AD8191 Analog Devices, AD8191 Datasheet - Page 2

• Manufacturer Part Number: AD8191
• Description: 4:1 DVI/HDMI Switch with Equalization Preliminary Data Sheet (Rev. PrJ, 8/2006)
• Manufacturer: Analog Devices

AD8191
TABLE OF CONTENTS
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Pin Configurations and Function Descriptions ........................... 6
Serial Interface Configuration Registers ....................................... 9
Parallel Interface Configuration Registers .................................. 13
Typical Performance Characteristics ........................................... 15
Theory of Operation ...................................................................... 16
Thermal Resistance ...................................................................... 5
Maximum Power Dissipation ..................................................... 5
ESD Caution.................................................................................. 5
High-Speed Device Modes Register .......................................... 9
Auxiliary Device Modes Register ............................................. 10
Receiver Settings Register.......................................................... 11
Input Termination Pulse Registers 1 and 2 ............................. 11
Receive Equalizer Registers 1 and 2 ......................................... 11
Transmitter Settings Register.................................................... 12
High-Speed Device Modes Register ........................................ 13
Auxiliary Device Modes Register ............................................. 13
Receiver Settings Register.......................................................... 13
Input Termination Pulse Registers 1 and 2 ............................. 13
Receive Equalizer Registers 1 and 2 ......................................... 13
Transmitter Settings Register.................................................... 14
Introduction ................................................................................ 16
Input Channels............................................................................ 16
Rev. PrJ | Page 2 of 29
Serial Control Interface ................................................................. 18
Parallel Control Interface .............................................................. 20
PCB Layout Guidelines.................................................................. 21
Application notes............................................................................ 24
Outline Dimensions ....................................................................... 26
Output Channels ........................................................................ 16
AD8191 High Speed Switching Modes ................................... 17
Auxiliary Switch ......................................................................... 17
Reset ............................................................................................. 18
Write Procedure.......................................................................... 18
Read Procedure........................................................................... 19
TMDS Signals ............................................................................. 21
Layout for the TMDS Signals ................................................... 21
Controlling the Characteristic Impedance of a TMDS
Differential Pair .......................................................................... 22
TMDS Terminations .................................................................. 22
Auxiliary Control Signals.......................................................... 22
Power Supplies ............................................................................ 23
Power Supply Bypassing ............................................................ 23
Pinout........................................................................................... 24
Cable lengths and equalization................................................. 24
Ordering Guide .......................................................................... 26
Preliminary Technical Data