GS2993 Datasheet, PDF (3/23 Pages) Gennum Corporation – Automatic power-down on loss of signal

Contents
1. Pin Out...............................................................................................................................................................4
1.1 GS2993 Pin Assignment .................................................................................................................4
1.2 GS2993 Pin Descriptions ................................................................................................................4
2. Electrical Characteristics ............................................................................................................................7
2.1 Absolute Maximum Ratings ..........................................................................................................7
2.2 DC Electrical Characteristics ........................................................................................................7
2.3 AC Electrical Characteristics ........................................................................................................9
3. Input/Output Circuits ............................................................................................................................... 11
4. Detailed Description.................................................................................................................................. 13
4.1 Serial Data Inputs .......................................................................................................................... 13
4.2 Cable Equalization ........................................................................................................................ 13
4.3 Serial Digital Outputs ................................................................................................................... 13
4.4 Programmable Squelch Adjust (SQ_ADJ) .............................................................................. 14
4.5 Carrier Detect, Sleep, and Auto-Sleep .................................................................................... 15
4.6 GAIN_SEL ......................................................................................................................................... 16
4.7 Adjustable Output Swing, De-Emphasis and Mute ............................................................ 16
4.8 Cable Length Indicator (CLI) ...................................................................................................... 17
5. Application Information .......................................................................................................................... 18
5.1 High Gain Adaptive Cable Equalizers .................................................................................... 18
5.2 PCB Layout ....................................................................................................................................... 18
5.3 Typical Application Circuit ........................................................................................................ 19
6. Package & Ordering Information .......................................................................................................... 20
6.1 Package Dimensions ..................................................................................................................... 20
6.2 Packaging Data ............................................................................................................................... 20
6.3 Recommended PCB Footprint ................................................................................................... 21
6.4 Marking Diagram ........................................................................................................................... 21
6.5 Solder Reflow Profiles .................................................................................................................. 22
6.6 Ordering Information ................................................................................................................... 22
GS2993 Dual Output Adaptive Cable Equalizer
Data Sheet
53966 - 4
August 2012
3 of 23
Propietary & Confidential