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AD8236

40 μA Micropower Instrumentation Amplifier with Zero Crossover Distortion

Analog Devices 

AD8236

TABLE OF CONTENTS

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

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

Connection Diagram ....................................................................... 1

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

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

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

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

Maximum Power Dissipation ..................................................... 7

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

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

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

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

Basic Operation .......................................................................... 14

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

REVISION HISTORY

5/09—Revision 0: Initial Version

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

Reference Terminal .................................................................... 15

Power Supply Regulation and Bypassing ................................ 15

Input Bias Current Return Path ............................................... 16

Input Protection ......................................................................... 16

RF Interference ........................................................................... 16

Common-Mode Input Voltage Range ..................................... 17

Applications Information .............................................................. 18

AC-Coupled Instrumentation Amplifier ................................ 18

Low Power Heart Rate Monitor ............................................... 19

Outline Dimensions ....................................................................... 20

Ordering Guide .......................................................................... 20

Rev. 0 | Page 2 of 20

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