AD627 データシートの表示（PDF） - Analog Devices

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AD627

Micropower, Single- and Dual-Supply,Rail-to-Rail Instrumentation Amplifier

Analog Devices 

AD627

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Functional Block Diagram .............................................................. 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Single Supply ................................................................................. 3

Dual Supply ................................................................................... 5

Dual and Single Supplies ............................................................. 6

Absolute Maximum Ratings............................................................ 7

ESD Caution.................................................................................. 7

Pin Configurations and Function Descriptions ........................... 8

Typical Performance Characteristics ............................................. 9

Theory of Operation ...................................................................... 14

Using the AD627 ............................................................................ 15

Basic Connections ...................................................................... 15

Setting the Gain .......................................................................... 15

Reference Terminal .................................................................... 16

Input Range Limitations in Single-Supply Applications....... 16

Output Buffering ........................................................................ 17

Input and Output Offset Errors................................................ 17

Make vs. Buy: A Typical Application Error Budget............... 18

Errors Due to AC CMRR .......................................................... 19

Ground Returns for Input Bias Currents ................................ 19

Layout and Grounding .............................................................. 20

Input Protection ......................................................................... 21

RF Interference ........................................................................... 21

Applications Circuits...................................................................... 22

Classic Bridge Circuit ................................................................ 22

4 to 20 mA Single-Supply Receiver.......................................... 22

Thermocouple Amplifier .......................................................... 22

Outline Dimensions ....................................................................... 24

Ordering Guide .......................................................................... 24

REVISION HISTORY

11/07—Rev. C to Rev. D

Changes to Features.......................................................................... 1

Changes to Figure 29 to Figure 34 Captions ............................... 13

Changes to Setting the Gain Section............................................ 15

Changes to Input Range Limitations in Single-Supply

Applications Section....................................................................... 16

Changes to Table 7.......................................................................... 17

Changes to Figure 41...................................................................... 18

11/05—Rev. B to Rev. C

Updated Format..................................................................Universal

Added Pin Configurations and Function

Descriptions Section ........................................................................ 8

Change to Figure 33 ....................................................................... 13

Updated Outline Dimensions ....................................................... 24

Changes to Ordering Guide .......................................................... 24

Rev. A to Rev. B

Changes to Figure 4 and Table I, Resulting Gain column......... 11

Change to Figure 9 ......................................................................... 13

Rev. D | Page 2 of 24

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