BA6138中文资料

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BA6239A中文资料

元器件交易网 Motor driver ICs
பைடு நூலகம்
2-channel reversible motor driver
BA6238A / BA6238AN / BA6239A / BA6239AN
The BA6238A, BA6238AN, BA6239A, and BA6239AN are monolithic ICs incorporating two reversible-motor drivers that are suitable for driving small DC brush motors. The logic input section for controlling each motor can be easily connected with CMOSs and other control logic outputs. The torque during loading can be varied by controlling the voltage supplied to the motor with pin 8 of the output section. With a limited number of external parts, each driver has a function of two reversible-motor drivers. FApplications VCRs and audio tape recorders FFeatures 1) Two reversible-motor driver circuits are built in. (not operable at the same time) 2) Limited number of external parts. 3) Interface with CMOS devices. (protective resistor required when the CMOS output is higher than 5V) FBlock diagram

BA5813FM中文资料

*
Unit V W ˚C ˚C +85 +150
* Derating : 17.6mV/ ˚C for operation above Ta=25 ˚C.
On less than 3% (percentage occupied by copper foil), 70mm ¥70mm, t=1.6mm, glass epoxy mounting.
The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.

BA15218中文资料

operational amplifiers, and outstanding characteristics make these products compatible with the 4558 and 4560 models.
•Block diagram
BA15218 / BA15218F
BA15218N
1.3
SIP8
BA15218 / BA15218F / BA15218N
BA15218F
5.0 ± 0.2
8
5
6.2 ± 0.3 4.4 ± 0.2
0.15 ± 0.1
1.5 ± 0.1 0.11
1
4
1.27
0.4 ± 0.1
0.3Min.
0.15
SOP8
5
元器件交易网
8
6
4
2
0
0
± 10
± 20
POWER SUPPLY VOLTAGE: V± (V)
Fig.2 Quiescent current vs. power supply voltage
140 120 100
80 60 40 20
0 1 10 100 1k 10k 100k 1M 10M FREQUENCY: f (Hz)
CH
Q16
Q17
Q12
R8
Q14
Q15 R9
OUT
•Absolute maximum ratings (Ta = 25°C)
Parameter
Limits
Symbol
Unit
BA15218 BA15218F BA15218N
Power supply voltage Power dissipation

