AD8123

Rev. A | Page 2 of 16

TABLE OF CONTENTS

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

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

Functional Block Diagram .............................................................. 1

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

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

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

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

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

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

Pin Configuration and Function Description .............................. 6

Typical Performance Characteristics ............................................. 7

Theory of Operation ...................................................................... 10

Input Common-Mode Voltage Range Considerations ......... 10

Applications Information .............................................................. 11

Basic Operation .......................................................................... 11

Comparators ............................................................................... 11

Sync Pulse Extraction Using Comparators ............................. 12

Using the VPEAK, VPOLE, VGAIN, and VOFFSET Inputs ................... 12

Using the AD8123 with Coaxial Cable.................................... 13

Driving 75 Ω Video Cable With the AD8123 ........................ 13

Driving a Capacitive Load......................................................... 13

Filtering the RGB Outputs ........................................................ 13

Power Supply Filtering............................................................... 14

Layout and Power Supply Decoupling Considerations......... 14

Input Common-Mode Range ................................................... 15

Small Signal Frequency Response............................................ 15

Power-Down ............................................................................... 15

Outline Dimensions ....................................................................... 16

Ordering Guide .......................................................................... 16

REVISION HISTORY

11/07—Rev. 0 to Rev. A

Changes to Features.......................................................................... 1

Changes to Ordering Guide .......................................................... 16

8/07—Revision 0: Initial Version