AD8146/AD8147/AD8148
TABLE OF CONTENTS
Features..............................................................................................1
Applications.......................................................................................1
Functional Block Diagrams.............................................................1
General Description.........................................................................1
Revision History...............................................................................2
Specifications.....................................................................................3
Absolute Maximum Ratings............................................................7
Thermal Resistance......................................................................7
ESD Caution..................................................................................7
Pin Configuration and Function Descriptions.............................8
Typical Performance Characteristics...........................................10
Theory of Operation......................................................................14
Definition of Terms....................................................................14
Analyzing an Application Circuit.............................................14
Closed-Loop Gain......................................................................14
Calculating the Input Impedance.............................................15
REVISION HISTORY
5/07—Revision 0: Initial Version
Rev. 0 | Page 2 of 24
Input Common-Mode Voltage Range in Single-Supply
Applications ................................................................................ 15
Output Common-Mode Control............................................. 15
Sync-On Common-Mode......................................................... 15
Applications..................................................................................... 16
Driving RGB Video Signals Over Category-5 UTP Cable.... 16
Video Sync-On Common-Mode.............................................. 16
Driving Two UTP Cables With One Driver........................... 18
Using the AD8146 as a Receiver............................................... 18
Output Pull-Down (OPD)........................................................ 19
Layout and Power Supply Decoupling Considerations......... 19
Driving a Capacitive Load......................................................... 19
Adding Pre-Emphasis to the AD8148..................................... 20
Exposed Paddle (EP).................................................................. 21
Outline Dimensions....................................................................... 22
Ordering Guide .......................................................................... 22