BAS86中文资料

BAS86中⽂资料DATA SHEETProduct speci?cationSupersedes data of 1996Mar 201996Oct 01DISCRETE SEMICONDUCTORSBAS86Schottky barrier diodelfpageM3D121Schottky barrier diode BAS86FEATURESLow forward voltageHigh breakdown voltage Guard ring protected Hermetically-sealed small SMD package. APPLICATIONSUltra high-speed switching Voltage clamping Protection circuits Blocking diodes.DESCRIPTION Planar Schottky barrier diode with anintegrated protection ring againststatic discharges.This surface mounted diode isencapsulated in a hermetically sealedSOD80C glass SMD package withtin-plated metal discs at each end. Itis suitable for “automatic placement”and as such it can withstandimmersion soldering.Fig.1 Simplified outline (SOD80C), pin configuration and symbol.handbook, halfpageMAM190k aCathode indicated by a grey band.LIMITING VALUESIn accordance with the Absolute Maximum Rating System (IEC 134).SYMBOL PARAMETER CONDITIONS MIN.MAX.UNIT V R continuous reverse voltage?50VI F continuous forward current?200mAI F(AV)average forward current see Fig.2?200mAI FRM repetitive peak forward current t p≤1sec.;δ≤0.5?500mAI FSM non-repetitive peak forward current t p=10ms5AT stg storage temperature?65+150°CT j junction temperature?125°CT amb operating ambient temperature?65+125°CSchottky barrier diodeBAS86ELECTRICAL CHARACTERISTICS T amb =25°C unless otherwise speci?ed.Note1.Pulsed test: t p =300µs;δ=0.02.THERMAL CHARACTERISTICS Note1.Refer to SOD80 standard mounting conditions.SYMBOL PARAMETERCONDITIONSMAX.UNIT V Fforward voltagesee Fig.3I F =0.1mA 300mV I F =1mA 380mV I F =10mA 450mV I F =30mA 600mV I F =100mA900mV I R reverse current V R =40V; see Fig.4; note 15µA t rr reverse recovery time when switched from I F =10mA to I R =10mA;R L =100?; measured at I R =1mA; see Fig.64ns C d diode capacitancef =1MHz; V R =1V; see Fig.58pFSYMBOL PARAMETERCONDITIONSVALUE UNIT R th j-a thermal resistance from junction to ambientnote 1320K/WSchottky barrier diodeBAS86GRAPHICAL DATAFig.2 Derating curve.handbook, halfpage 050100250050100150I F(AV)(mA)T ( C)amboMRA540Fig.3Forward current as a function of forward voltage; typical values. handbook, halfpage10I F V F (V)310(mA)21011011.20.80.40MSA892(3)(2)(1)(3)(2)(1)(1)T amb =125°C.(2)T amb =85°C.(3)T amb =25°C. (1)T amb =85°C.(2)T amb =25°C.(3)T amb =?40°C. handbook, halfpage 10510(nA)I R 4103102101011500MGC68610203040V R(3)Fig.4Reverse current as a function of reverse voltage; typical values.f =1MHz.Fig.5Diode capacitance as a function of reverse voltage; typical values.handbook, halfpage05012C d 048(pF)MGC68710203040V R (V)Schottky barrier diode BAS86Fig.6 Reverse recovery definitions.handbook, halfpage 90%10%t fQ dI dttIFI RMRC129 - 1F rSchottky barrier diodeBAS86PACKAGE OUTLINEDEFINITIONS LIFE SUPPORT APPLICATIONSThese products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.Data sheet status Objective speci?cation This data sheet contains target or goal speci?cations for product development.Preliminary speci?cation This data sheet contains preliminary data; supplementary data may be published later.Product speci?cation This data sheet contains ?nal product speci?cations.Limiting valuesLimiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the speci?cation is not implied. Exposure to limiting values for extended periods may affect device reliability.Application informationWhere application information is given, it is advisory and does not form part of the speci?cation.Dimensions in mm. Cathode indicated by a grey band.Fig.7 SOD80C.handbook, full pagewidthMBA390 - 21.601.453.73.30.30.3O。

BA6893AK中文资料

FInput / output circuits
BA6893AK
609
元器件交易网 Optical disc ICs
BA6893AK
610
元器件交易网 Optical disc ICs
BA6893AK
611
元器件交易网 Optical disc ICs
615
元器件交易网 Optical disc ICs
BA6893AK
FElectrical characteristics (unless otherwise noted, Ta = 25_C, BATT = 2.4V, VSYS1 = VSYS2 = 3.2V, VREF = 1.6V, CHGVCC = 0V, and fCLK = 88.2kHz)
A thermal shutdown circuit is provided, and when the chip temperature reaches 150_C (Typ.) the charging current is cut. The chip starts operating again at about 120_C (Typ.). (6) DC / DC converter block (1) Output voltage A 3.2V (Typ.) voltage multiplier circuit can be constructed using external components. This voltage can be varied with the addition of an external resistor. The setting method is as follows. R2 S R4 R1 S R3 ) R1)R3 R2)R4 VSYS1 = 1.20 (V) R2 S R4 R2)R4

