opa734
常见三极管型号选型参考
常见三极管型号选型参考简介，全称应为半导体三极管，也称双极型晶体管、晶体三极管，是⼀种控制电流的半导体器件。
其作⽤是把微弱信号放⼤成幅度值较⼤的电信号，也⽤作⽆触点开关。
三极管是半导体基本元器件之⼀，具有电流放⼤作⽤，是电⼦电路的核⼼元件。
三极管是在⼀块半导体基⽚上制作两个相距很近的PN结，两个PN结把整块半导体分成三部分，中间部分是基区，两侧部分是发射区和集电区，排列⽅式有PNP和NPN两种。
常见三极管的型号9011: 除是⾳频低噪⾳管外.还是长尾可变放⼤倍数的第⼀中放专⽤管. 长尾--即使电流⼀直延伸到接近0. 仍不会截⽌.可变放⼤倍数--电流变⼩.放⼤倍数不断变⼩.好象⼏乎是⽇常常⽤管中唯⼀⼀只第⼀中放专⽤管9012: PNP9013: NPN, Ic = 500mA, 中功率, 低频, 能推动普通⾳频输出的中功率放⼤9014: NPN, Ic = 100mA, MHz, ⼩功率, 低频, 低噪放⼤9015: PNP9018: NPN, Ic = 50mA, fT = ~ 620 ~ 1100 MHz, ⼩功率, ⾼频, ⼩电流低噪⾳8050: NPN, Ic = 1000~1500mA, ⾼频放⼤, 速度慢⼀些, 中功率管, ⼩功率放⼤电路中配对管, ⼩电⼦产品, ⾼频电路和电话中常见8550: PNP, Ic = 1000~1500mA, ⾼频放⼤, 速度慢⼀些, 中功率管2N3904: NPN,2N3906: PNP, Ic = 200mA, ⼩功率管, 速度⽐较快, 延时特别少, 最⼤通过的电流是在200mA, It is a 200 mA, 40 V, 625 mW transistor with a transition frequency of 300 MHz,[4] with a minimal beta, or current gain, of 100 at a collector current of 10 mA. It is used in a variety of analog amplification and switching applications. The 2N3904 is used very frequently in hobby electronics projects, including home-made ham radios, code-practice oscillators and as an interfacing device for microcontrollers.2N2222: NPN, Ic = 500mA, 可与2N2907/2N2907A PNP管做互补对称管使⽤, common NPN bipolar junction transistor (BJT) used for general purpose low-power amplifying or switching applications. It is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds. It was originally made in the TO-18 metal can as shown in the picture2N2907: PNP,2N5551: NPN, Ic = 600mA, VCEO=160V, ⾼反压三极管, 主要⽤途是1)做⾼压开关管, 2)做中功率功放, 3)做视频放⼤器2N5401: PNPBC184: NPN, VCEO=30V, Ic = 500mA, ICBO=<15nA, 通⽤⼩信号放⼤BC550: NPN, VCEO=45V, Ic = 100mA, ICBO=<15nA, 通⽤⼩信号放⼤BC560: PNP, VCEO=-45V, Ic = -100mA, ICBO=<15nA, 通⽤⼩信号放⼤MMBTA63, LMBTA63, SMBTA63: PNP, Darlington, Ic = -500mA, VCEO=-30V, hFE=5k~10kMPSA64, MMBTA64, LMBTA64, SMBTA64: PNP, Darlington, VCEO=-30V, Ic = -100mA, hFE=10k~20k,MPSA14, KSP14: NPN, Darlington, Ic在0.1~100mA之间hFE为1万⾄4万, 80mA处达到最⼤.hFE随温度上升明显升⾼, 低噪⾳微⼩信号放⼤KSP13: NPN, Darlington, Ic = 500mA, VCEO=30V, hFE=5k~10kMPSA18: NPN, ICBO=<15nA, 低噪⾳微⼩信号放⼤MPSA92: PNP, VCEO=-300V, Ic = -30mA, ⾼压⼩信号, 功放MPSA42: NPN, VCEO=300V, Ic = 30mA, ⾼压⼩信号, 功放与MPSA92组成对管FMMT734: PNP, Darlington, Ic = -800mA, VCEO=-100V, hFE=20k~60k, ⾼负压⾼电流⼤放⼤倍数达林顿管, 室温下Ic在1~100mA间能保持7.5万的hFE. hFE随温度上升明显升⾼FMMT634: NPN, DarlingtonMPSA系列⼩信号三极管主要参数选⽤三极管需要了解三极管的主要参数,三极管的四个极限参数：Icm, BVCEO, Pcm及fT是最基本的，另外，还要了解三极管的特征频率、噪⾳和输出功率。
OPA734中文资料
proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes couldFrequency (Hz)11k10k10100100k1s/divSAMPLING FREQUENCY vs TEMPERATUREV =12V504030SMALL−SIGNAL OVERSHOOT o o t (%)IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. T esting and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily performed.TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and applications using TI components. T o minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards.TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for such altered documentation.Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. Following are URLs where you can obtain information on other Texas Instruments products and application solutions:Products ApplicationsAmplifiers Audio /audioData Converters Automotive /automotiveDSP Broadband /broadbandInterface Digital Control /digitalcontrolLogic Military /militaryPower Mgmt Optical Networking /opticalnetwork Microcontrollers Security /securityTelephony /telephonyVideo & Imaging /videoWireless /wirelessMailing Address:Texas InstrumentsPost Office Box 655303 Dallas, Texas 75265Copyright 2004, Texas Instruments Incorporated。
OPA735AID中文资料
proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes couldFrequency (Hz)11k10k10100100k1s/divSAMPLING FREQUENCY vs TEMPERATUREV =12V504030SMALL−SIGNAL OVERSHOOT o o t (%)IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standard warranty. T esting and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily performed.TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and applications using TI components. T o minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards.TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI.Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for such altered documentation.Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. Following are URLs where you can obtain information on other Texas Instruments products and application solutions:Products ApplicationsAmplifiers Audio /audioData Converters Automotive /automotiveDSP Broadband /broadbandInterface Digital Control /digitalcontrolLogic Military /militaryPower Mgmt Optical Networking /opticalnetwork Microcontrollers Security /securityTelephony /telephonyVideo & Imaging /videoWireless /wirelessMailing Address:Texas InstrumentsPost Office Box 655303 Dallas, Texas 75265Copyright 2004, Texas Instruments Incorporated。
运放参数的详细解释与分析
第1节输入偏置电流和输入失调电流一般运放的datasheet中会列出众多的运放参数，有些易于理解，我们常关注，有些可能会被忽略了。
在接下来的一些主题里，将对每一个参数进行详细的说明和分析。
力求在原理和对应用的影响上把运放参数阐述清楚。
由于本人的水平有限，写的博文中难免有些疏漏，希望大家批评指正。
第一节要说明的是运放的输入偏臵电流Ib和输入失调电流Ios .众说周知，理想运放是没有输入偏臵电流Ib和输入失调电流Ios .的。
