AD8131

Rev. B | Page 2 of 20

TABLE OF CONTENTS

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

±DIN to ±OUT Specifications...................................................... 3

VOCM to ±OUT Specifications ..................................................... 4

±DIN to ±OUT Specifications...................................................... 5

VOCM to ±OUT Specifications ..................................................... 6

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

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

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

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

Operational Description................................................................ 15

Theory of Operation ...................................................................... 16

Analyzing an Application Circuit............................................. 16

Closed-Loop Gain ...................................................................... 16

Estimating the Output Noise Voltage ...................................... 16

Calculating the Input Impedance of an

Application Circuit..................................................................... 16

Input Common-Mode Voltage Range in

Single-Supply Applications ....................................................... 17

Setting the Output Common-Mode Voltage .......................... 17

Driving a Capacitive Load......................................................... 17

Applications..................................................................................... 18

Twisted-Pair Line Driver........................................................... 18

3 V Supply Differential A-to-D Driver.................................... 18

Unity-Gain, Single-Ended-to-Differential Driver ................. 19

Outline Dimensions ....................................................................... 20

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

REVISION HISTORY

6/05—Rev. A to Rev. B

Updated Format..................................................................Universal

Changed Upper Operating Limit .....................................Universal

Changes to Ordering Guide .......................................................... 20