BA3836中文资料

Realizes karaoke functionality by enabling you to erase only the vocals from commercially available music software.•ApplicationsMini-components, radio cassette players, car stereos,karaoke sets•Features1)Vocal fader functions (erase vocals from commer-cially available music software) all on one chip.2)Has internal secondary active LPF to enable a high-degree of vocal cancellation (synchronous rejection ratio) while retaining the same feeling.3)Three control pins for switching between 4 modes:through, vocal fader, sound multiplexing, and mute.4)Key controller input and internal switches.5)Internal microphone amplifier.6)Low noise and low distortion.7)Few external components.•Absolute maximum ratings (Ta = 25°C)Parameter Symbol Limits UnitPower supply voltage Power dissipation Operating temperature Storage temperature V CC Max.PdToprTstg181000∗1– 40 ~ + 85– 55 ~ + 125VmW°C°C∗1 Reduced by 10mW for each increase in Ta of 1°C over 25°C when mounted.•Recommended operating conditions (Ta = 25°C)Parameter Symbol UnitMax.Typ.Min.Power supply voltage V CC 5.410—V•Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC= 10V, f IN = 1kHz, V IN = 150mV, R L = 100k Ω)Parameter Symbol Min.Typ.Max.Unit I Q 1.6 2.6 3.3mA V om 2.3 2.8—Vrms G VT 101417dB G VF 101417dB G VM 5811dB CT 5470—dB MU 7480—dB SV 2733—dB THD —0.020.07%V N —1522Vrms R IN 355065k ΩVthH 4.7——V VthL ——0.3V ∆DCB —618mV ∆DCC—618mVQuiescent current Maximum output voltage L / R gainLow frequency gain Microphone gain Crosstalk Mute attenuation Vocal suppression rate Total harmonic distortion Noise level Input impedance Output switching DC differentialControl pin threshold (high)Control pin threshold (low)Conditions———Through modeTHD = 1%, through mode Through modef IN = 50Hz, vocal fader modef IN = 1kHz f IN = 1kHz Vocal fader modeThrough mode, BW: 400Hz to 30kHz Rg = 0, DIN AUDIO LIN, RIN, MICIN, FKPin 15 switching Pin 16 switchingBlock diagramMeasurement circuitFig.1•Circuit operation Mode table (A: pin 14, B: pin 15, C: pin 16)Mute Vocal faderSound multiplexing ThroughSound multiplexing Vocal fader Sound multiplexing L + RA B C 0 0 00 0 10 1 00 1 11 0 01 0 11 1 01 1 1LOUT ROUT TK MUTE VF L L KC KC KC KCMUTE VF L R KC KC KC KCMUTE VF L L R VF L L + RMODE0: 0V1: 5VVF: Vocal fader outputKC: Signal passed through key controller(1) Microphone output is not muted during muting (ABC = 000 or 100).(2) For the gain and relative phase, see block diagram.1) L / R input and output in the through mode are synchronous with a gain of 14dB.2) L / R input and TK output in the key controller mode are synchronous with a gain of 8dB.3) L / R output and FK input in the key controller mode are synchronous with a gain of 6dB.4) MIC input and L / R output are negative phase with a gain of 8dB.Fig.2•Operation notes (1)We guarantee the application circuit design, but rec-ommend that you thoroughly check its characteristics in actual use. If you change any of the external compo-nent values, check both the static and transient charac-teristics of the circuit, and allow sufficient margin in your selections to take into account variations in the compo-nents and ICs.(2)The vocal fader works by canceling out the synchro-nous component of the signal, leaving the low compo-nents in place. Consequently, the vocal fader may not be very effective with certain recordings.(3)In cases where output DC differential can cause noise when switching between modes, use a time con-stant for the timing of control pin switching, or take some other measure.(4)Operating supply voltage may vary according to ambient temperature. Using this IC outside the recom-mended supply voltage range may result in increased crosstalk or mute attenuation.•Application exampleExternal dimensions (Units: mm)。

BA682A中文资料

FOperation notes (1) LED connection Connect the LEDs as indicated in Fig. 2. Note that the connection methods are different for bar and dot displays, and that in the case of bar display, pin 18 is open, while for dot display, pin 18 is connected to GND. When using different color LEDs that have different current values (e.g. green for the lower 10 LEDs and red for the top two) set the value of the current to the larger LED current using the external resistor, and adjust the current value for LEDs that require a smaller current by connecting resistors in parallel them. If you wish to remove LEDs, do so from the lowest level. (except when the 12th LED is not used for display alignment). Be certain to short unused LEDs. (2) LED current adjustment The LED current is set using R1. The relationship between the value of R1 and the typical LED current is given in Fig. 3.