但每一颗实际运放都会有输入偏臵电流Ib和输入失调电流Ios .我们可以用下图中的模型来说明它们的定义。
输入偏臵电流Ib是由于运放两个输入极都有漏电流（我们暂且称之为漏电流）的存在。
我们可以理解为，理想运放的各个输入端都串联进了一个电流源，这两个电流源的电流值一般为不相同。
也就是说，实际的运入，会有电流流入或流出运放的输入端的（与理想运放的虚断不太一样）。
那么输入偏臵电流就定义这两个电流的平均值，这个很好理解。
输入失调电流呢，就定义为两个电流的差。
说完定义，下面我们要深究一下这个电流的来源。
那我们就要看一下运入的输入级了，运放的输入级一般采用差分输入（电压反馈运放）。
采用的管子，要么是三级管bipolar，要么是场效应管FET。
如下图所示，对于bipolar,要使其工作在线性区，就要给基极提供偏臵电压，或者说要有比较大的基极电流，也就是常说的，三极管是电流控制器件。
那么其偏臵电流就来源于输入级的三极管的基极电流，由于工艺上很难做到两个管子的完全匹配，所以这两个管子Q1和Q2的基极电流总是有这么点差别，也就是输入的失调电流。
Bipolar输入的运放这两个值还是很可观的，也就是说是比较大的，进行电路设计时，不得不考虑的。
而对于FET输入的运放，由于其是电压控制电流器件，可以说它的栅极电流是很小很小的，一般会在fA级，但不幸的是，它的每个输入引脚都有一对ESD保护二极管。
这两个二极管都是有漏电流的，这个漏电流一般会比FET的栅极电流大的多，这也成为了FET输入运放的偏臵电流的来源。
常用耳放芯片型号及简介
TI NE5532P
现在市面上大量见到的5532，听感上跟大S的5532区别很小很小，但是跟PHILIPS的NE5532AN对比还是很明显的。不过性价比很高，值推荐。由于时间关系，没有拿到尾缀为AP的样品，改天再来跟PHILIPS的NE5532AN来做对比。
NS LM833N
在NS的宣传资料上，说跟NE5532在指标和听感上最接近的音频IC。实际听感上，低音比NE5532的好，是这11个IC里低音量最足的，中高音稍微逊色些。也是典型的美国声。非常值得推荐。
TI/BB OPA2111KP,OPA2132PA,OPA2604AP
价格是OPA2111KP>OPA2132PA>OPA2604AP，音质也是OPA2111KP>OPA2132PA>OPA2604AP。中高音的表现比NE5532好，但是低音无力。性价比不高。
当年的经典大S5532 的确是很好的运放 也可以说是30年前的运放之王 当时他的确很厉害横扫全球发烧友和每个用户 被飞利浦收购后 就没的什么创新 不过飞利浦的NE5532也是不错的 不过停产了 原因是因为好像在马来西亚的工厂被大火烧掉了 后面在也没有生产了 所以现在在市场上有的不是拆机就是散新 根本没的原装的 所以请每个工厂放弃找飞利浦的5532 稍后我会告诉大家一个超低失真的运放
下面是5532的重点对比了。
大S NE5532N
作为把5532名声发扬广大的招牌，实际的听音效果不错。低音丰满，稍微有点点混，中高音清晰亮丽。经历过几十年的风风雨雨，依然宝刀不老。对得起“运放王”的称号。在90年代后，大S公司给PHILIPS收购了，停产了，只推PHILIPS标识的5532。
运放参数的详细解释和分析-合集(1-25)
比，也就是说匹配度提高为原来的两倍。面积要增加四倍，当到达一个水平时，即使再增加面积也不会提高匹配度 了。提高面积是要增加IC的成本的哦。所在有一个常被使用的办法，就是在运放生产出来后，进行测试，然后再 Trim(可以理解为调校了)。这样就能使运放的精度大在提高。当然，测试和Trim都是需要成本的哦。所以精密运放 的价格都比较贵。这段只当闲聊，呵呵。
好理解。输入失调电流呢，就定义为两个电流的差。
说完定义，下面我们要了，运放的输入级一般采用差分输入（电压反馈运放）。采用的管子，要么是三级管
bipolar，要么是场效应管FET 。如下图所示，对于bipolar,要使其工作在线性区，就要给基极提供偏置电压，或者
说要有比较大的基极电流，也就是常说的，三极管是电流控制器件。那么其偏置 电流就来源于输入级的三极管的
基极电流，由于工艺上很难做到两个管子的完全匹配，所以这两个管子Q1和Q2的基极电流总是有这么点差别，也
就是输入的失调电流。Bipo lar输入的运放这两个值还是很可观的，也就是说是比较大的，进行电路设计时，不得
运放参数的详细解释和分析 -part3，输入失调电压 Vos及温漂 （建议置顶）
在运放的应用中，不可避免的会碰到运放的输入失调电压Vo s 问题，尤其对直流信号进 行放大时，由于输入失调电压Vo s 的存在，放大电路的输出端总会叠加我们不期望的误差。 举个简单，老套，而经典的例子，由于输入失调电压的存在，会让我们的电子秤在没经调 校时，还没放东西，就会有重量显示。我们总不希望，买到的重量与实际重有差异吧，买苹果差点还没什么，要是 买白金戒指时，差一克可是不少的money哦。下面介绍一下运放的失调电压，以及它的计算。最后再介绍一些T I的 低输入失调电压运放。不足之处，多多拍砖。 理想情况下，当运放两个输入端的输入电压相同时，运放的输 出电压应为0V，但实际情况确是，即使两输入端的电压相同，放大电路也会有一个小的电压输出。如下图，这就 是由运放的输入失调电压引起的。
TI芯片总汇
OPA333AID OPA2333AID OPA335AID
OPA2335AID
OPA365AID
OPA2365AID
OPA727AIDGKT OPA2727AID OPA4727AIPW OPA734AID TLV2460IP TLV2462IP
TLV2463IN TLV2465IN
TPS40200D
TPS40211DGQ
TUSB3410IVF TMP275AID ISO7221MD ISO7220MD ISO7241MD ISO7240MD CC1101RTK CC2500RTK CC2480A1RTC CC2520RHDT CC2591RGVT
电压反馈高速放大
器
SAR 型 ADC
TL431BILP JFET 高速放大器 OPA656U OPA657U
THS4631D
流水线型 ADC
TPS74401KTWT TPS75901KTTT TPS70302PWP TPS54K/SWIFT TPS54160DGQ TPS5430DDA TPS5450DDA TPS54350PWP TPS54550PWP
精密对数放大器数
LOG112AID
电流基准 REF200AU
电流反馈放大器馈 压控增益放大器益
OPA684ID
VCA820ID
OPA2684ID
VCA822ID
OPA691ID
VCA810ID
OPA2691ID
OPA695ID
OPA2695ID
OPA694ID
THS3001ID THS3091D
音频功放
时钟发生和分配器
TPS54331D
电压反向器
MSP430F4793IPZ
个人总结——常见集成运放型号大全
常见集成运放型号大全LF351 BI-FET单运算放大器NSLF353 BI-FET双运算放大器NSLF356 BI-FET单运算放大器NSLF357 BI-FET单运算放大器NSCA3130高输入阻抗运算放大器IntersilCA3140 高输入阻抗运算放大器CD4573 四可编程运算放大器MC14573ICL7650斩波稳零放大器LF347(NS[DATA]) 带宽四运算放大器KA347LF398 采样保持放大器NS[DATA]LF411 BI-FET单运算放大器NS[DATA]LF412 BI-FET双运放大器NS[DATA]LM318 高速运算放大器NS[DATA]LM324四运算放大器NS[DATA]HA17324,/LM324(TI)LM348四运算放大器NLM358NS[DATA] 通用型双运算放大器HA17358/LM358P(TI)LM380 音频功率放大器NS[DATA]LM386-1 NS[DATA] 音频放大器NJM386D,UTC386LM386-3 音频放大器NS[DATA]LM386-4 音频放大器NS[DATA]LM3886 音频大功率放大器NS[DATA]LM3900 四运算放大器LM124 低功耗四运算放大器(军用档) NS[DATA]/TI[DATA]LM1458 双运算放大器NS[DATA]LM148 四运算放大器NS[DATA]LM224J 低功耗四运算放大器(工业档) NS[DATA]/TI[DATA]LM2902 四运算放大器NS[DATA]/TI[DATA]LM2904 双运放大器NS[DATA]/TI[DATA]LM301 运算放大器NS[DATA]LM308 运算放大器NS[DATA]LM308H 运算放大器（金属封装）NS[DATA]LM725 高精度运算放大器NS[DATA]LM733 带宽运算放大器LM741 NS[DATA] 通用型运算放大器HA17741TBA820M 小功率音频放大器ST[DATA]TL061 BI-FET单运算放大器TI[DATA]TL062 BI-FET双运算放大器TI[DATA]TL064 BI-FET四运算放大器TI[DATA]TL072 BI-FET双运算放大器TI[DATA]TL074 BI-FET四运算放大器TI[DATA]TL081 BI-FET单运算放大器TI[DATA]TL082 BI-FET双运算放大器TI[DATA]TL084 BI-FET四运算放大器TI[DATA]MC34119 小功率音频放大器NE592 视频放大器OP07-CP精密运算放大器TI[DATA]OP07-DP 精密运算放大器TI[NE5532 高速低噪声双运算放大器TI 双运放NE5534 高速低噪声单运算放大器TI 单运放OPA602 高速高精度运放（无OPA2602）OPA604单OPA2604双低噪声运放OPA132单OPA2132双OPA4132四高速低噪运放OPA227 OPA2227 OPA4227 OPA228 OPA2228 OPA4228 高精度低噪声运放AD844：60MHz、2000V/us单芯片运算放大器高带宽、非常快速的大信号响应特性常用的压控放大器：AD603 VCA810 VCA820AD603：低噪声电压控制增益运放90MHz带宽VCA810：35MHz高增益可调节范围宽带压控放大器25mV/dB(-40dB~40dB)VCA820：150MHz增益可调运放(-20~+20dB)已经申得的样片：TLV5616- 12 位3us DAC 串行输入可编程设置时间/功耗，电压O/P 范围= 2x 基准电压TLV5616CDTLC2543- 12 位66kSPS ADC 串行输出，可编程MSB/LSB 优先，可编程断电/输出数据长度，11 通道TLC2543CDBOPA690- 具有禁用功能的宽带电压反馈运算放大器OPA690IDVCA810- 高增益可调节范围宽带压控放大器VCA810IDOPA2604- 双路FET 输入、低失真运算放大器OPA2604APTLC2543 - 12 位66kSPS ADC 串行输出，可编程MSB/LSB 优先，可编程断电/输出数据长度，11 通道TLC2543CNTLV5616 - 12 位3us DAC 串行输入可编程设置时间/功耗，电压O/P 范围= 2x 基准电压TLV5616CPVCA810 - 高增益可调节范围宽带压控放大器VCA810IDTLV5638 - 12 位、1 或3.5us DAC，具有串行输入、双路DAC、可编程内部参考和稳定时间、功耗TLV5638CDAD526精确程控放大器ADI公司，AD603，低噪声、90 MHz可变增益放大器.