GS9064-CKDE3 Semtech

GS9064 GS9064 SD SDI Adaptive Cable Equalizer DATA SHEET KEY FEATURES DESCRIPTION SMPTE 259 and SMPTE 344 compliant The GS9064 is a second-generation high-speed bipolar integrated circuit designed to equalize and restore signals automatic cable equalization received over 75 co-axial cable at data rates from supports DVB-ASI at 270Mb/s 143Mb/s up to 540Mb/s. The GS9064 is designed to typical maximum equalized length of Belden 1694A support SMPTE 344M and SMPTE 259M and is optimized cable at 270Mb/s is 350m for performance at 270Mb/s. 50 differential output (with internal 50 pull-ups) The GS9064 features DC restoration to compensate for the cable length indicator DC content of SMPTE pathological test patterns, and output mute based on maximum cable length adjust or incorporates a Cable Length Indicator (CLI) that provides a manual override linear indication of the amount of cable being equalized. Pb-free and Green A voltage programmable mute threshold (MCLADJ) is single 3.3V power supply operation included to allow muting of the GS9064 output when a operating temperature range: 0C to +70C selected cable length is reached. This feature allows the GS9064 to distinguish between low amplitude SDI signals pin compatible with HDLINX II GS1524 multirate SDI and noise at the input of the device. The CD/MUTE pin adaptive cable equalizer provides an indication of the GS9064 mute status in addition to functioning as a mute control input. The output APPLICATIONS of the GS9064 may be forced to an active or a mute SMPTE 259M Coaxial Cable Serial Digital Interfaces condition by applying a voltage to the CD/MUTE pin. CABLE LENGTH INDICATOR/ADJUSTOR CLI CARRIER DETECT MCLADJ CD/MUTE MUTE BYPASS SDO SDI EQUALIZER DC RESTORE OUTPUT SDI SDO AGC GS9064 FUNCTIONAL BLOCK DIAGRAM Revision Date: June 2006 Document No. 22212 - 3 GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3 Tel. +1 (905) 632-2996 Fax. +1 (905) 632-5946 E-mail: info gennum.com www.gennum.comGS9064 TABLE OF CONTENTS 1. PIN OUT .......................................................................................................................................... 3 1.1 PIN ASSIGNMENT................................................................................................................ 3 1.2 PIN DESCRIPTIONS.............................................................................................................. 3 2. ELECTRICAL CHARACTERISTICS .......................................................................................................... 4 2.1 ABSOLUTE MAXIMUM RATINGS .................................................................................................................... 4 2.2 DC ELECTRICAL CHARACTERISTICS........................................................................................ 4 2.3 AC ELECTRICAL CHARACTERISTICS........................................................................................ 5 2.4 SOLDER REFLOW PROFILE.................................................................................................... 6 2.5 INPUT/OUTPUT CIRCUITS .................................................................................................... 7 2.6 TYPICAL PERFORMANCE CURVES.......................................................................................... 8 3. DETAILED DESCRIPTION..................................................................................................................... 9 3.1 SERIAL DIGITAL INPUT ......................................................................................................... 9 3.2 AUTOMATIC CABLE EQUALIZATION........................................................................................ 9 3.3 CABLE LENGTH INDICATION & CARRIER DETECT/MUTE........................................................... 9 4. APPLICATION REFERENCE DESIGN .................................................................................................... 10 4.1 PCB LAYOUT .................................................................................................................... 10 4.2 TYPICAL APPLICATION CIRCUIT ........................................................................................... 10 5. REFERENCES.................................................................................................................................. 10 6. PACKAGE & ORDERING INFORMATION............................................................................................... 11 6.1 PACKAGE DIMENSIONS...................................................................................................... 11 6.2 ORDERING INFORMATION................................................................................................... 11 7. REVISION HISTORY.......................................................................................................................... 12 2 of 12 GENNUM CORPORATION 22212 - 3