电子器件中文资料

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AD673.pdf/d/559f6cf5bc2aefa3bbaf4bc6d6f9dd17042dcba1f8d40400AD620中文资料.pdf/d/145656a8efc258c014c5330ed03482a33a04ea6524a60500AD594_595.pdf/d/6028f9ccfdf02af289e312c94ef8cfc0d9275efdb6220200AD346中文资料.pdf/d/7bd0a4417a8213a7dc982986fbcdae8ce53d9e53fa4401009013.pdf/d/9057c57766e0d1fded4e6a49804e23949c2177bc6d9501008050.pdf/d/24e3b9655ebf0b2f019abd07baaa995fa98f45bf31a1020078xx.pdf/d/af10e44a0a8b804bdd6336b88e2188cf195375644b1c010074LS164中文资料.pdf/d/201383c7b23d7057d102cfc148946d045797b4a88914030074ls245中文资料.pdf/d/37f26e3d5349c02dc216bdc7a487060d1332e94f7501030074LS138中文资料.pdf/d/52f4c8c7b39181704008ceb6e89ea8095faaab98cbbe030074ls138.PDF/d/7aa7e214ce5dfe4c5dce8d9c78ab396289ca517377b9030074ls74.PDF/d/9e1051ab95e509fe3414830be349e6d7d6f56374297a060074ls04.PDF/d/e8a4bad83b00a61a514f295ef7d36aa064801b744472040074LS14中文资料.pdf/d/8938dbc43cdb1a232112a8f69e0b0f7e50357cb54389030074HC245中文资料.pdf/d/d045498e1b5a8b831fb554e3059f7c9c6a3ed92d1701030024c02中文官方资料手册pdf.pdf/d/5463179db3bbb8a494d38f0ab48c8cbb9cf6aece299c090074ALS245.pdf/d/b4c462102ac87887e8e5059e001f16647c213459b13f01004N25中文资料.pdf/d/c818ecf73638d05fb5489690e28b91c94c0976af7ccb0100USB DISK 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BA6398中文资料

FApplications CD players and CD-ROM drives
FFeatures 1) 28-pin HSOP package allows for miniaturization of applications. 2) Low number of external components. 3) Driver gain is adjustable with a single attached resistor. FAbsolute maximum ratings (Ta = 25_C)
FInput / output circuits
BA6398FP
343
元器件交易网 Optical disc ICs
FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 8V, f = 1kHz, RL = 8Ω)
340
元器件交易网 Optical disc ICs
FBlock diagram
BA6398FP
341
元器件交易网 Optical disc ICs
FPin descriptions
BA6398FP
342
元器件交易网 Optical disc ICs
BA6398FP
(6) The internal input resistor has a positive temperature coefficient of roughly 2000ppm / degree, and so when changing the gain using an attached resistor, gain will also change at a rate of roughly 2000ppm / degree. There is virtually no gain variation due to temperature when using the internal input resistor. (7) Be sure to connect the IC to a 0.1µF bypass capacitor to the power supply, at the base of the IC. (8) The radiating fin is connected to the package’s internal GND, but should also be connected to an external ground. (9) The capacitor between regulator output (pin 6) and GND also serves to prevent oscillation of the IC, so select one with good temperature characteristics.

api613-2021标准中文版

一、介绍API 613-2021标准API 613-2021标准是由美国石油学会（API）制定的机械式离心泵的设计和安装标准。

该标准旨在规定离心泵的设计、制造、安装和维护的基本要求，以确保离心泵在石油和天然气工业中的安全运行和可靠性。

二、背景和意义1. API 613-2021标准的发布背景API 613-2021标准的发布是为了规范离心泵的设计和安装，在石油和天然气工业中应用广泛的离心泵需要一套统一的标准来指导和监管其设计和安装。

2. API 613-2021标准的意义API 613-2021标准的发布意义重大，它可以规范离心泵的设计和制造过程，提高离心泵的可靠性和安全性，减少事故和故障的发生，保障石油和天然气工业的正常生产和运行。

三、API 613-2021标准的内容和要点API 613-2021标准主要包括以下内容和要点：1. 离心泵的设计要求：包括离心泵的结构设计、转速、材料和制造工艺等方面的要求。

2. 离心泵的安装要求：包括离心泵的基础、定位、联轴器以及与电动机的配合等方面的要求。

3. 离心泵的维护要求：包括离心泵的日常维护、故障诊断和排除、备件更换等方面的要求。

四、API 613-2021标准的应用范围API 613-2021标准适用于石油和天然气工业中广泛应用的各类离心泵，包括原油泵、注水泵、环流泵等。

该标准不仅适用于新建离心泵，也适用于现有离心泵的改造和更新。

五、API 613-2021标准的影响和意义1. 对离心泵制造企业的影响API 613-2021标准的发布对离心泵制造企业具有指导意义，可以帮助企业规范设计和制造流程，提高产品质量和竞争力。

