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GS3440 Datasheet(PDF) 3 Page - Semtech Corporation |
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GS3440 Datasheet(HTML) 3 Page - Semtech Corporation |
3 / 23 page ![]() GS3440 Adaptive Cable Equalizer Final Data Sheet Rev. 2 December 2012 3 of 23 Proprietary and Confidential Contents Key Features........................................................................................................................................................1 Applications.........................................................................................................................................................1 Description...........................................................................................................................................................1 Description (continued) ...................................................................................................................................2 1. Pin Out...............................................................................................................................................................4 1.1 GS3440 Pin Assignment .................................................................................................................4 1.2 GS3440 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 Digital Inputs ...................................................................................................................... 13 4.2 Automatic (Adaptive) Cable Equalization ............................................................................. 13 4.3 Differential Digital Data Output ............................................................................................... 13 4.4 Programmable Squelch Adjust (SQ_ADJ) .............................................................................. 14 4.5 Carrier Detect, Sleep, and Auto-Sleep .................................................................................... 14 4.6 GAIN_SEL ......................................................................................................................................... 15 4.7 Adjustable Output Swing, De-Emphasis and Mute ............................................................ 15 5. Application Information .......................................................................................................................... 17 5.1 High-Gain Adaptive Cable Equalizers .................................................................................... 17 5.2 PCB Layout ....................................................................................................................................... 17 5.3 Typical Application Circuit ........................................................................................................ 18 6. Package & Ordering Information .......................................................................................................... 19 6.1 Package Dimensions ..................................................................................................................... 19 6.2 Packaging Data ............................................................................................................................... 19 6.3 Recommended PCB Footprint ................................................................................................... 20 6.4 Marking Diagram ........................................................................................................................... 20 6.5 Solder Reflow Profiles .................................................................................................................. 21 6.6 Ordering Information ................................................................................................................... 21 Appendix - Relevant Documentation...................................................................................................... 21 Revision History (Document # 56482) ..................................................................................................... 22 |
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