AD8221
TABLE OF CONTENTS
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
ESD Caution.................................................................................. 5
Typical Performance Characteristics ............................................. 6
Theory of Operation ...................................................................... 13
Gain Selection ............................................................................. 14
Layout........................................................................................... 14
Reference Terminal .................................................................... 15
Power Supply Regulation and Bypassing ................................ 15
Input Bias Current Return Path................................................ 15
REVISION HISTORY
Revision A
11/03—Data Sheet Changed from Rev. 0 to Rev. A
Input Protection ......................................................................... 15
RF Interference ........................................................................... 16
Precision Strain Gage................................................................. 16
Conditioning ±10 V Signals for a +5 V Differential Input
ADC ............................................................................................. 17
AC-Coupled Instrumentation Amplifier ................................ 17
Outline Dimensions ....................................................................... 18
Ordering Guide .......................................................................... 18
Change
Page
Changes to Features...............................................................................1
Changes to Specifications section .......................................................4
Change to Theory of Operation section...........................................13
Change to Gain Selection section......................................................14
Rev. A | Page 2 of 20