Datasheet

AD8195 Data Sheet
Rev. B | Page 2 of 20
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Typical Application ........................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
TMDS Performance Specifications ............................................ 3
Auxiliary Channel Performance Specifications........................ 4
Power Supply and Control Logic Specifications ...................... 4
Absolute Maximum Ratings ............................................................ 5
Thermal Resistance ...................................................................... 5
Maximum Power Dissipation ..................................................... 5
ESD Caution .................................................................................. 5
Pin Configuration and Function Descriptions ..............................6
Typical Performance Characteristics ..............................................8
Theory of Operation ...................................................................... 13
Input Channels ........................................................................... 13
Output Channels ........................................................................ 13
Preemphasis ................................................................................ 14
Auxiliary Lines ............................................................................ 14
Applications Information .............................................................. 15
Front Panel Buffer for Advanced TV ....................................... 15
Cable Lengths and Equalization ............................................... 16
TMDS Output Rise/Fall Times ................................................. 16
PCB Layout Guidelines .............................................................. 16
Outline Dimensions ....................................................................... 19
Ordering Guide .......................................................................... 19
REVISION HISTORY
8/12—Rev. A to Re v. B
Changed Data Rate = 3 Gbps to
Data Rate = 2.25 Gbps .................................................. Throughout
Changes to Features Section, General Description Section, and
Product Highlights Section ............................................................. 1
Changes to Table 1 ............................................................................ 3
Changes to specifications statements in Typical Performance
Charac
teristics Section ..................................................................... 8
Changes to Figure 19 ...................................................................... 11
Changes to Theory of Operation Section and to
Input Channels Section .................................................................. 13
Changes to Output Channels Section .......................................... 13
Changes to Preemphasis Section .................................................. 14
Changes to Cable Lengths and Equalization Section and
PCB Layout Guidelines Section .................................................... 16
Added Unused DDC/CEC Buffers Section ................................. 18
8/11—Rev. 0 to Re v. A
Changed Data Rate = 2.25 Gbps to
Data Rate = 2.25 Gbps .................................................. Throughout
Changes to Features Section, General Description Section, and
Product Highlights Section .............................................................. 1
Changes to Table 1 ............................................................................. 3
Changes to Table 3 ............................................................................. 4
Changes to Figure 5 Caption and Figure 7 Caption ..................... 8
Added Figure 6 and Figure 8; Renumbered Sequentially ............ 8
Moved Figure 9 and Figure 11 ......................................................... 9
Changes to Figure 9 Caption and Figure 11 Caption ................... 9
Added Figure 10 and Figure 12 ....................................................... 9
Moved Figure 14 and Figure 16 .................................................... 10
Changes to Figure 14 Caption and Figure 16 Caption .............. 10
Added Figure 15 and Figure 17 .................................................... 10
Changes to Figure 18, Figure 19, and Figure 21 ......................... 11
Changes to Input Channels Section ............................................. 13
Changes to Output Channels Section .......................................... 13
Changes to Preemphasis Section .................................................. 14
Changes to Cable Lengths and Equalization Section, TMDS
Output Rise/Fall Times Section, and PCB Layout Guidelines
Section .............................................................................................. 16
Changes to Auxiliary Control Signals Section ........................... 18
8/08—Revision 0: Initial Version