GS2974A HD-LINX™ III Adaptive Cable Equalizer

Data Sheet

42216 - 3

January 2009

3 of 16

Contents

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

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

Description...........................................................................................................................................................1

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

1. Pin Out...............................................................................................................................................................4

1.1 GS2974A Pin Assignment ..............................................................................................................4

1.2 GS2974A Pin Descriptions .............................................................................................................4

2. Electrical Characteristics ............................................................................................................................6

2.1 Absolute Maximum Ratings ..........................................................................................................6

2.2 DC Electrical Characteristics ........................................................................................................6

2.3 AC Electrical Characteristics ........................................................................................................7

Test Circuit ...........................................................................................................................................................8

3. Input/Output Circuits ..................................................................................................................................8

4. Detailed Description.....................................................................................................................................9

4.1 Serial Digital Inputs .........................................................................................................................9

4.2 Cable Equalization ........................................................................................................................ 10

4.3 Programmable Maximum Cable Length Adjust (MCLADJ) ............................................. 10

4.4 Mute and Carrier Detect .............................................................................................................. 11

5. Application Information .......................................................................................................................... 12

5.1 PCB Layout ....................................................................................................................................... 12

5.2 Typical Application Circuit ........................................................................................................ 12

6. Package & Ordering Information .......................................................................................................... 13

6.1 Package Dimensions ..................................................................................................................... 13

6.2 Packaging Data ............................................................................................................................... 13

6.3 Recommended PCB Footprint ................................................................................................... 14

6.4 Marking Diagram ........................................................................................................................... 14

6.5 Solder Reflow Profiles .................................................................................................................. 15

6.6 Ordering Information ................................................................................................................... 15