Datasheet

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 V
PEAK
, V
POLE
, V
GAIN
, and V
OFFSET
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