AD8235 データシートの表示（PDF） - Analog Devices

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AD8235

40 μA Micropower Instrumentation Amplifier in WLCSP Package

Analog Devices 

AD8235

TABLE OF CONTENTS

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

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

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

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

Pin Configuration............................................................................. 1

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

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

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

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

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

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

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

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

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

REVISION HISTORY

8/09—Revision 0: Initial Version

Shutdown Feature....................................................................... 15

Layout Recommendations ........................................................ 15

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

Power Supply Regulation and Bypassing ................................ 16

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

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

RF Interference ........................................................................... 17

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

Applications Information .............................................................. 19

AC-Coupled Instrumentation Amplifier ................................ 19

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

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

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

Rev. 0 | Page 2 of 20

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