AD8231

Rev. 0 | Page 2 of 20

TABLE OF CONTENTS

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

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

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

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

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

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

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

Thermal Resistance ...................................................................... 7

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

Pin Configuration and Function Descriptions............................. 8

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

Instrumentation Amplifier Performance Curves..................... 9

Operational Amplifier Performance Curves .......................... 12

Performance Curves Valid for Both Amplifiers ..................... 13

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

Amplifier Architecture .............................................................. 14

Gain Selection............................................................................. 14

Reference Terminal .................................................................... 14

Layout .......................................................................................... 15

Input Bias Current Return Path ............................................... 15

RF Interference ........................................................................... 15

Common-Mode Input Voltage Range ..................................... 16

Applications Information .............................................................. 17

Differential Output .................................................................... 17

Multiplexing................................................................................ 17

Outline Dimensions ....................................................................... 18

Ordering Guide .......................................................................... 18

REVISION HISTORY

5/07—Revision 0: Initial Version