AD8223

Rev. 0 | Page 2 of 20

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

Single Supply ................................................................................. 3

 

Dual Supply ................................................................................... 5

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

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

 

Input Voltage Range................................................................... 14

 

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

 

Input Protection ......................................................................... 15

 

RF Interference (RFI)................................................................. 15

 

Ground Returns for Input Bias Currents ................................ 16

 

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

 

Basic Connection ....................................................................... 17

 

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

 

Output Buffering ........................................................................ 17

 

Cables........................................................................................... 17

 

A Single-Supply Data Acquisition System .............................. 18

 

Amplifying Signals with Low Common-Mode Voltage........ 18

 

Outline Dimensions ....................................................................... 19

 

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

 

REVISION HISTORY

10/08—Revision 0: Initial Version