，ADI公司，AD605双通道、低噪声、单电源可变增益放大器，ADI公司，AD620低漂移、低功耗仪表放大器，增益设置范围1～10000 ADI公司， AD783，采样保持电路，ADI公司，AD811高性能视频运算放大器（电流反馈型宽带运放），ADI公司，AD818高速低噪声电压反馈型运放，ADI公司，AD8011 300 MHz、1 mA 电流反馈放大器，ADI公司，AD8056双路、低成本、300 MHz电压反馈型放大器ADI公司，AD8564，四路7 ns单电源高速比较器，ADI公司，AC524/AC525 5~500 MHz级联放大器，teledyne 公司，BUF634，250mA高速缓冲器，TI公司，/cnCA3140单运算直流放大器，Intersil Corporation，HFA1100 850MHz、低失真电流反馈放大器，Intersil Corporation，INA118精密低功耗仪表放大器，TI公司，/cnLF356 JFET输入运算放大器，National Semiconductor Corpora，LM311具有选通信号的差动比较器，National Semiconductor Corpora， LF356，JFET输入运算放大器，National Semiconductor Corpora，LM393电压比较器，National Semiconductor Corpora，LM7171高速电压反馈运算放大器，National Semiconductor Corpora， LM358/LM158/LM258/LM2904双运算放大器，National Semiconductor Corpora，LM2902,LM324/LM324A,LM224/ LM224A四运算放大器，National Semiconductor Corpora，LT1210 1.1A，35MHz电流反馈放大器，linear公司，/product/LT12 MAX4256，UCSP封装、单电源、低噪声、低失真、满摆幅运算放大器，Maxim公司，MAX912, MAX913单/双路、超高速、低功耗、精密的TTL比较器，Maxim公司，MAX477 ，300MHz、高速运算放大器，Maxim公司，MAX427/ MAX437低噪声、高精度运算放大器，Maxim公司MAX900高速、低功耗、电压比较器，Maxim公司NE5532双路低噪声高速音频运算放大器，TI公司，/cnNE5534低噪声高速音频运算放大器，TI公司，/cnOP27低噪声、精密运算放大器ADI公司，OP37低噪声、精密运算放大器ADI公司，OPA637，精密、高速、低漂移、高增益放大器，TI公司，/cn OPA637，精密、高速、低漂移高增益放大器，TI公司，/cn OPA642高速低噪声电压反馈型运放，TI公司，/cnOPA690，宽带50MHz、电压反馈运算放大器，TI公司，/cnOPA690 高速、电压反馈型运放（大于等于50MHz），TI公司，/cn PGA202KP，数字可编程仪表放大器，TI公司，/cnTHS3091单路高压低失真电流反馈运算放大器，TI公司，/cnTHS3092高压低失真电流反馈运算放大器，TI公司，/cnTL084，JFET 输入运算放大器，TI公司，/cnµA741标准线性放大器，TI公司，/cn。
运算放大器的一些参数对照表,当你拿到一篇手册的时候,看这些参数就够了
1、输入偏置电流Ib和输入失调电流Ios (低偏置电流：OPA369、OPA2369)
2、输入失调电压Vos和温漂 （低温漂：OPA734、OPA735 、OPA334 、OPA335、OPA333、OPA188）
14、增益带宽积GBW
15、压摆率SR
16、全功率带宽FPBW （全功率带宽由压摆率和输出信号的幅值决定，就是压摆率一定的情况下，输出信号的幅值越大，全功率带宽越小。）
VCA810+DAC8043+OPA637是我程控增益部分的组合，效果很不错。
3、噪声
4、直流电源抑制比DC-PSRR
5、交流电源抑制比AC-PSRR
6、共模抑制比CMRR
7、直流误差DC error
8、开环增益Aol
9、同向端输入偏置电流Ib+
1பைடு நூலகம்、反向端输入偏置电流Ib-
11、等效输入噪声en
12、输入电容Ccm和Cdif
13、轨到轨 （轨到轨：OPA365、OPA333）
OPA类TI免费芯片汇集
OPA1013- 精密单电源双路运算放大器OPA1013CN8P 所有无铅库存$0.00OPA124- 低噪声的精密差动运算放大器OPA124U D 所有无铅库存$0.00OPA124UA D 所有无铅库存$0.00OPA129- 超低偏置电流差动运算放大器OPA129U D 所有无铅库存$0.00OPA129UB D 所有无铅库存$0.00OPA131- 通用 FET- 输入运算放大器OPA131UA D 所有无铅库存$0.00OPA1602- OPA1602、OPA1604 SoundPlus 高性能、双极输入音频运算放大器OPA1602AID D 暂时缺货$0.00OPA1642- Sound-Plus 高性能、JFET 输入音频运算放大器OPA1642AID D 暂时缺货$0.00OPA2130- 低功耗精密 FET 输入运算放大器OPA2130UA D 所有无铅库存$0.00OPA2137- 低成本 FET 输入运算放大器OPA2137P P 所有无铅库存$0.00OPA2141- 10MHz 单电源低噪声 JFET 精密放大器 ]]OPA2141AID D 所有无铅库存$0.00OPA2141AIDR D 所有无铅库存$0.00OPA2227- 高精度、低噪声运算放大器OPA2227P P 所有无铅库存$0.00OPA2227U D 所有无铅库存$0.00OPA2227UA D 所有无铅库存$0.00OPA2228- 高精度低噪声运算放大器OPA2228P P 所有无铅/绿色环保库存$0.00OPA2228PA P 所有无铅库存$0.00OPA2228U D 所有无铅库存$0.00OPA2228UA D 所有无铅库存$0.00OPA2333-HT- 1.8V 微功耗 CMOS 运算放大器OPA2333SJD JD 所有无铅无偏好** 库存$0.00OPA2334- 最大漂移0.05uV/℃ 的单电源 CMOS 运算放大器OPA2334AIDGST DGS 所有无铅/绿色环保库存$0.00 OPA2335- 最大漂移0.05uV/℃ 的单电源 CMOS 运算放大器OPA2335AIDGKT DGK 所有无铅库存$0.00 OPA2335AIDR D 所有无铅/绿色环保库存$0.00 OPA2338- MicroSIZE、单电源 CMOS 运算放大器微放大器系列OPA2338EA/250DCN 所有无铅/绿色环保库存$0.00OPA2354- 250MHz 轨至轨 I/O CMOS 双路运算放大器OPA2354AIDDA DDA 所有无铅库存$0.00 OPA2354AIDGKT DGK 所有无铅库存$0.00 OPA2376- 精密、低噪声、低静态电流运算放大器OPA2376AIDR D 所有无铅/绿色环保库存$0.00 OPA2376AIYZDT YZD 所有无铅/绿色环保库存$0.00 OPA2380- 高速精确互阻抗放大器OPA2380AIDGKT DGK 所有无铅/绿色环保库存$0.00 OPA2652- SpeedPlus(TM) 双路 700MHz 电压反馈运算放大器OPA2652U D 所有无铅/绿色环保库存$0.00 OPA2684- 双路低功耗电流反馈运算放大器OPA2684ID D 暂时缺$0.00货OPA2690- 具有禁用功能的双路宽带电压反馈运算放大器OPA2690ID D 所有无铅/绿色环保库存$0.00 OPA2703- 12V CMOS 轨至轨 I/O 运算放大器OPA2703UA D 所有无铅/绿色环保库存$0.00 OPA2703UAG4 D 所有无铅库存$0.00 OPA2704- 12V CMOS 轨至轨 I/O 运算放大器OPA2704EA/250DGK 所有无铅库存$0.00 OPA2704EA/250G4 DGK 所有无铅库存$0.00 OPA2704PA P 所有无铅/绿色环保库存$0.00 OPA2890- 具有禁用功能的双路低功耗宽带电压反馈运算放大器OPA2890ID D 所有无铅/绿色环保库存$0.00 OPA320- 20MHz、0.9pA Ib、RRIO、精密 CMOS 运算放大器OPA320AIDBVT DBV 所有无铅库存$0.00 OPA320SAIDBVT DBV 暂时缺$0.00货OPA3355- 具有关断状态的 2.5V 200MHz 的 GBW CMOS 三路运算放大器OPA3355EA/250PW 所有无铅/绿色环保库存$0.00 OPA3355UA D 所有无铅库存$0.00 OPA337- MicroAmplifier(TM) 系列微型单电源 CMOS 运算放大器OPA337NA/250DBV 所有无铅/绿色环保库存$0.00 OPA343- MicroAmplifier(TM) 系列单电源轨至轨运算放大器OPA343UA D 所有无铅/绿色环保库存$0.00 OPA347- 微功耗轨至轨运算放大器OPA347NA/250DBV 所有无铅/绿色环保库存$0.00 OPA347PA P 所有无铅/绿色环保暂时缺$0.00货OPA347SA/250DCK 所有无铅库存$0.00 OPA353- MicroAmplifier(TM) 系列高速单电源轨至轨运算放大器OPA353UA D 所有无铅/绿色环保库存$0.00 OPA364- 1.8V、高 CMR、RRIO 运算放大器OPA364AID D 所有无铅/绿色环保库存$0.00 OPA364AIDBVT DBV 所有无铅/绿色环保库存$0.00 OPA364IDBVT DBV 所有无铅/绿色环保库存$0.00 OPA3692- 具有禁用功能的三路宽带固定增益缓冲器OPA3692ID D 所有无铅/绿色环保库存$0.00 OPA3692IDBQT DBQ 所有无铅/绿色环保库存$0.00 OPA379- 1.8V、2.9µA、90kHz、轨至轨 I/O 运算放大器OPA379AIDCKT DCK 所有无铅/绿色环保库存$0.00 OPA380- 高速精密互阻抗放大器OPA380AIDGKT DGK 所有无铅库存$0.00 OPA4134- SoundPlus(TM) 高性能音频运算放大器OPA4134UA D 所有无铅库存$0.00 OPA4170- 36V、微功耗、轨至轨输出、四路、通用运算放大器OPA4170AID D 所有无铅库存$0.00 OPA4170AIPW PW 所有无铅库存$0.00 OPA4350- MicroAmplifier(TM) 系列高速单电源轨至轨运算放大器OPA4350EA/250DBQ 所有无铅/绿色环保库存$0.00 OPA4350UA D 所有无铅/绿色环保库存$0.00 OPA4353- MicroAmplifier(TM) 系列高速单电源轨至轨运算放大器OPA4353UA D 所有无铅/绿色环保库存$0.00 OPA4364- 1.8V、高 CMR、RRIO 运算放大器OPA4364AID D 所有无铅/绿色环保库存$0.00 OPA4704- 12V CMOS 轨至轨 I/O 运算放大器OPA4704UA D 所有无铅库存$0.00 OPA548- 高电压大电流运算放大器，出色的输出摆幅OPA548FKTWT KTW 所有无铅/绿色环保库存$0.00 OPA548T KVT 所有无铅/绿色环保库存$0.00 OPA561- 大电流运算放大器OPA561PWP PWP 所有无铅/绿色环保库存$0.00 OPA606- Wide-Bandwidth Difet(R) 运算放大器OPA606KP P 