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GS3490 数据表(PDF) 2 Page - Semtech Corporation |
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GS3490 数据表(HTML) 2 Page - Semtech Corporation |
2 / 22 page GS3490 Final Data Sheet Rev. 1 GENDOC-058568 April 2014 2 of 22 Proprietary & Confidential www.semtech.com Revision History Contents 1. Pin Out .................................................................................................................................................................3 1.1 Pin Assignment ...................................................................................................................................3 1.2 Pin Descriptions ..................................................................................................................................3 2. Electrical Characteristics................................................................................................................................6 2.1 Absolute Maximum Ratings ...........................................................................................................6 2.2 DC Electrical Characteristics ...........................................................................................................6 2.3 AC Electrical Characteristics ............................................................................................................8 3. Input/Output Circuits.................................................................................................................................. 10 4. Detailed Description.................................................................................................................................... 13 4.1 Equalizer Mode ................................................................................................................................. 13 4.1.1 Equalizer Mode Enable...................................................................................................... 13 4.1.2 Serial Digital Inputs (SDI/SDI).......................................................................................... 13 4.1.3 Automatic (Adaptive) Cable Equalization .................................................................. 13 4.1.4 Carrier Detect (CD) .............................................................................................................. 14 4.1.5 Squelch Adjust (EQ_SQ_ADJ) ......................................................................................... 14 4.1.6 Differential Digital Data Outputs (DDO/DDO).......................................................... 14 4.1.7 Adjustable Output Swing, De-Emphasis and Mute (EQ_OP_CTL)..................... 15 4.2 Cable Driver Mode .......................................................................................................................... 16 4.2.1 Cable Driver Mode Enable................................................................................................ 16 4.2.2 Differential Digital Data Inputs (DDI/DDI) .................................................................. 16 4.2.3 Serial Data Outputs (SDO/SDO) ..................................................................................... 16 4.2.4 Slew Rate Selection (CD_SD_EN)................................................................................... 17 4.2.5 Output Amplitude (RSET)................................................................................................... 17 5. Application Information............................................................................................................................. 18 5.1 Typical Application Circuit ........................................................................................................... 18 5.2 PCB Layout ......................................................................................................................................... 18 6. Package & Ordering Information ............................................................................................................ 19 6.1 Package Dimensions ...................................................................................................................... 19 6.2 Packaging Data ................................................................................................................................ 20 6.3 Recommended PCB Footprint .................................................................................................... 20 6.4 Marking Diagram ............................................................................................................................. 21 6.5 Solder Reflow Profiles .................................................................................................................... 21 6.6 Ordering Information ..................................................................................................................... 21 Version ECO PCN Date Changes and/or Modifications 1 019093 — April 2014 Converted to Final Data Sheet. Updated Common Mode Voltage specifications. 0 015642 — September 2013 Updated to Preliminary Data Sheet. Default state of CD_ENABLE corrected. B 011682 — March 2013 Updates throughout the document. A 158716 — October 2012 New Document. |
类似零件编号 - GS3490 |
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类似说明 - GS3490 |
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