AD8141/AD8142

Rev. 0 | Page 2 of 24

TABLE OF CONTENTS

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

 

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

 

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

 

Functional Block Diagrams............................................................. 1

 

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

 

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

 

Absolute Maximum Ratings............................................................ 5

 

Thermal Resistance ...................................................................... 5

 

Maximum Power Dissipation ..................................................... 5

 

ESD Caution.................................................................................. 5

 

Pin Configurations and Function Descriptions ........................... 6

 

Typical Performance Characteristics ............................................. 8

 

Basic Test Circuit ........................................................................ 13

 

Terminology .................................................................................... 14

 

Theory of Operation ...................................................................... 15

 

Analyzing an Application Circuit............................................. 15

 

Closed-Loop Gain ...................................................................... 15

 

Calculating an Application Circuit’s Input Impedance ......... 15

 

Input Common-Mode Voltage Range in Single-Supply

Applications ................................................................................ 16

 

Terminating a Single-Ended Input .......................................... 16

 

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

 

Disable ......................................................................................... 17

 

AD8142 Sync-On-Common-Mode......................................... 17

 

Applications Information .............................................................. 18

 

Driving RGB Video Over Cat-5 Cable .................................... 18

 

Single 5 V Supply Application Information............................ 19

 

AD8142 Signal Levels on Various Supplies ............................ 20

 

Disable Feature ........................................................................... 20

 

Driving Multiple Outputs.......................................................... 21

 

Video Sync-On-Common-Mode (AD8142) .......................... 21

 

Layout and Power Supply Decoupling Considerations......... 22

 

Amplifier-to-Amplifier Isolation ............................................. 22

 

Exposed Paddle (EPAD)............................................................ 22

 

Typical AD8142 5 V Application Circuit................................ 23

 

Outline Dimensions ....................................................................... 24

 

Ordering Guide .......................................................................... 24

 

REVISION HISTORY

7/11—Revision 0: Initial Version