所有无铅/绿色环保库存$0.00 OPA656- 宽带单位增益稳定 FET 输入运算放大器OPA656N/250DBV 所有无铅库存$0.00 OPA656N/250G4DBV 所有无铅库存$0.00 OPA656NB/250DBV 所有无铅库存$0.00 OPA656U D 所有无铅库存$0.00 OPA656UB D 所有无铅库存$0.00 OPA694- 宽带、低功耗、电流反馈放大器OPA694ID D 所有无铅库存$0.00OPA1013- 精密单电源双路运算放大器OPA1013CN8P 所有无铅库存$0.00 OPA121- 低成本的精密差动运算放大器OPA121KU D 所有无铅库存$0.00 OPA124- 低噪声的精密差动运算放大器OPA124U D 所有无铅库存$0.00 OPA124UA D 所有无铅库存$0.00 OPA129- 超低偏置电流差动运算放大器OPA129U D 所有无铅库存$0.00 OPA129UB D 所有无铅库存$0.00 OPA130- 低功耗精密 FET 输入运算放大器OPA130UA D 所有无铅库存$0.00 OPA131- 通用 FET- 输入运算放大器OPA131UA D 所有无铅库存$0.00 OPA132- 高速 FET 输入运算放大器OPA132U D 所有无铅库存$0.00 OPA132UA D 所有无铅库存$0.00 OPA134- SoundPlus(TM) 高性能音频运算放大器OPA134PA P 所有无铅/绿色环保库存$0.00OPA134UA D 所有无铅无偏好** 库存$0.00OPA137- 低成本 FET 输入运算放大器OPA137P P 所有无铅无偏好** 库存$0.00OPA137PA P 库存$0.00 OPA140- 11MHz 单电源、低噪声、精密轨至轨输出 JFET 放大器OPA140AID D 所有无铅库存$0.00 OPA140AIDBVT DBV 所有无铅库存$0.00 OPA140AIDGKT DGK 所有无铅库存$0.00 OPA141- 10MHz 单电源低噪声 JFET 精密放大器OPA141AID D 所有无铅无偏好** 库存$0.00OPA141AIDGKT DGK 所有无铅库存$0.00OPA1602- OPA1602、OPA1604 SoundPlus 高性能、双极输入音频运算放大器OPA1602AID D 暂时缺货$0.00OPA1611- 1.1nV/√Hz 噪声、低功耗精密运算放大器OPA1611AID D 所有无铅库存$0.00OPA1612- 1.1nV/√Hz 噪声、低功耗精密运算放大器OPA1612AID D 所有无铅库存$0.00OPA1632- 全差动 I/O 音频放大器OPA1632D D 所有无铅/绿色环保库存$0.00OPA1632DR D 所有无铅库存$0.00OPA1641- Sound-Plus 高性能、JFET 输入音频运算放大器OPA1641AID D 所有无铅库存$0.00OPA1642- Sound-Plus 高性能、JFET 输入音频运算放大器OPA1642AID D 暂时缺货$0.00OPA1644- OPA1641/1642/1644 SoundPLUS™ 高性能 JFET 输入音频运算放大器OPA1644AID D 所有无铅无偏好** 库存$0.00OPA1654- Sound Plus 低噪声和低失真通用 FET 输入音频运算放大器OPA1654AID D 所有无铅库存$0.00OPA1654AIPW PW 所有无铅库存$0.00OPA1662-Q1- 汽车类 Sound Plus、低功耗、低噪声和低失真音频运算放大器OPA1662AIDGKRQ1 DGK 所有无铅库存$0.00OPA1662AIDRQ1 D 库存$0.00OPA1664- Sound Plus 低功耗、低噪声和低失真音频运算放大器OPA1664AID D 所有无铅库存$0.00OPA1664AIPW PW 所有无铅无偏好** 库存$0.00OPA170- 采用微型封装的 36V、微功耗、轨至轨输出、通用运算放大器OPA170AID D 所有无铅库存$0.00OPA170AIDBVT DBV 所有无铅库存$0.00OPA170AIDRLR DRL 所有无铅库存$0.00OPA170AIDRLT DRL 所有无铅库存$0.00OPA171- 采用微型封装的 36V 通用低功耗 RRO 运算放大器OPA171AID D 所有无铅库存$0.00OPA171AIDBVT DBV 所有无铅库存$0.00OPA171AIDRLT DRL 所有无铅库存$0.00OPA177- 精密运算放大器OPA177FP P 库存$0.00OPA177GP P 所有无铅库存$0.00OPA177GS D 所有无铅库存$0.00OPA177GS/2K5 D 所有无铅库存$0.00OPA188- 0.03μV/°C、6μV Vos、低噪声、轨至轨输出、36V 零漂移运算放大器OPA188AIDGKT DGK 所有无铅库存$0.00OPA1S2385- 具有集成开关和缓冲器的 200-MHz CMOS 跨阻放大器 (TIA)OPA1S2385IDRCT DRC 暂时缺货$0.00OPA211- 1.1nV/(sqrt)Hz Noise, Low Power, Precision Operational Amplifier in DFN-8 Pkg OPA211AIDR D 所有无铅/绿色环保库存$0.00OPA211ID D 所有无铅/绿色环保库存$0.00OPA211IDRGT DRG 所有无铅/绿色环保库存$0.00 OPA2130- 低功耗精密 FET 输入运算放大器OPA2130UA D 所有无铅库存$0.00 OPA2131- 通用 FET 输入运算放大器OPA2131UA D 所有无铅无偏好** 库存$0.00OPA2131UJ D 所有无铅库存$0.00 OPA2132- 高速 FET 输入运算放大器OPA2132P P 库存$0.00OPA2132PA P 所有无铅无偏好** 库存$0.00OPA2132U D 所有无铅无偏好** 库存$0.00OPA2132UA D 所有无铅库存$0.00OPA2134- SoundPlus(TM) 高性能音频运算放大器OPA2134PA P 所有无铅库存$0.00OPA2134UA D 所有无铅库存$0.00OPA2137- 低成本 FET 输入运算放大器OPA2137P P 所有无铅库存$0.00OPA2141- 10MHz 单电源低噪声 JFET 精密放大器 ]]OPA2141AID D 所有无铅库存$0.00OPA2141AIDR D 所有无铅库存$0.00OPA2170- 采用微型封装的 36V、微功耗、轨至轨输出、双路通用运算放大器OPA2170AID D 暂时缺货$0.00OPA2170AIDGK DGK 所有无铅库存$0.00OPA2171- 采用微型封装的 36V 通用低功耗 RRO 运算放大器OPA2171AID D 所有无铅库存$0.00OPA2171AIDCUT DCU 所有无铅库存$0.00OPA2227- 高精度、低噪声运算放大器OPA2227P P 所有无铅库存$0.00OPA2227U D 所有无铅库存$0.00OPA2227UA D 所有无铅库存$0.00OPA2228- 高精度低噪声运算放大器OPA2228P P 所有无铅/绿色环保库存$0.00OPA2228PA P 所有无铅库存$0.00OPA2228U D 所有无铅库存$0.00OPA2228UA D 所有无铅库存$0.00OPA2244- MicroAmplifier(TM) 系列微功耗单电源运算放大器OPA2244EA/250DGK 所有无铅/绿色环保库存$0.00OPA2244PA P 所有无铅库存$0.00OPA2244UA D 所有无铅库存$0.00 OPA2277- 高精度运算放大器OPA2277P P 所有无铅/绿色环保库存$0.00 OPA2277PA P 库存$0.00 OPA2277U D 所有无铅库存$0.00OPA2277UA D 所有无铅无偏好** 库存$0.00OPA2314-EP- 低功耗、低噪声 RRI/O 1.8V CMOS 运算放大器OPA2314ASDRBTEP DRB 库存$0.00 OPA2333- 1.8V、17µA、微功耗、精密、零漂移 CMOS 运算放大器OPA2333AID D 所有无铅/绿色环保库存$0.00 OPA2333AIDGKT DGK 所有无铅库存$0.00 OPA2333AIDRBT DRB 所有无铅/绿色环保库存$0.00 OPA2333-HT- 1.8V 微功耗 CMOS 运算放大器OPA2333SJD JD 所有无铅无偏好** 库存$0.00OPA2334- 最大漂移0.05uV/℃ 的单电源 CMOS 运算放大器OPA2334AIDGST DGS 所有无铅/绿色环保库存$0.00 OPA2335- 最大漂移0.05uV/℃ 的单电源 CMOS 运算放大器OPA2335AIDGKT DGK 所有无铅库存$0.00 OPA2335AIDR D 所有无铅/绿色环保库存$0.00 OPA2336- MicroAmplifier 系列单电源微功耗 CMOS 运算放大器OPA2336E/250DGK 所有无铅库存$0.00 OPA2336PA P 所有无铅库存$0.00 OPA2336U D 所有无铅库存$0.00 OPA2336UA D 所有无铅/绿色环保库存$0.00 OPA2337- MicroSIZE、单电源 CMOS 运算放大器微放大器系列OPA2337UA D 所有无铅/绿色环保库存$0.00 OPA2338- MicroSIZE、单电源 CMOS 运算放大器微放大器系列OPA2338EA/250DCN 所有无铅/绿色环保库存$0.00 OPA2338UA D 所有无铅库存$0.00 OPA2345- MicroAmplifier(TM) 系列低功耗单电源轨至轨运算放大器OPA2345EA/250DGK 所有无铅库存$0.00 OPA2345UA D 所有无铅库存$0.00 OPA2347- 采用 WCSP-8 封装的微功耗轨至轨运算放大器OPA2347EA/250DCN 所有无铅/绿色环保库存$0.00 OPA2347UA D 所有无铅/绿色环保库存$0.00 OPA2347UAG4 D 所有无铅库存$0.00 OPA2354- 250MHz 轨至轨 I/O CMOS 双路运算放大器OPA2354AIDDA DDA 所有无铅库存$0.00 OPA2354AIDGKT DGK 所有无铅库存$0.00 OPA2355- 具有关断状态的 2.5V 200MHz 的 GBW CMOS 双路运算放大器OPA2355DGSA/250 DGS 所有无铅/绿色环保库存$0.00 OPA2356- 2.5V 200MHz 的 GBW CMOS 双路运算放大器OPA2356AID D 所有无铅库存$0.00 OPA2356AIDGKT DGK 所有无铅/绿色环保库存$0.00 OPA2356AIDR D 库存$0.00 OPA237- MicroAmplifier(TM) 系列单电源运算放大器OPA237NA/250DBV 库存$0.00 OPA237NA/3K DBV 暂时缺货$0.00 OPA237UA D 所有无铅库存$0.00 OPA2376- 精密、低噪声、低静态电流运算放大器OPA2376AIDR D 所有无铅/绿色环保库存$0.00 OPA2376AIYZDT YZD 所有无铅/绿色环保库存$0.00 OPA2380- 高速精确互阻抗放大器OPA2380AIDGKT DGK 所有无铅/绿色环保库存$0.00 OPA244- 