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仪表放大器应用工程师指南(ADI公司)

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标    签: 仪表放大器

分    享:

文档简介

仪表放大器应用工程师指南(ADI公司)

仪表放大器应用工程师指南(ADI公司):中文是第二版,英文是第三版

很地道的资料。

目录 

第I章——仪表放大器的基本原理 .....................................................................................................................1-1 

前言 .....................................................................................................................................................................1-1 

仪表放大器与运算放大器的区别是什?.........................................................................................................1-1 

信号放大与CMR .............................................................................................................................................1-1 

运算放大器与仪表放大器的CMR比 ..........................................................................................................1-3 

差分放大器 .........................................................................................................................................................1-5 

在何处使用仪表放大器和差分放大?.............................................................................................................1-5 

数据采集 .........................................................................................................................................................1-5 

医用仪器 .........................................................................................................................................................1-6 

监测和控制电子设备 .....................................................................................................................................1-6 

软件编程方面的应用 .....................................................................................................................................1-6 

音频方面的应用 .............................................................................................................................................1-6 

高速信号调理 .................................................................................................................................................1-6 

视频方面的应用 .............................................................................................................................................1-6 

功率控制方面的应用 .....................................................................................................................................1-6 

仪表放大器的外部特性 .....................................................................................................................................1-6 

表征高品质仪表放大器的其它特性是什?.....................................................................................................1-7 

高AC(和DC)CMR ..........................................................................................................................................1-7 

低失调电压和低失调电压漂移 .....................................................................................................................1-7 

匹配的高输入阻抗 .........................................................................................................................................1-8 

低输入偏置电流和低失调电流误 ...............................................................................................................1-8 

低噪声 .............................................................................................................................................................1-8 

低非线性...........................................................................................................................................................1-8 

增益选择方便 .................................................................................................................................................1-8 

充裕的带宽.......................................................................................................................................................1-8 

差分输入到单端输出的转 ...........................................................................................................................1-9 

R-R输入和输出 ..............................................................................................................................................1-9 

电源与带宽、转换速率和噪声之间的关系 ....................................................................................................1-9 

第Ⅱ章——仪表放大器的内部原 ...................................................................................................................2-1 

单运放减法器提供的仪表放大器功 ...........................................................................................................2-1 

用输入缓冲器改进简单减法 .......................................................................................................................2-1 

三运放仪表放大器 .........................................................................................................................................2-2 

三运放仪表放大器设计考 ...........................................................................................................................2-3 

基本的双运放仪表放大 ...............................................................................................................................2-4 

双运放仪表放大器——单电源共模电压制设计考 ...................................................................................2-5 

自稳零仪表放大器 .........................................................................................................................................2-6 

第Ⅲ章——单片仪表放大 ...............................................................................................................................3-1 

优于用运放构成的仪表放大 .......................................................................................................................3-1 

采用仪表放大器还是差分放大? ...............................................................................................................3-1 

单片仪表放大器设计——内部原 ...................................................................................................................3-2 

高性能仪表放大器 .........................................................................................................................................3-2 

固定增益仪表放大器 .....................................................................................................................................3-7 

低成本仪表放大器 .........................................................................................................................................3-8 

单电源仪表放大器 .........................................................................................................................................3-8 

低功耗、单电源仪表放大器 ..........................................................................................................................3-11

iii 第Ⅳ章——单片差分放大器 ..........................................................................................................................4-1 

差分(减法器)放大器 ....................................................................................................................................4-1 

高频差分(接收器)放大器 ...............................................................................................................................4-6 

第Ⅴ章——仪表放大器的应用技 ...................................................................................................................5-1 

双电源工作 .....................................................................................................................................................5-1 

单电源工作 ......................................................................................................................................................5-1 

电源旁路、解耦和稳定性问题 .........................................................................................................................5-1 

输入接地返回的重要性 ..................................................................................................................................5-1 

AC 输入耦合 .................................................................................................................................................5-2 

阻容元件匹配 .................................................................................................................................................5-2 

电缆终端 ..............................................................................................................................................................5-3

仪表放大器的输入保护基本原 .......................................................................................................................5-3 

防ESD和DC过载的输入保护 ..........................................................................................................................5-3 

用外接二极管对输入保护 ...............................................................................................................................5-5 

防ESD和瞬态过载的输入保护 .......................................................................................................................5-5 

影响DC精度的设计问题 ...................................................................................................................................5-6 

对最低限失调电压漂移的设计 .......................................................................................................................5-6 

对最低限增益漂移的设计 ...............................................................................................................................5-6 

实际解决方案 .................................................................................................................................................5-7 

方案1:采用优质的增益电阻器 .......................................................................................................................5-7 

方案2:采用固定增益的仪表放大器 ...............................................................................................................5-7 

RTI和RTO误差 .................................................................................................................................................5-7 

文件列表

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