GS3441 Datasheet, PDF (3/25 Pages) Semtech Corporation – Extended Reach 3G/HD/SD Adaptive Cable Equalizer with Dual Outputs

Contents
1. Pin Out...............................................................................................................................................................4
1.1 GS3441 Pin Assignment .................................................................................................................4
1.2 GS3441 Pin Descriptions ................................................................................................................4
2. Electrical Characteristics ............................................................................................................................7
2.1 Absolute Maximum Ratings ..........................................................................................................7
2.2 DC Electrical Characteristics ........................................................................................................7
2.3 AC Electrical Characteristics ..................................................................................................... 10
3. Input/Output Circuits ............................................................................................................................... 12
4. Detailed Description.................................................................................................................................. 14
4.1 Serial Digital Inputs ...................................................................................................................... 14
4.2 Automatic (Adaptive) Cable Equalization ............................................................................. 14
4.3 Differential Digital Data Outputs ............................................................................................. 14
4.4 Programmable Squelch Adjust (SQ_ADJ) .............................................................................. 15
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) ...................................................................................................... 18
5. Application Information .......................................................................................................................... 19
5.1 High Gain Adaptive Cable Equalizers .................................................................................... 19
5.2 PCB Layout ....................................................................................................................................... 19
5.3 Typical Application Circuit ........................................................................................................ 20
6. Package & Ordering Information .......................................................................................................... 21
6.1 Package Dimensions ..................................................................................................................... 21
6.2 Packaging Data ............................................................................................................................... 21
6.3 Recommended PCB Footprint ................................................................................................... 22
6.4 Marking Diagram ........................................................................................................................... 22
6.5 Solder Reflow Profiles .................................................................................................................. 23
6.6 Ordering Information ................................................................................................................... 23
GS3441 Extended Reach 3G/HD/SD Adaptive Cable
Equalizer with Dual Outputs
Final Data Sheet Rev. 1
GENDOC-056647 May 2013
www.semtech.com
3 of 25
Proprietary & Confidential