2. 对石油和天然气工业的影响API 613-2021标准的推出将有效提升石油和天然气工业的离心泵设备的安全性和可靠性，有助于保障工业生产的正常进行。

六、总结API 613-2021标准的发布对离心泵制造和应用具有积极影响，它规范了离心泵的设计、制造和安装过程，提高了离心泵的可靠性和安全性，有助于保障石油和天然气工业的正常生产和运行。

BA6208-S08-T中文资料

UNISONIC TECHNOLOGIES CO., LTDBA6208LINEAR INTEGRATED CIRCUITREVERSIBLE MOTOR DRIVERDESCRIPTIONThe UTC BA6208 is designed for driving reversible motor use, it contain a logic section to controls forward and reverse rotations as well as forced stop, and an output power section is able to supply an output current of up to 100mA (typical) according to the logic control.The IC allow control of reversible motors in cassette players and other electrical equipment by using TTL-level logic signals.FEATURES* Recommended operating supply voltage range from 4.5V to15.0V.* Built-in motor driving power transistors(typ.100mA). * Brake is applied when stopping the motor (when Ain and Bin are both HIGH level). * Very low standby circuit current(when Ain and Bin are both LOW level.* Built-in diode to absorb surge currents. * Direct control with the TTL logic.*Pb-free plating product number: BA6208L ORDERING INFORMATIONOrdering NumberNormal Lead Free PlatingPackage PackingBA6208-D08-T BA6208L-D08-T DIP-8 Tube BA6208-G09-T BA6208L-G09-T SIP-9 Tube BA6208-S08-R BA6208L-S08-R SOP-8 Tape Reel BA6208-S08-T BA6208L-S08-T SOP-8 TubePIN CONFIGURATIONFor SIP-9 PackageNCB INA INNCGNDVccA OUTNCB OUTFor SOP-8/DIP-8 PackageV CC GND A OUTB INNC GND A IN B OUTABSOLUTE MAXIMUM RATING (Ta=25°C)PARAMETER SYMBOL RATINGS UNITPower Supply Voltage V CC 18 V Maximum Output Current I OUT(MAX )500 mADIP-8 500 mWSIP-9 700 mWPower Dissipation SOP-8 P D 450 mWOperating Temperature T OPR -20 ~ +60 °C Storage Temperature T STG -55 ~ +125 °C Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.Absolute maximum ratings are stress ratings only and functional device operation is not implied.INPUT TRUTH TABLE3pin (Ain) 2pin (Bin) 8pin (Aout) 7pin (Bout)H L H L L H L H H H L L L L OPEN OPENNote: HIGH level input is 2.0V or more. LOW level input is 0.8V or less.ELECTRICAL CHARACTERISTICS (Ta=25°C, V CC =9V, unless otherwise specified)PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITOutput Saturation Voltage V CE I OUT =100mA 1.6VHigh V IH 2.0 VInput Level VoltageLow V IL 0.8VOutput Current I OUT 200 mA Standby Supply Current I ST Ain=Low, Bin= Low 0.4mA Input High Level Current I IH V IH =4.5V 400µA Note: A diode that absorbs at least 500mA is built in to give protection against surge currents with a pulse width of10 ms and a duty ratio of 10% or less.TEST CIRCUITR262720V GNDNote: ( ): pin number of 8 pins package.。

(2021年整理)adc0808中文资料

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11.2。

4 典型的集成ADC芯片为了满足多种需要,目前国内外各半导体器件生产厂家设计并生产出了多种多样的ADC芯片。

仅美国AD公司的ADC产品就有几十个系列、近百种型号之多.从性能上讲，它们有的精度高、速度快,有的则价格低廉.从功能上讲，有的不仅具有A/D转换的基本功能,还包括内部放大器和三态输出锁存器；有的甚至还包括多路开关、采样保持器等，已发展为一个单片的小型数据采集系统。

尽管ADC芯片的品种、型号很多，其内部功能强弱、转换速度快慢、转换精度高低有很大差别，但从用户最关心的外特性看，无论哪种芯片，都必不可少地要包括以下四种基本信号引脚端:模拟信号输入端（单极性或双极性);数字量输出端（并行或串行）；转换启动信号输入端；转换结束信号输出端。

