AD627
TABLE OF CONTENTS
Features .............................................................................................. ±
Reference Terminal .................................................................... ±6
Input Range Limitations in Single-Supply Applications....... ±6
Output Buffering ........................................................................ ±7
Input and Output Offset Errors................................................ ±7
Make vs. Buy: A Typical Application Error Budget............... ±1
Errors Due to AC CMRR .......................................................... ±9
Ground Returns for Input Bias Currents ................................ ±9
Layout and Grounding .............................................................. 20
Input Protection ......................................................................... 2±
RF Interference ........................................................................... 2±
Applications Circuits...................................................................... 22
Classic Bridge Circuit ................................................................ 22
4 to 20 mA Single-Supply Receiver.......................................... 22
Thermocouple Amplifier .......................................................... 22
Outline Dimensions....................................................................... 24
Ordering Guide .......................................................................... 24
Applications....................................................................................... ±
Functional Block Diagram .............................................................. ±
General Description......................................................................... ±
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 ........................... 1
Typical Performance Characteristics ............................................. 9
Theory of Operation ...................................................................... ±4
Using the AD627 ............................................................................ ±5
Basic Connections...................................................................... ±5
Setting the Gain .......................................................................... ±5
REVISION HISTORY
11/07—Rev. C to Rev. D
Rev. A to Rev. B
Changes to Features.......................................................................... ±
Changes to Figure 29 to Figure 34 Captions............................... ±3
Changes to Setting the Gain Section............................................ ±5
Changes to Input Range Limitations in Single-Supply
Applications Section....................................................................... ±6
Changes to Table 7.......................................................................... ±7
Changes to Figure 4±...................................................................... ±1
Changes to Figure 4 and Table I, Resulting Gain column......... ±±
Change to Figure 9 ......................................................................... ±3
11/05—Rev. B to Rev. C
Updated Format..................................................................Universal
Added Pin Configurations and Function
Descriptions Section ........................................................................ 1
Change to Figure 33 ....................................................................... ±3
Updated Outline Dimensions....................................................... 24
Changes to Ordering Guide .......................................................... 24
Rev. D | Page 2 of 24