Datasheet

AD8422 Data Sheet
Rev. 0 | Page 2 of 24
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Connection Diagram ....................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
SOIC Package ................................................................................ 3
MSOP Package .............................................................................. 5
Absolute Maximum Ratings ............................................................ 8
Thermal Resistance ...................................................................... 8
ESD Caution .................................................................................. 8
Pin Configuration and Function Descriptions ............................. 9
Typical Performance Characteristics ........................................... 10
Theory of Operation ...................................................................... 19
Architecture ................................................................................ 19
Gain Selection ............................................................................. 19
Reference Terminal .................................................................... 20
Input Voltage Range ................................................................... 20
Layout .......................................................................................... 20
Input Bias Current Return Path ............................................... 21
Input Voltages Beyond the Supply Rails .................................. 21
Radio Frequency Interference (RFI) ........................................ 22
Applications Information .............................................................. 23
Precision Bridge Conditioning ................................................. 23
Process Control Analog Input .................................................. 23
Outline Dimensions ....................................................................... 24
Ordering Guide .......................................................................... 24
REVISION HISTORY
5/13—Revision 0: Initial Version