AD8220

Rev. B | Page 2 of 28

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

Absolute Maximum Ratings............................................................ 8

 

ESD Caution.................................................................................. 8

 

Pin Configuration and Function Descriptions............................. 9

 

Typical Performance Characteristics ........................................... 10

 

Theory of Operation ...................................................................... 19

 

Gain Selection ............................................................................. 20

 

Layout........................................................................................... 20

 

Reference Terminal .................................................................... 21

 

Power Supply Regulation and Bypassing ................................ 21

 

Input Bias Current Return Path ............................................... 21

 

Input Protection ......................................................................... 21

 

RF Interference ........................................................................... 22

 

Common-Mode Input Voltage Range ..................................... 22

 

Driving an ADC ......................................................................... 22

 

Applications Information .............................................................. 23

 

AC-Coupled Instrumentation Amplifier ................................ 23

 

Differential Output .................................................................... 23

 

Electrocardiogram Signal Conditioning ................................. 25

 

Outline Dimensions ....................................................................... 26

 

Ordering Guide .......................................................................... 26

 

Automotive Products ................................................................. 26

 

REVISION HISTORY

5/10—Rev. A to Rev. B

Added W Grade ..................................................................Universal

Changes to Features Section and General Description Section . 1

Changes to Specifications Section and Table 1............................. 3

Changes to Table 2............................................................................ 5

Updated Outline Dimensions ....................................................... 26

Changes to Ordering Guide .......................................................... 26

Added Automotive Products Section .......................................... 26

5/07—Rev. 0 to Rev. A

Changes to Table 1.............................................................................3

Changes to Table 2.............................................................................5

Changes to Table 3.............................................................................8

Changes to Figure 6 and Figure 7................................................. 10

Changes to Figure 23 and Figure 24............................................. 13

Changes to Theory of Operation.................................................. 19

Changes to Layout .......................................................................... 20

Changes to Ordering Guide .......................................................... 26

4/06—Revision 0: Initial Version