED CURRENT-SINK SETTING (mA)Open75201-475 || 25 = 18.75801-375 || 18.7 = 151001-275 || 15 = 12.5120Evaluates: MAX20056BMAX20056B Evaluation Kit HB LED Digital Dimming ControlThe EV kit features a DIM PCB input pad for connecting an external digital PWM signal. Apply a digital PWM signal with a 0.8V logic-low level (or less) and 2.1V logic-high level (or greater). The DIM signal frequency should be at least 100Hz. To adjust the HB LED brightness, vary the signal duty cycle from 0% to 100% and maintain aminimum pulse width of 500ns. Apply the digital PWMsignal to the DIM PCB pad. The DIM input of the IC is pulled up internally with a 5µA (typ) current source. For additional information on the device’s dimming feature, refer to the PWM Dimming section in the MAX20056B IC data sheet.Table 3. Disabling Channel 1–Channel 6 (JU1–JU6)*The series-connected HB LED string must be rated to no less than 120mA.OUT_JUMPERSHUNT POSITIONCHANNEL OPERATIONOUT1JU11-2Channel 1 operational; connect an HB LED string* between VOUT and OUT1. Bleed resistor connected.2-3Channel 1 not used. OUT1 current sink disabled.Open Channel 1 operational; connect an HB LED string* between VOUT and OUT1. Bleed resistor not connected.OUT2JU21-2Channel 2 operational, connect an HB LED string* between VOUT and OUT2. Bleed resistor connected.2-3Channel 2 not used. OUT2 current sink disabled.Open Channel 2 operational; connect an HB LED string* between VOUT and OUT2. Bleed resistor not connected.OUT3JU31-2Channel 3 operational; connect an HB LED string* between VOUT and OUT3. Bleed resistor connected.2-3Channel 3 not used. OUT3 current sink disabled.Open Channel 3 operational; connect an HB LED string* between VOUT and OUT3. Bleed resistor not connected.OUT4JU41-2Channel 4 operational; connect an HB LED string* between VOUT and OUT4. Bleed resistor connected.2-3Channel 4 not used. OUT4 current sink disabled.Open Channel 4 operational; connect an HB LED string* between VOUT and OUT4. Bleed resistor not connected.OUT5JU51-2Channel 5 operational; connect an HB LED string* between VOUT and OUT5. Bleed resistor connected.2-3Channel 5 not used. OUT5 current sink disabled.Open Channel 5 operational; connect an HB LED string* between VOUT and OUT5. Bleed resistor not connected.OUT6JU61-2Channel 6 operational; connect an HB LED string* between VOUT and OUT6. Bleed resistor connected.2-3Channel 6 not used. OUT6 current sink disabled.OpenChannel 6 operational; connect an HB LED string* between VOUT and OUT6. Bleed resistor not connected.Evaluates: MAX20056BMAX20056B Evaluation Kit Phase-Shift OperationThe EV kit demonstrates the phase-shifting feature of the IC. Install a shunt across pins 1-2 on jumper JU14 to enable phase shifting of the LED strings. Install a shunt across pins 2-3 on JU14 to enable direct dimming of the LED strings (see Table 4). When phase shifting is enabled, each current sink’s turn-on is separated by 360º/n, where n is the number of enabled strings. When phase shifting is disabled, the dimming of each string is controlled directly by the DIM input, and all current sinks turn on and off at the same time. The PSEN input should not be left unconnected. Refer to the Phase Shifting section in the MAX20056B IC data sheet for more information.Switching FrequencyThe EV kit is optimized for 400kHz switching operation by default. Install jumper JU16 so the total RT resistance is approximately 20kΩ. If another switching frequency is desired, the relevant external components should be replaced according to the calculations in the MAX20056B IC data sheet. Refer to the Oscillator Frequency section in the MAX20056B IC data sheet for more information.Fault-Indicator Output (FLT )The EV kit features the device’s FLT output. The FLT signal is pulled up to V CC by resistor R1. An open-drain fault-flag output (FLT ) goes low when an open-LED or shorted-LED string is detected, or during thermal shutdown. Refer to the Fault Protections section in the MAX20056B IC data sheet for additional information on the FLT signal.Shorted-LED Detection and ProtectionThe short-LED threshold is programmed through the RSDT input. R10 and R11 form a resistor-divider from V CC to RSDT to SGND. A shorted LED is detected when the following condition is satisfied:V OUT > 4 x V RSDTWhen the short-LED threshold is reached, that current sink is disabled to reduce excess power dissipation and the FLT indicator asserts low.Overvoltage Detection and ProtectionThe device’s