AD8222

Rev. 0 | Page 2 of 24

TABLE OF CONTENTS

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

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

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

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

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

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

Absolute Maximum Ratings............................................................ 6

Thermal Resistance ...................................................................... 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions............................. 7

Typical Performance Characteristics ............................................. 8

Theory of Operation ...................................................................... 15

Amplifier Architecture .............................................................. 15

Gain Selection ............................................................................. 15

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

Layout .......................................................................................... 16

Solder Wash................................................................................. 17

Input Bias Current Return Path ............................................... 17

Input Protection ......................................................................... 17

RF Interference ........................................................................... 18

Common-Mode Input Voltage Range ..................................... 18

Applications..................................................................................... 19

Differential Output .................................................................... 19

Driving a Differential Input ADC............................................ 20

Precision Strain Gauge .............................................................. 20

Driving Cabling .......................................................................... 21

Outline Dimensions ....................................................................... 22

Ordering Guide .......................................................................... 22

REVISION HISTORY

7/06—Revision 0: Initial Version