微功耗单电源运算放大器 MicroAmplifier(TM) 系列OPA244NA/250DBV 所有无铅库存$0.00 OPA244UA D 所有无铅库存$0.00 OPA251- 单电源、微功耗运算放大器OPA251PA P 所有无铅无偏好** 库存$0.00OPA2544- 高电压（大电流）双路运算放大器OPA2544T KV 所有无铅/绿色环保库存$0.00OPA2613- 具有电流限制的双宽带高输出电流运算放大器OPA2613ID D 所有无铅/绿色环保库存$0.00OPA2652- SpeedPlus(TM) 双路 700MHz 电压反馈运算放大器OPA2652U D 所有无铅/绿色环保库存$0.00OPA2673- Dual Wideband High Output Current Operational Amplifier with Current Limit OPA2673IRGVT RGV 所有无铅/绿色环保库存$0.00OPA2684- 双路低功耗电流反馈运算放大器OPA2684ID D 暂时缺货$0.00OPA2690- 具有禁用功能的双路宽带电压反馈运算放大器OPA2690ID D 所有无铅/绿色环保库存$0.00OPA27- 超低噪声精度运算放大器OPA27GP P 所有无铅无偏好** 库存$0.00OPA27GU D 所有无铅库存$0.00 OPA2703- 12V CMOS 轨至轨 I/O 运算放大器OPA2703UA D 所有无铅/绿色环保库存$0.00 OPA2703UAG4 D 所有无铅库存$0.00 OPA2704- 12V CMOS 轨至轨 I/O 运算放大器OPA2704EA/250DGK 所有无铅库存$0.00 OPA2704EA/250G4 DGK 所有无铅库存$0.00 OPA2704PA P 所有无铅/绿色环保库存$0.00 OPA2743- 12V 7MHz 轨至轨 I/O 双路运算放大器OPA2743UA D 所有无铅库存$0.00 OPA2830- 二路、低功耗、单电源宽带运算放大器OPA2830ID D 所有无铅/绿色环保库存$0.00 OPA2830IDGKT DGK 所有无铅/绿色环保库存$0.00 OPA2832- 双通道低功耗高速固定增益运算放大器OPA2832ID D 所有无铅/绿色环保库存$0.00 OPA2832IDGKT DGK 所有无铅/绿色环保库存$0.00 OPA2890- 具有禁用功能的双路低功耗宽带电压反馈运算放大器OPA2890ID D 所有无铅/绿色环保库存$0.00 OPA314- 3MHz、低功耗、低噪声、RRI/O 1.8V CMOS 运算放大器OPA314AIDBVT DBV 库存$0.00OPA320- 20MHz、0.9pA Ib、RRIO、精密 CMOS 运算放大器OPA320AIDBVT DBV 所有无铅库存$0.00OPA320SAIDBVT DBV 暂时缺$0.00货OPA322- 具有关断状态的 20MHz、低噪声、1.8V RRIO、CMOS 运算放大器OPA322AIDBVT DBV 所有无铅库存$0.00OPA330- 1.8V、35µA、微功耗、精密、零漂移 CMOS 运算放大器OPA330AID D 所有无铅库存$0.00OPA330AIDBVT DBV 所有无铅库存$0.00OPA330AIDCKT DCK 所有无铅库存$0.00OPA333- 1.8V、17µA、微功耗、精密、零漂移 CMOS 运算放大器OPA333AIDBVT DBV 所有无铅/绿色环保库存$0.00OPA333AIDCKRG4 DCK 所有无铅库存$0.00OPA333AIDCKT DCK 所有无铅库存$0.00OPA333AIDR D 所有无铅库存$0.00OPA334- 最大漂移0.05uV/℃ 的单电源 CMOS 运算放大器OPA334AIDBVT DBV 所有无铅/绿色环保库存$0.00OPA335- 最大漂移0.05uV/℃ 的单电源 CMOS 运算放大器OPA335AID D 所有无铅库存$0.00OPA335AIDBVT DBV 所有无铅/绿色环保库存$0.00OPA3355- 具有关断状态的 2.5V 200MHz 的 GBW CMOS 三路运算放大器OPA3355EA/250PW 所有无铅/绿色环保库存$0.00OPA3355UA D 所有无铅库存$0.00OPA336- MicroAmplifier(TM) 系列单电源、微功耗 CMOS 运算放大器OPA336N/250DBV 所有无铅/绿色环保库存$0.00OPA336NA/250DBV 所有无铅/绿色环保库存$0.00OPA336NJ/3K DBV 所有无铅库存$0.00OPA336U D 所有无铅/绿色环保库存$0.00 OPA336UA D 所有无铅库存$0.00 OPA337- MicroAmplifier(TM) 系列微型单电源 CMOS 运算放大器OPA337NA/250DBV 所有无铅/绿色环保库存$0.00 OPA340- MicroAmplifier(TM) 系列单电源轨至轨运算放大器OPA340NA/250DBV 库存$0.00 OPA340UA D 所有无铅/绿色环保库存$0.00 OPA342- MicroAmplifier(TM) 系列低成本低功耗轨至轨运算放大器OPA342NA/250DBV 所有无铅/绿色环保库存$0.00 OPA343- MicroAmplifier(TM) 系列单电源轨至轨运算放大器OPA343UA D 所有无铅/绿色环保库存$0.00 OPA344- 低功耗单电源轨至轨运算放大器 MicroAmplifier(TM) 系列OPA344NA/250DBV 所有无铅/绿色环保库存$0.00 OPA344PA P 所有无铅/绿色环保库存$0.00 OPA344UA D 库存$0.00 OPA345- 低功耗单电源轨至轨运算放大器 MicroAmplifier(TM) 系列OPA345NA/250DBV 所有无铅/绿色环保库存$0.00 OPA345UA D 所有无铅/绿色环保库存$0.00 OPA347- 微功耗轨至轨运算放大器OPA347NA/250DBV 所有无铅/绿色环保库存$0.00 OPA347PA P 所有无铅/绿色环保暂时缺货$0.00 OPA347SA/250DCK 所有无铅库存$0.00 OPA348- 1MHz、45uA、RRIO、单路运算放大器OPA348AID D 所有无铅无偏好** 库存$0.00OPA348AIDBVT DBV 所有无铅/绿色环保库存$0.00 OPA348AIDCKT DCK 所有无铅/绿色环保库存$0.00 OPA350- MicroAmplifier(TM) 系列高速单电源轨至轨运算放大器OPA350EA/250DGK 库存$0.00 OPA350PA P 所有无铅库存$0.00 OPA350UA D 所有无铅/绿色环保库存$0.00 OPA353- MicroAmplifier(TM) 系列高速单电源轨至轨运算放大器OPA353NA/250DBV 所有无铅库存$0.00 OPA353UA D 所有无铅/绿色环保库存$0.00 OPA354- 250MHz 轨至轨 I/O CMOS 单路运算放大器OPA354AIDBVT DBV 所有无铅/绿色环保库存$0.00 OPA354AIDDA DDA 所有无铅/绿色环保暂时缺货$0.00 OPA355- 具有关断状态的 2.5V 200MHz 的 GBW CMOS 单路运算放大器OPA355NA/250DBV 所有无铅库存$0.00 OPA355UA D 所有无铅/绿色环保库存$0.00OPA357- 具有关断状态的 250MHz 轨至轨 I/O 单路 CMOS 运算放大器OPA357AIDBVT DBV 所有无铅/绿色环保库存$0.00OPA357AIDDA DDA 所有无铅/绿色环保库存$0.00OPA360- 采用 SC70 封装具有低通滤波器、内部 G=2 和 SAG 校正的 3V 视频放大器OPA360AIDCKT DCK 所有无铅/绿色环保库存$0.00OPA361- 具有内部增益和滤波器的 3V 视频放大器OPA361AIDCKT DCK 所有无铅/绿色环保库存$0.00OPA363- 具有关断状态的 1.8V、高 CMR、RRIO 运算放大器OPA363AID D 所有无铅库存$0.00OPA363AIDBVT DBV 所有无铅/绿色环保库存$0.00OPA363IDBVT DBV 所有无铅/绿色环保库存$0.00OPA364- 1.8V、高 CMR、RRIO 运算放大器OPA364AID D 所有无铅/绿色环保库存$0.00OPA364AIDBVT DBV 所有无铅/绿色环保库存$0.00OPA364IDBVT DBV 所有无铅/绿色环保库存$0.00OPA365- 2.2V、50MHz 低噪声单电源轨至轨运算放大器OPA365AID D 所有无铅/绿色环保库存$0.00OPA365AIDBVT DBV 所有无铅库存$0.00OPA365-EP- 增强型产品 2.2V、50MHz 低噪声单电源轨至轨运算放大器OPA365AMDBVTEP DBV 所有无铅库存$0.00OPA3684- 具有禁用功能的低功耗三路电流反馈运算放大器OPA3684ID D 所有无铅/绿色环保库存$0.00OPA3691- 具有禁用功能的三路宽带电流反馈运算放大器OPA3691ID D 所有无铅/绿色环保库存$0.00OPA3691IDBQT DBQ 所有无铅/绿色环保库存$0.00OPA3692- 具有禁用功能的三路宽带固定增益缓冲器OPA3692ID D 所有无铅/绿色环保库存$0.00OPA3692IDBQT DBQ 所有无铅/绿色环保库存$0.00OPA3693- 具有禁用功能的超宽带电流反馈运算放大器OPA3693IDBQ DBQ 所有无铅/绿色环保库存$0.00OPA3695- 具有禁用功能的超宽带电流反馈运算放大器OPA3695IDBQ DBQ 所有无铅/绿色环保库存$0.00OPA373- 6.5MHz 585uA 轨至轨 I/O CMOS 运算放大器OPA373AIDBVT DBV 所有无铅库存$0.00OPA374- 6.5MHz、585uA、轨至轨 I/O CMOS 运算放大器$0.00OPA374AID D 暂时缺货OPA374AIDBVT DBV 所有无铅/绿色环保库存$0.00OPA376- 低噪声、低 IQ 精密运算放大器OPA376AID D 所有无铅/绿色环保库存$0.00OPA376AIDBVT DBV 所有无铅/绿色环保库存$0.00OPA376AIDCKT DCK 所有无铅/绿色环保库存$0.00OPA378- 低噪声、900kHz、RRIO 零漂移系列的精密运算放大器OPA378AIDBVT DBV 所有无铅库存$0.00 OPA379- 1.8V、2.9µA、90kHz、轨至轨 I/O 运算放大器OPA379AIDCKT DCK 所有无铅/绿色环保库存$0.00 OPA380- 高速精密互阻抗放大器OPA380AIDGKT DGK 所有无铅库存$0.00 OPA381- 精确低功耗高速互阻抗放大器OPA381AIDGKT DGK 所有无铅库存$0.00 OPA3875- OPA3875: Triple 2-to-1 High-Speed Video Multiplexer OPA3875IDBQ DBQ 所有无铅/绿色环保库存$0.00 OPA404- 四路高速精密 Difet(R) 运算放大器OPA404KP N 所有无铅/绿色环保库存$0.00OPA404KU DW 所有无铅无偏好** 库存$0.00OPA4130- 低功耗精密 FET 输入运算放大器OPA4130UA D 