Datasheet

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