OVP resistors (R30 and R31) are configured for a V OUT_OVP of 29V. This sets the maximum converter output (V OUT ) voltage at 29V. During an open-LED string condition, the converter output ramps up to the output overvoltage threshold. Capacitor C16 provides noise filtering to the OVP signal. To reconfigure the circuit for a different OVP voltage, replace resistor R30 with a different value using the following equation:OUT_OVP V R301R311.23V=−×Where R31 is 10kΩ, V OUT_OVP is the overvoltage-protection threshold desired, and R30 is the new resistor value for obtaining the desired overvoltage pro-tection. MOSFET N2 is an optional OVP resistor-divider disconnect switch for ultra-low shutdown current. Refer to the Open-LED Management and Overvoltage Protection section in the MAX20056B IC data sheet for additional information.Table 4. Phase-Shift Enable (JU14)#Denotes RoHS compliant.SHUNT POSITIONPSEN PIN EV KIT OPERATION 1-2Connected toVCC Phase-shift operationenabled 2-3Connected toSGNDDirect dimming operation enabledOrdering InformationPARTTYPE MAX20056BEVKIT#EV kitEvaluates: MAX20056B MAX20056B Evaluation KitMAX20056B EV Kit Bill of MaterialsQTY REF_DES VALUE MFG PART #MANUFACTURER1C10.1UF ECJ-1VB1H104K;GRM188R71H104KA93;CGJ3E2X7R1H104K080AA;C1608X7R1H104K080AA;CL10B104KB8NNN PANASONIC;MURATA;TDK;TDK; SAMSUNG ELECTRO-MECHANICS3C2, C13, C211UF UMK107AB7105KA;CC0603KRX7R9BB105TAIYO YUDEN;YAGEO1C3 2.2UF GRM188R71A225KE15;CL10B225KP8NNN;C1608X7R1A225K080AC MURATA;SAMSUNG;TDK1C447UF EEE-TG1H470UP PANASONIC1C5 2.2UF C0603C225K5RAC KEMET1C60.047UF C0603C473K5RAC;GRM188R71H473KA61;GCM188R71H473KA55;CGA3E2X7R1H473K080AAKEMET;MURATA;MURATA;TDK6C7, C8, C10,C11, C14, C151000PF GRM1885C1H102JA01;C1608C0G1H102J080AA;GCM1885C1H102JA16MURATA;TDK;MURATA1C9100PF C0603H101J5GAC KEMET1C1210PF ECJ-1VC1H100D PANASONIC0C1622PF GRM39C0G220J50V; GRM1885C1H220J; C1608C0G1H220J080AA MURATA;MURATA;TDK4C17, C22-C24 4.7UF C1210C475K5RAC;GRM32ER71H475KA88;GRM32ER71H475KA88;GCM32ER71H475KA55;CGA6P3X7R1H475K250AB KEMET;MURATA;MURATA; MURATA;TDK1C1856UF50HVP56M SUNCON0C19, C20OPEN N/A N/A1D1CMPD914CMPD914CENTRAL SEMICONDUCTOR 1D2NRVBS260T3G NRVBS260T3G ON SEMICONDUCTOR1D318V BZG03C18VISHAY SEMICONDUCTORS19DIM, EN, FLT, IN, OUT1-OUT6,PGND, PGND_PAD1, PGND_PAD2,SGND, SGND_PAD1, VOUT,VOUT_PAD1-VOUT_PAD3MAXIMPAD9020 BUSS WEICO WIRE1FB0RC3216J000CS SAMSUNG ELECTRONICS1JU13JUMPER_3WAY ANY ANY8JU1-JU6, JU14, JU15PEC03SAAN PEC03SAAN SULLINS7JU7-JU12, JU16PEC02SAAN PEC02SAAN SULLINS1L10.60UH XAL4020-601ME COILCRAFT1L210UH MSS1246T-103ML COILCRAFT1N1NVMFS5826NLT1G NVMFS5826NLT1G ON SEMICONDUCTOR1N2NDS351AN NDS351AN FAIRCHILD SEMICONDUCTOR 1PCB PCB MAX20056MAXIM3R1, R2, R910K301-10K-RC XICON1R31M CRCW06031M00JN VISHAY DALE1R1030.1K CRCW06033012FK VISHAY DALE1R1120K CRCW060320K0JN VISHAY DALE1R1275K ERJ-3EKF7502PANASONIC6R13, R14, R20, R21, R28, R29100K CRCW0603100KFK;RC0603FR-07100KL;RC0603FR-13100KL;ERJ-3EKF1003;AC0603FR-07100KL VISHAY DALE;YAGEO;YAGEO; PANASONIC1R1520K MCR03EZPFX2002;ERJ-3EKF2002;CR0603-FX-2002ELF;CRCW060320K0FK ROHM;PANASONIC;BOURNS; VISHAY DALE1R1822.1K CRCW060322K1FK VISHAY DALE1R19280K CRCW0603280KFK VISHAY DALE1R24 5.1CRCW06035R10FN VISHAY DALE1R25 3.74K CRCW06033K74FK VISHAY DALE2R26, R270.082TL2BR082F; 1-1625826-2TE CONNECTIVITY;TE CONNECTIVITY 1R30226K CRCW0805226KFK VISHAY DALE1R3110K CRCW080510K0FK;MCR10EZHF1002;ERJ-6ENF1002;RC0805FR-0710KL CRCW080510K0FK; MCR10EZHF1002; ERJ-0R32, R33OPEN N/A N/A1R340RC0805JR-070RL YAGEO PHYCOMP1R415K CRCW060315K0FK VISHAY DALE6R5, R6, R16, R17, R22, R2312K CRCW060312K0FK VISHAY DALE1R718.7K ERJ-3EKF1872;CRCW060318K7FK PANASONIC;VISHAY1R825K PNM0603E2502BS VISHAY DALE4SU1-SU4STC02SYAN STC02SYAN SULLINS ELECTRONICS CORP. 1U1MAX20056BAUGA/V+MAX20056BAUGA/V+MAXIM1VCC N/A5011KEYSTONEEvaluates: MAX20056B MAX20056B Evaluation KitEvaluates: MAX20056BMAX20056B Evaluation Kit Silk_Top TopInternal2MAX20056B EV Kit PCB layout diagramsEvaluates: MAX20056BMAX20056B Evaluation Kit Internal3BottomMAX20056B EV Kit PCB layout diagrams (continued)Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time.Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.© 2019 Maxim Integrated Products, Inc. │ 10Evaluates: MAX20056B MAX20056B Evaluation Kit Revision HistoryREVISION NUMBERREVISION DATE DESCRIPTION PAGES CHANGED 02/19Initial release —For pricing, delivery, and ordering information, please visit Maxim Integrated’s online storefront at https:///en/storefront/storefront.html.MAX20056BEVKIT#。