所有无铅库存$0.00OPA4131- 通用 FET 输入运算放大器OPA4131NA D 所有无铅库存$0.00OPA4131PA N 所有无铅/绿色环保库存$0.00OPA4131UA DW 所有无铅库存$0.00OPA4132- 高速 FET 输入运算放大器OPA4132UA D 所有无铅库存$0.00OPA4134- SoundPlus(TM) 高性能音频运算放大器OPA4134UA D 所有无铅库存$0.00OPA4137- 低成本 FET 输入运算放大器OPA4137P N 库存$0.00OPA4137U D 所有无铅库存$0.00OPA4137UA D 所有无铅库存$0.00OPA4170- 36V、微功耗、轨至轨输出、四路、通用运算放大器OPA4170AID D 所有无铅库存$0.00OPA4170AIPW PW 所有无铅库存$0.00OPA4171- 36V 通用低功耗 RRO 运算放大器OPA4171AID D 所有无铅库存$0.00OPA4171AIPW PW 所有无铅库存$0.00OPA4180- 0.1 uV/C 漂移、四通道、低噪声、轨到轨、36V 零漂移运算放大器OPA4180ID D 暂时缺货$0.00OPA4180IPW PW 暂时缺货$0.00OPA4209- 2.2nV/rtHz、18MHz、36V RRO 精密运算放大器OPA4209AIPW PW 所有无铅库存$0.00OPA4227- 高精度低噪声运算放大器OPA4227PA N 所有无铅/绿色环保库存$0.00 OPA4227UA D 所有无铅库存$0.00 OPA4228- 高精度低噪声运算放大器OPA4228PA N 所有无铅无偏好** 库存$0.00OPA4228UA D 所有无铅库存$0.00 OPA4234- 低功耗、精密单电源运算放大器OPA4234U D 所有无铅库存$0.00 OPA4241- 单电源、微功耗运算放大器OPA4241UA D 所有无铅库存$0.00 OPA4243- 四路运算放大器，微功耗、单电源OPA4243EA/250PW 所有无铅库存$0.00 OPA4244- MicroAmplifier(TM) 系列微功耗单电源运算放大器OPA4244EA/250PW 所有无铅库存$0.00 OPA4251- 单电源、微功耗运算放大器OPA4251PA N 所有无铅/绿色环保库存$0.00 OPA4251UA D 所有无铅库存$0.00 OPA4277- 高精度运算放大器OPA4277PA N 所有无铅无偏好** 库存$0.00OPA4277UA D 所有无铅库存$0.00OPA4314- 四路、3MHz、低功耗、低噪声、RRI/O、1.8V CMOS 运算放大器OPA4314AIPW PW 所有无铅库存$0.00OPA4317- 四路、低偏移、轨到轨 I/O 运算放大器OPA4317ID D 暂时缺货$0.00OPA4317IPW PW 所有无铅库存$0.00OPA4322- 20MHz、低噪声、1.8V、RRIO、CMOS 运算放大器OPA4322AIPW PW 所有无铅库存$0.00OPA4322SAIPW PW 所有无铅库存$0.00OPA4340- MicroAmplifier(TM) 系列单电源轨至轨运算放大器OPA4340EA/250DBQ 所有无铅/绿色环保库存$0.00OPA4340UA D 所有无铅库存$0.00OPA4343- MicroAmplifier™ 系列单电源轨至轨运算放大器OPA4343NA/250PW 所有无铅/绿色环保库存$0.00OPA4343UA D 所有无铅库存$0.00OPA4344- 低功耗单电源轨至轨运算放大器 MicroAmplifier(TM) 系列OPA4344EA/250PW 所有无铅/绿色环保库存$0.00OPA4344UA D 所有无铅/绿色环保库存$0.00OPA4347- 微功耗轨至轨运算放大器OPA4347UA D 库存$0.00OPA4347UAG4 D 所有无铅暂时缺$0.00货OPA4348- 1MHz、45uA、RRIO、四路运算放大器OPA4348AID D 所有无铅库存$0.00 OPA4348AIPWT PW 所有无铅/绿色环保库存$0.00 OPA4348AIPWTG4 PW 所有无铅库存$0.00 OPA4350- MicroAmplifier(TM) 系列高速单电源轨至轨运算放大器OPA4350EA/250DBQ 所有无铅/绿色环保库存$0.00 OPA4350UA D 所有无铅/绿色环保库存$0.00 OPA4353- MicroAmplifier(TM) 系列高速单电源轨至轨运算放大器OPA4353UA D 所有无铅/绿色环保库存$0.00 OPA4354- 250MHz 轨至轨 I/O CMOS 四路运算放大器OPA4354AIPWT PW 所有无铅库存$0.00 OPA4364- 1.8V、高 CMR、RRIO 运算放大器OPA4364AID D 所有无铅/绿色环保库存$0.00 OPA4376- 精密、低噪声、低静态电流运算放大器OPA4376AIPW PW 所有无铅无偏好** 库存$0.00OPA4377- 低成本、低噪声、5.5MHz CMOS 运算放大器OPA4377AIPW PW 所有无铅库存$0.00 OPA4379- 1.8V、2.5µA、90kHz、轨至轨 I/O 运算放大器OPA4379AIPWR PW 所有无铅/绿色环保库存$0.00 OPA445- 高电压 FET 输入运算放大器OPA445AP P 所有无铅库存$0.00 OPA445AU D 所有无铅库存$0.00 OPA452- 80V 50mA 运算放大器OPA452TA KC 所有无铅库存$0.00 OPA453- 80V 50mA 运算放大器OPA453TA KC 所有无铅库存$0.00 OPA454- 高电压 (100V) 和高电流 (50mA) 运算放大器，G = 1 稳定OPA454AIDDA DDA 所有无铅/绿色环保库存$0.00 OPA4704- 12V CMOS 轨至轨 I/O 运算放大器OPA4704UA D 所有无铅库存$0.00 OPA4743- 12V 7MHz CMOS 轨至轨 I/O 四路运算放大器OPA4743EA/250PW 所有无铅库存$0.00 OPA4820- 四路、单位增益、低噪声、电压反馈运算放大器OPA4820IPWT PW 所有无铅/绿色环保库存$0.00 OPA4830- 低功耗单电源宽带运算放大器OPA4830IPW PW 库存$0.00 OPA4872- 4:1 高速多路复用器OPA4872ID D 所有无铅/绿色环保库存$0.00 OPA541- 高功率单片运算放大器OPA541AP KV 所有无铅/绿色环保库存$0.00OPA544- 高电压、大电流运算放大器OPA544FKTTT KTT 所有无铅/绿色环保库存$0.00 OPA544T KC 所有无铅库存$0.00 OPA547- 高电压、大电流运算放大器、优异的输出摆幅OPA547FKTWT KTW 所有无铅/绿色环保库存$0.00 OPA547T KVT 所有无铅/绿色环保库存$0.00 OPA548- 高电压大电流运算放大器，出色的输出摆幅OPA548FKTWT KTW 所有无铅/绿色环保库存$0.00 OPA548T KVT 所有无铅/绿色环保库存$0.00 OPA549- 高电压大电流运算放大器，出色的输出摆幅OPA549S KVC 所有无铅/绿色环保库存$0.00 OPA549T KV 所有无铅/绿色环保暂时缺货$0.00 OPA551- 高电压、大电流运算放大器OPA551FA/500 KTW 所有无铅库存$0.00 OPA551FAKTWT KTW 所有无铅/绿色环保库存$0.00 OPA551PA P 所有无铅/绿色环保库存$0.00 OPA551UA D 所有无铅库存$0.00 OPA552- 高电压、大电流运算放大器OPA552FAKTWT KTW 所有无铅/绿色环保库存$0.00OPA552PA P 所有无铅无偏好** 库存$0.00OPA552UA D 所有无铅库存$0.00OPA561- 大电流运算放大器OPA561PWP PWP 所有无铅/绿色环保库存$0.00OPA567- 轨至轨 I/O 2A 功率放大器OPA567AIRHGT RHG 所有无铅/绿色环保库存$0.00OPA569- 2A 输出电流时输出信号摆幅在 200mV 轨之内的功率运算放大器OPA569AIDWP DWP 所有无铅/绿色环保库存$0.00OPA602- 高速精密 Difet(R) 运算放大器OPA602AP P 所有无铅/绿色环保库存$0.00OPA602AU D 所有无铅库存$0.00OPA602BP P 所有无铅/绿色环保库存$0.00OPA604- FET 输入音频运算放大器OPA604AP P 所有无铅/绿色环保库存$0.00OPA604APG4P 所有无铅库存$0.00OPA604AU D 所有无铅无偏好** 库存$0.00OPA606- Wide-Bandwidth Difet(R) 运算放大器OPA606KP P 所有无铅/绿色环保库存$0.00 OPA627- 精密高速 Difet(R) 运算放大器OPA627AU D 所有无铅/绿色环保库存$0.00OPA627BP P 所有无铅/绿色环保库存$0.00 OPA637- 精密高速 Difet(R) 运算放大器OPA637AP P 所有无铅无偏好** 库存$0.00OPA637AU D 所有无铅库存$0.00OPA637BP P 所有无铅无偏好** 库存$0.00OPA656- 宽带单位增益稳定 FET 输入运算放大器OPA656N/250DBV 所有无铅库存$0.00 OPA656N/250G4 DBV 所有无铅库存$0.00 OPA656NB/250DBV 所有无铅库存$0.00 OPA656U D 所有无铅库存$0.00 OPA656UB D 所有无铅库存$0.00 OPA657- 1.6GHz 低噪声 FET 输入运算放大器OPA657N/250DBV 所有无铅库存$0.00 OPA657NB/250DBV 所有无铅库存$0.00 OPA657U D 暂时缺货$0.00 OPA657UB D 所有无铅库存$0.00 OPA683- 具有禁用功能的极低功耗电流反馈放大器OPA683IDBVT DBV 所有无铅/绿色环保库存$0.00 OPA684- 具有禁用功能的低功耗电流反馈运算放大器OPA684ID D 所有无铅/绿色环保库存$0.00 OPA690- 具有禁用功能的宽带电压反馈运算放大器OPA690ID D 所有无铅/绿色环保库存$0.00 OPA690IDBVT DBV 所有无铅/绿色环保暂时缺货$0.00 OPA691- 具有禁用功能的宽带电流反馈运算放大器OPA691ID D 所有无铅/绿色环保暂时缺货$0.00 OPA692- 具有禁用功能的宽带固定增益缓冲放大器OPA692ID D 所有无铅/绿色环保库存$0.00 OPA692IDBVT DBV 所有无铅/绿色环保库存$0.00 OPA694- 宽带、低功耗、电流反馈放大器OPA694ID D 所有无铅库存$0.00 OPA695- 具有禁用功能的超宽带电流反馈运算放大器OPA695ID D 所有无铅/绿色环保库存$0.00 OPA695IDBVT DBV 所有无铅/绿色环保库存$0.00 OPA698- 单位增益稳定宽带限压放大器OPA698ID D 所有无铅/绿色环保库存$0.00 OPA699- OPA699：宽带高增益限压放大器OPA699ID D 所有无铅/绿色环保库存$0.00OPA703- 12V CMOS 轨至轨 I/O 运算放大器OPA703UA D 所有无铅/绿色环保库存$0.00 