除此之外,各种不同型号的芯片可能还会有一些其他各不相同的控制信号端.选用ADC芯片时,除了必须考虑各种技术要求外，通常还需了解芯片以下两方面的特性.（1）数字输出的方式是否有可控三态输出。

有可控三态输出的ADC 芯片允许输出线与微机系统的数据总线直接相连，并在转换结束后利用读数信号RD选通三态门，将转换结果送上总线。

没有可控三态输出（包括内部根本没有输出三态门和虽有三态门、但外部不可控两种情况)的ADC芯片则不允许数据输出线与系统的数据总线直接相连,而必须通过I/O接口与MPU交换信息。

（2）启动转换的控制方式是脉冲控制式还是电平控制式.对脉冲启动转换的ADC芯片，只要在其启动转换引脚上施加一个宽度符合芯片要求的脉冲信号，就能启动转换并自动完成。

TSB81BA3资料

A3I IEEE 1394b THREEĆPORT CABLE TRANSCEIVER/ARBITER
description
The TSB81BA3 provides the digital and analog transceiver functions needed to implement a three-port node in a cable-based IEEE 1394 network. Each cable port incorporates two differential line transceivers. The transceivers include circuitry to monitor the line conditions as needed for determining connection status, for initialization and arbitration, and for packet reception and transmission. The TSB81BA3 is designed to interface with a link-layer controller (LLC), such as the TSB82AA2, TSB12LV21, TSB12LV26, TSB12LV32, TSB42AA4, TSB42AB4, TSB12LV01B, or TSB12LV01C. It may also be connected cable port to cable port to an integrated 1394 Link + PHY layer such as the TSB43AB2. The TSB81BA3 is powered by dual supplies, a 3.3-V supply for I/O and a core voltage supply. The core voltage supply is supplied to the PLLVDD-1.8 and DVDD-1.8 terminals to the requirements in the recommended operating conditions. The PLLVDD-1.8 terminals must be separated from the DVDD-1.8 terminals, the PLLVDD-1.8 terminals are decoupled with 1 µF and smaller decoupling capacitors, and the DVDD-1.8 terminals separately decoupled with a 1 µF and smaller decoupling capacitors. The separation between DVDD-1.8 and PLLVDD-1.8 may be implemented by separate power supply rails, or by a single power supply rail, where the DVDD-1.8 and PLLVDD-1.8 are separated by a filter network to keep noise from the PLLVDD-1.8 supply. The TSB81BA3 requires an external 98.304-MHz crystal oscillator to generate a reference clock. The external clock drives an internal phase-locked loop (PLL), which generates the required reference signal. This reference signal provides the clock signals that control transmission of the outbound encoded information. A 49.152-MHz clock signal is supplied to the associated LLC for synchronization of the two devices and is used for resynchronization of the received data when operating the PHY-link interface in compliance with the IEEE 1394a−2000 standard. A 98.304-MHz clock signal is supplied to the associated LLC for synchronization of the two devices when operating the PHY-link interface in compliance with the IEEE P1394b standard. The power down (PD) function, when enabled by asserting the PD terminal high, stops operation of the PLL. Data bits to be transmitted through the cable ports are received from the LLC on 2, 4, or 8 parallel paths (depending on the requested transmission speed and PHY-link interface mode of operation). They are latched internally, combined serially, encoded, and transmitted at 98.304, 196.608, 393.216, 491.52, or 983.04 Mbits/s (referred to as S100, S200, S400, S400B, or S800 speed, respectively) as the outbound information stream. The PHY-link interface can follow either the IEEE 1394a−2000 protocol or the IEEE 1394b−2002 protocol. When using a 1394a−2000 LLC such as the TSB12LV26, the BMODE terminal must be deasserted. The PHY-link interface then operates in accordance with the legacy 1394a−2000 standard. When using a 1394b LLC such as the TSB82AA2, the BMODE terminal must be asserted. The PHY-link interface then conforms to the P1394b standard. The cable interface can follow either the IEEE 1394a−2000 protocol or the 1394b protocol on all ports. The mode of operation is determined by the interface capabilities of the ports being connected. When any of the three ports is connected to a 1394a−2000 compliant device, the cable interface on that port operates in the 1394a−2000 data-strobe mode at a compatible S100, S200, or S400 speed. When a bilingual port is connected to a 1394b compliant node, the cable interface on that port operates per the P1394b standard at S400B or S800 speed. The TSB81BA3 automatically determines the correct cable interface connection method for the bilingual ports.

