AD8426

Preliminary Technical Data

Rev. PrD | Page 2 of 20

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

Dual-Supply Operation ............................................................... 3

 

Single-Supply Operation ............................................................. 5

 

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

 

Thermal Resistance ...................................................................... 8

 

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

 

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

 

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

 

Theory of Operation ...................................................................... 11

 

Architecture................................................................................. 11

 

Gain Selection..............................................................................11

 

Reference Terminal .....................................................................11

 

Input Voltage Range................................................................... 12

 

Layout .......................................................................................... 12

 

Input Bias Current Return Path ............................................... 13

 

Input Protection ......................................................................... 13

 

Radio Frequency Interference (RFI)........................................ 14

 

Applications Information .............................................................. 15

 

Differential Drive ....................................................................... 15

 

Precision Strain Gage................................................................. 16

 

Driving an ADC.......................................................................... 16

 

Outline Dimensions ....................................................................... 17