OPA703UAG4 D 所有无铅库存$0.00 OPA704- 12V CMOS 轨至轨 I/O 运算放大器OPA704PA P 所有无铅无偏好** 库存$0.00OPA704PAG4P 所有无铅库存$0.00OPA705- 12V 低成本 CMOS 轨至轨 I/O 运算放大器OPA705UA D 所有无铅库存$0.00OPA725- OPA725 和 OPA726 系列：极低噪声、高速、12V CMOS 运算放大器OPA725AID D 所有无铅/绿色环保库存$0.00OPA725AIDG4 D 所有无铅库存$0.00OPA726- OPA725 和 OPA726 系列：极低噪声、高速、12V CMOS 运算放大器OPA726AIDGKT DGK 所有无铅/绿色环保库存$0.00OPA726AIDGKTG4 DGK 所有无铅库存$0.00OPA727- 电子微调 20MHz、高精度 CMOS 运算放大器OPA727AIDGKT DGK 所有无铅/绿色环保库存$0.00OPA727AIDRBT DRB 所有无铅/绿色环保暂时缺货$0.00OPA728- 电子微调 20MHz、高精度 CMOS 运算放大器OPA728AIDGKT DGK 所有无铅/绿色环保库存$0.00OPA734- 最大漂移0.05uV/℃ 单电源 CMOS 零漂移运算放大器OPA734AID D 所有无铅库存$0.00OPA735- 最大漂移0.05uV/℃ 单电源 CMOS 零漂移系列运算放大器OPA735AID D 所有无铅库存$0.00OPA820- 单位增益稳定低噪声电压反馈运算放大器OPA820ID D 所有无铅/绿色环保暂时缺货$0.00OPA827- 低噪声、高精度、JFET 输入运算放大器OPA827AID D 所有无铅/绿色环保库存$0.00OPA832- 低功耗单电源固定增益视频缓冲放大器OPA832ID D 所有无铅库存$0.00OPA832IDBVT DBV 所有无铅/绿色环保库存$0.00OPA835- 超低功耗、轨至轨输出、负轨输入、VFB 放大器OPA835IDBVT DBV 所有无铅库存$0.00OPA842- 宽带低失真单位增益稳定的电压反馈运算放大器OPA842IDBVT DBV 所有无铅/绿色环保库存$0.00OPA842IDR D 所有无铅无偏好** 库存$0.00OPA843- 宽带低失真中等增益的电压反馈运算放大器OPA843ID D 所有无铅/绿色环保库存$0.00 OPA843IDBVT DBV 所有无铅/绿色环保库存$0.00OPA846- OPA846：宽带低噪声电压反馈运算放大器OPA846IDBVT DBV 所有无铅/绿色环保库存$0.00 OPA847- 具有关断状态的宽带超低噪声电压反馈运算放大器OPA847ID D 所有无铅/绿色环保库存$0.00 OPA847IDBVT DBV 所有无铅/绿色环保库存$0.00 OPA860- 宽带运算跨导放大器和缓冲器OPA860ID D 所有无铅/绿色环保库存$0.00 OPA875- Single 2:1 High-Speed Video MultiplexerOPA875ID D 所有无铅/绿色环保库存$0.00。
几种运算放大器的简单介绍
几种运算放大器的简单介绍学号：2120110996 姓名：肖辅荣学院：自动化学院一，通用型运算放大器μA741通用型运放是现在运用最多的运放，常用的通用型运放有μA741（单运放）、LM358（双运放）、LM324（四运放）等，下面介绍μA741的原理和功能。
如图1所示为其引脚定义图，其中，V CC+和V CC-分别为其正电源和负电源，IN+为其同相输入端，IN-为其反向输入端，OUT为其输出端，OFFSET N1和OFFEST N2为调零端。
主要参数及优点：（1）：电源电压范围宽：单电源（3～30 V），双电源（±1.5～±15 V）。
（2）：输出电压摆幅大（V CC-+1.5 V至V CC+—1.5 V）。
（3）：短路保护；（4）：芯片运行温度根据型号的不同而不同，如μA741C工作温度为0～70 °C，而μA741M 工作温度则为—55～125 °C。
=±15 V、工作温度是25 °C时，输入电压偏移为1 mV，最大为6 mV；输入（5）：V CC±电阻为2 MΩ；输出电阻为7 Ω；无负载时功率损失为50 mW；共模抑制比为90 dB；共模输入电压范围为±13 V；短路输出电流为±25 mA；上升时间为0.3 µs。
二，高阻型运算放大器CA3130是一种集合了CMOS管和双极性晶体管的双重优势的运算放大器。
其输入端为PMOS晶体管，这种结构可以提供非常高的输入阻抗，非常低的输入电流以及非常优越的速度性能；并且可以有效地降低输入端的共模电压的影响。
其输出采用得是一对CMOS管来提供输出电流，并且能保证输出电压相对每一个电源提供端的电压偏差都在10mv之内。
而且CA3130既可以用单电源也可以双电源来供电，单电源供电范围为5v到8V，双电源供电范围为正负2.5V到正负5V之间。
该运放的引脚图如右图所示：引脚1,5为偏置输入，3,2为同相反相输入，7,4为电源输入引脚，8为输出滤波，6输出。
模拟电子系统专题B_03_简易电子秤_西安交通
2012全国大学生电子设计竞赛TI杯模拟电子系统设计专题邀请赛报告简易电子称西安交通大学乔思祎鲁润道薛琼简易电子称设计报告摘要：本系统以MSP430F5529单片机为控制核心，运用称重传感器、运算放大器等器件，设计并实现了一个简易电子秤，具有“称重”“计价”“去皮”“休眠”“唤醒”等功能。
具体来说，采用电阻应变片称重传感器将砝码重量变化转换为电压信号的变化，并用精密仪表放大器放大信号，再经过进一步的放大与低通滤波以及A/D转化，最终将信号送往单片机处理，得到物体重量，同时，该系统还实现了通过触摸按键对电子称设置单价并计价与“去皮”功能。
关键字：MSP430F5529 称重传感器仪表放大器简易电子秤1.系统方案一．系统结构该电子简易称重系统通过电阻传感器采集由称重引起的压力变化，并转化为电压信号的变化，并用放大器放大该信号，再通过模数转换送往单片机进行处理，并对单片机辅以按键控制，以及液晶屏显示结果。
系统结构框图如图1图1 系统结构框图二．实现方案(一)传感器模块传感器模块实验中已给定，为电阻应变片称重传感器，电阻式传感器是这样一些器件，它的阻值随环境温度而变化，如本系统中的受压变形。
将其接入某一电路的某一部分，就有可能产生一个电信号，经过适当调节，这一电信号便可用于监测传感器系统的物理过程，例如本例中将应变片电阻接入电桥中，并对信号进行适当处理便可用以测量传感器所承受的砝码的重量进而实现“计价”等功能。
(二)信号放大模块方案一：采用一级集成仪表放大器实现。
因为仪表放大器具有高对称性、高共模抑制比等优点，因此常用于工业测量现场,因此适用于该电子称系统。
同时TI公司提供的集成仪表放大器具有最高可至10000倍的增益，足以满足系统对放大倍数的要求。
但根据实际测试，当放大倍数很大时电路很不稳定，系统对于外界干扰十分敏感，因而不予采用。
方案二：考虑到系统的稳定性以及准确性，放大电路应采用多级电路来实现且第一级放大电路增益不宜过高。
opa374
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道康宁734技术参数
道康宁734技术参数
道康宁734是一款领先的医疗设备，具有高度精准的技术参数，让医疗工作者能够更好地进行诊断和治疗工作。
下面就道康宁734技术参数进行简要介绍。
首先，道康宁734拥有高分辨率的成像技术。
其影像分辨率可达到XX像素，能够清晰地显示患者的内部器官结构和病变情况，为医生提供了更准确的诊断依据。
其次，道康宁734还具备多种成像模式。
除了常规的B超模式外，还支持彩色多普勒、血流成像等多种模式，从不同角度和维度观察患者的病变情况，为医生提供了更全面的信息。
另外，道康宁734还采用了先进的数字信号处理技术。
通过数字化的处理方式，可以减少信号的干扰和失真，保证成像的准确性和稳定性。
此外，道康宁734还具备智能化的辅助诊断功能。
其内置了丰富的医学数据库和算法，能够自动识别和量化患者的病变情况，为医生提供了更快速和准确的诊断结果。
最后，道康宁734还具有便捷的操作界面和人性化的设计。
其操作界面简单直观，各项功能设置合理，医生可以快速上手并进行操作，提高了工作效率。
综上所述，道康宁734凭借其高分辨率的成像技术、多种成像模式、数字信号处理技术、智能化的辅助诊断功能以及便捷的操作界面，成为了医疗领域中的一款领先产品，为医生的诊断和治疗工作提供了强大的支持。
相信在未来的发展中，道康宁734将会继续发挥重要的作用，为患者的健康和医疗事业的发展做出更大的贡献。
运放的失调电压以及计算
在运放的应用中，不可避免的会碰到运放的输入失调电压Vos问题，尤其对直流信号进行放大时，由于输入失调电压Vos的存在，放大电路的输出端总会叠加我们不期望的误差。
举个简单，老套，而经典的例子，由于输入失调电压的存在，会让我们的电子秤在没经调校时，还没放东西，就会有重量显示。
我们总不希望，买到的重量与实际重有差异吧，买苹果差点还没什么，要是买白金戒指时，差一克可是不少的money哦。
下面介绍一下运放的失调电压，以及它的计算。
最后再介绍一些TI的低输入失调电压运放。
理想情况下，当运放两个输入端的输入电压相同时，运放的输出电压应为0V，但实际情况确是，即使两输入端的电压相同，放大电路也会有一个小的电压输出。
如下图，这就是由运放的输入失调电压引起的。
当然严格的定义应为，为了使运放的输出电压等于0，必需在运放两个输入端加一个小的电压。
这个需要加的小电压即为输入失调电压Vos。
注意，是为了使出电压为0，而加的输入电压，而不是输入相同时，输出失调电压除以增益（微小区别）。
运放的输入失调电压来源于运放差分输入级两个管子的不匹配。
如下图。
受工艺水平的限制，这个不匹配是不可避免的。
差分输入级的不匹配是个坏孩子，它还会引起很多其他的问题，以后介绍。
输入失调电压定义：为了使输出电压为0，必须在运放两个输入端加一个小电压，这个电压就是输入失调电压。
输入失调电压来源跟输入偏置电流一样，在于运放差分输入级两个管子的不匹配。
两个管子的匹配度在一定范围内和管子面积的平方根成正比，就是说匹配度提高到原来的两倍，面积就是原来的四倍。
当达到一定水平后，增加面积也不行了。
而且增加面积会增加成本，所以常用的方法是在运放生成出来后再进行测试，然后再trim（调校），这样能使运放精度大大提高。
由于调试的成本导致高精度运放价格也更高。
再说两个重要参数，首先是失调电压的温漂，即失调电压的大小会随着温度变化而变化。
失调电压温漂定义为：△Vos / △T = ［Vos（T）–Vos（25℃）］/ （T - 25℃）还有一个就是输入失调电压的长期漂移，一般会给出类似于uV/1000hours或uV/month 的单位。
斩波稳零运算放大器原理介绍
Chopper architectures
• Auto-nulling (auto-zero) • Synchronous switching (True chopper) • Single vs. compound
Chopping Defined
• A Chopper (or commutating) amp modulates the input to create an AC signal that can be amplified with and AC amp, then it demodulates the AC back to DC. How often? 100 Hz – 25,000 KHz is commonly seen.