BA3888S资料

元器件交易网 Audio ICs
High-definition sound processor
BA3888S
The BA3888S is a sound processor IC that performs phase and harmonic compensation on audio signals to accurately reproduce the “rise” section of audio signals that determines the characteristics of the sound, and thus reproduce the original recording as naturally as possible. FApplications VCRs, tape recorders and video equipped television FFeatures 1) Corrects distortion in the rising section of audio signals that results from miss-matched speakers and amplifiers, and reproduces the original sound faithfully. 2) To allow application with all types of speakers and sources, the clarity can be adjusted using DC control. FAbsolute maximum ratings (Ta = 25_C)
BA3888S
Noise gate A high-cut filter is provided to continuously vary the amount of attenuation depending on the input level, and reduce the hiss from tape media that is audible at low volume or on blank sections of tape. This means, that at normal levels, the attenuation of the high-cut filter is minimal, and almost no audio information is lost. As the level becomes smaller, the attenuation of the high-cut filter gradually increases to cut hiss in a natural sounding way. Mode switch The DC voltage on the CTL pin can be used to switch the IC between processing mode and bypass mode. When processing mode is selected, the audio signal is enhanced using the compensation circuits described above before being output. When bypass mode is selected, the signal bypasses all of the compensation circuits, and only passes through a buffer amplifier before output.

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827
元器件交易网 Audio ICs
FExplanation of application circuit example The application circuit shown in Fig. 2 is for the BA6138. The audio signal is compressed to its square root and generated to R3 and R4 as a DC output. By introducing the output voltage of R3 and R4 into the input of a linear level meter IC (12 to 16 points, LED or fluorescent drive level meter IC), a high precision level meter can be created. The relation between the input voltage and output voltage of the application example of Fig. 2 is shown in Fig. 3.
If this pin is not used, open-circuit or ground it. A negative voltage of up to *10V can also be applied to this pin. R3, R4 These form the load resistance of the BA6138. By making this resistance extremely low, the recovery time will shorten, however, dispersion will increase. In the application example, the resistance can go to about 3.3kΩ. If the recovery time has been fixed, R1 = R2 can be decreased and C3 = C4 can be increased to lower the load resistance.
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_C)
825
元器件交易网 Audio ICs
FBlock diagram
BA6138 / BA6138F
FElectrical characteristics (unless otherwise noted, Ta = 25_C and VCC = 12V)
FExternal dimensions (UnitsBA6138F
S Input resistance In the application circuit, the output voltage becomes saturated if the input signal rises above 3Vrms. By adding a resistor RIN in series with the input pin, the input-output voltage relation can be shifted. To maintain good linearity, the value of the resistor should be no more than 3kΩ. FFor needle meters The BA6138 / BA6138F can also be used for needle meters. The load resistance in this case is lower, thus the recovery time should be set with R1 = R2 small and C3 = C4 large.
3) Includes a muting pin for easy handling of power on / off. 4) Good stability with respect to power supply voltage fluctuations. 5) Operates on a single power supply.
826
元器件交易网 Audio ICs
FMeasurement circuit
BA6138 / BA6138F
C3, R2, C4 These time constants determine the recovery time. With R1 = R2 = 330kΩ and C3 = C4 = 4.7µF as in the application example, the recovery time is approximately 1 second. C3 and C4 can also be used as smoothing capacitors. The attack time is related to the charging ability of the IC and the values of C3 and C4. In the application example, it is approximately 1 ms. Muting pin (Pin 1) When Pin 1 is high, muting takes place. The threshold voltage is approximately 1.5V (2VF). FApplication example
元器件交易网 Audio ICs
Square-law compression amplifiers
BA6138 / BA6138F
The BA6138 and BA6138F are square-law compression amplifiers designed for use as level meters in component stereos and tape decks. Two square root amplifiers with good linearity are included on the IC, as well as a muting pin for easy handling of power on / off. FApplications Level meters for tape decks, component stereos, and high-end radio cassette players FFeatures 1) Consists of two square-law compression amplifiers with good linearity. 2) Good balance between channels with minimal crosstalk.