© 2004 National Semiconductor Corporation
Amplifier Input Noise
Vn Some Amplifier
1/f corner Freq Domain
© 2004 National Semiconductor Corporation
Amplifier Input Noise Plot
• Differences in the doping of the input stage transistors.
• Differences in the thickness of the base diffusion of the input stage transistors.
• Current mirror inaccuracies. • Resistor mismatch. • Packaging/mounting stress. • Dynamic considerations: Thermal and light
高电压运算放大器——型号列表
高电压运算放大器——型号列表 制造商产品类别 产品型号 产品描述 LM258P 双路,低失调,OP NE5532P双路低噪声,高速音频OP NE5534P单路,低噪声,高速音频OP OPA129U超低偏置电流DIFET 运放 OPA2137PA低成本,FET 输入双路运放 OPA2227UA双路,精密,低噪音运放 OPA2743PA双路,高速,高电压,满幅输入输出,单电源供电 OPA2743UA双路,高速,高电压,满幅输入输出,单电源供电 OPA4131NA四路FET 输入运放 OPA4137UA低成本FET 输入运放 OPA4227PA四路,精密,低噪音运放 OPA4234U四路,精密,低功耗,单电源供电运放 OPA4234UA四路,精密,低功耗,单电源供电运放 OPA4743UA四路,高速,高电压,满幅输入输出,单电源供电 OPA637AP精密,高速,Difet 运放 OPA743UA高速,高电压,满幅输入输出,单电源供电运放 TLC071CD单通道高速单电源供给满幅运放 TLC072CD双通道高速单电源供给满幅运放 TLC072CP双通道高速单电源供给满幅运放 TLC074CD四通道高速单电源供给满幅运放 TLC074CN四通道高速单电源供给满幅运放 TLC074ID四通道高速单电源供给满幅运放 TLC074IN四通道高速单电源供给满幅运放 TLC2272CD双路,低噪声,满电源幅度运放 TLC2272CP双路,低噪声,满电源幅度运放 TLC2274CN四路,低噪声,满电源幅度运放 TLC2652CN先进的LINCMOS 精密斩波稳定运放 TLC2652CP先进的LINCMOS 精密斩波稳定运放 TLC2652I-8D先进的LIN CMOS 精密斩波稳定运放 TLC2652I-8DR先进的LIN CMOS 精密斩波稳定运放 TLC2654ACP先进的LINCMOS 低噪声斩波稳定运放 TLC2654C-8D先进的LIN CMOS 低噪声斩波稳定运放 TLC2654CP先进的LINCMOS 低噪声斩波稳定运放 TLE2021ACD单路,高速,精密型,低功耗,单电源运放 TLE2021CD单路,高速,精密型,低功耗,单电源运放 TLE2021CDR单路,高速,精密型,低功耗,单电源运放 TLE2021CP单路,高速,精密型,低功耗,单电源运放 TI 公司 高电压运算放大器 TLE2022ACD 双路精密型,低功耗,单电源运放TLE2022CP 双路精密型,低功耗,单电源运放TLE2024ACDW 四路精密型,低功耗,单电源运放TLE2024CN 四路精密型,低功耗,单电源运放TLE2027CD 增强型低噪声高速精密运放TLE2071CP 低噪声,高速JFET输入运放TLE2072CD 双路低噪声,高速JFET输入运放TLE2072CDR 双路低噪声,高速JFET输入运放TLE2072CP 双路低噪声,高速JFET输入运放TLE2074CDW 四低噪声高速JFET输TLE2074CN 四低噪声高速JFET输入的运放TLE2082CP 双路低噪声,高速JFET输入运放TLE2084CN 四路高速,JFET输入运放TLE2141CD 增强型低噪声高速精密运放TLE2141CP 增强型低噪声高速精密运放TLE2141ID 增强型低噪声高速精密运放TLE2142CD 双路低噪声,高速,精密型,单电源运放 TLE2142CP 双路低噪声,高速,精密型,单电源运放 TLE2142IP 双路低噪声,高速,精密型,单电源运放 TLE2144CN 低噪声,高速,精密型,单电源双运放。
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proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes couldFrequency (Hz)11k10k10100100k1s/divSAMPLING FREQUENCY vs TEMPERATUREV =12V504030SMALL−SIGNAL OVERSHOOT o o t (%)PACKAGING INFORMATIONOrderable Device Status(1)PackageType PackageDrawingPins PackageQtyEco Plan(2)Lead/Ball Finish MSL Peak Temp(3)OPA2734AIDGSR ACTIVE MSOP DGS102500Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA2734AIDGSRG4ACTIVE MSOP DGS102500Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA2734AIDGST ACTIVE MSOP DGS10250Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA2734AIDGSTG4ACTIVE MSOP DGS10250Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA2735AID ACTIVE SOIC D875Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA2735AIDG4ACTIVE SOIC D875Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA2735AIDGKR ACTIVE MSOP DGK82500Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA2735AIDGKRG4ACTIVE MSOP DGK82500Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA2735AIDGKT ACTIVE MSOP DGK8250Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA2735AIDGKTG4ACTIVE MSOP DGK8250Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA2735AIDR ACTIVE SOIC D82500Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA2735AIDRG4ACTIVE SOIC D82500Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA734AID ACTIVE SOIC D875Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA734AIDBVR ACTIVE SOT-23DBV62500Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA734AIDBVRG4ACTIVE SOT-23DBV62500Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA734AIDBVT ACTIVE SOT-23DBV6250Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA734AIDBVTG4ACTIVE SOT-23DBV6250Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA734AIDG4ACTIVE SOIC D875Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA734AIDR ACTIVE SOIC D82500Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA734AIDRG4ACTIVE SOIC D82500Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA735AID ACTIVE SOIC D875Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA735AIDBVR ACTIVE SOT-23DBV53000Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA735AIDBVRG4ACTIVE SOT-23DBV53000Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA735AIDBVT ACTIVE SOT-23DBV5250Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA735AIDBVTG4ACTIVE SOT-23DBV5250Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROrderable Device Status(1)PackageType PackageDrawingPins PackageQtyEco Plan(2)Lead/Ball Finish MSL Peak Temp(3)OPA735AIDG4ACTIVE SOIC D875Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA735AIDR ACTIVE SOIC D82500Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAROPA735AIDRG4ACTIVE SOIC D82500Green(RoHS&no Sb/Br)CU NIPDAU Level-2-260C-1YEAR(1)The marketing status values are defined as follows:ACTIVE:Product device recommended for new designs.LIFEBUY:TI has announced that the device will be discontinued,and a lifetime-buy period is in effect.NRND:Not recommended for new designs.Device is in production to support existing customers,but TI does not recommend using this part in a new design.PREVIEW:Device has been announced but is not in production.Samples may or may not be available.OBSOLETE:TI has discontinued the production of the device.(2)Eco Plan-The planned eco-friendly classification:Pb-Free(RoHS),Pb-Free(RoHS Exempt),or Green(RoHS&no Sb/Br)-please check /productcontent for the latest availability information and additional product content details.TBD:The Pb-Free/Green conversion plan has not been defined.Pb-Free(RoHS):TI's terms"Lead-Free"or"Pb-Free"mean semiconductor products that are compatible with the current RoHS requirements for all6substances,including the requirement that lead not exceed0.1%by weight in homogeneous materials.Where designed to be soldered at high temperatures,TI Pb-Free products are suitable for use in specified lead-free processes.Pb-Free(RoHS Exempt):This component has a RoHS exemption for either1)lead-based flip-chip solder bumps used between the die and package,or2)lead-based die adhesive used between the die and leadframe.The component is otherwise considered Pb-Free(RoHS compatible)as defined above.Green(RoHS&no Sb/Br):TI defines"Green"to mean Pb-Free(RoHS compatible),and free of Bromine(Br)and Antimony(Sb)based flame retardants(Br or Sb do not exceed0.1%by weight in homogeneous material)(3)MSL,Peak Temp.--The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications,and peak solder temperature.Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided.TI bases its knowledge and belief on information provided by third parties,and makes no representation or warranty as to the accuracy of such information.Efforts are underway to better integrate information from third parties.TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive 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3.2 3.1 1.39 4.08.0Q3OPA735AIDBVT SOT-23DBV 5250180.08.4 3.2 3.1 1.39 4.08.0Q3OPA735AIDR SOIC D 82500330.012.4 6.4 5.2 2.18.012.0Q1*All dimensions are nominalDevice Package Type Package Drawing Pins SPQ Length(mm)Width(mm)Height(mm) OPA2734AIDGST MSOP DGS10250190.5212.731.8 OPA2735AIDGKR MSOP DGK82500346.0346.029.0 OPA2735AIDGKT MSOP DGK8250190.5212.731.8 OPA2735AIDR SOIC D8*******.0346.029.0 OPA734AIDBVR SOT-23DBV62500190.5212.731.8 OPA734AIDBVT SOT-23DBV6250190.5212.731.8 OPA734AIDR SOIC D8*******.0346.029.0 OPA735AIDBVR SOT-23DBV53000190.5212.731.8 OPA735AIDBVT SOT-23DBV5250190.5212.731.8 OPA735AIDR SOIC D8*******.0346.029.0IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries(TI)reserve the right to make corrections,modifications,enhancements,improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.Customers should obtain the latest relevant information before placing orders and should verify 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