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GS1679

Gennum
Part Number GS1679
Manufacturer Gennum
Description Cable Driver
Published Apr 9, 2016
Detailed Description GS1679 Cable Driver with HD/SD Capability The GS1679 is a high-speed BiCMOS integrated circuit designed to drive one to...
Datasheet PDF File GS1679 PDF File

GS1679
GS1679

Overview
GS1679 Cable Driver with HD/SD Capability The GS1679 is a high-speed BiCMOS integrated circuit designed to drive one to four 75Ω coaxial cables.
The GS1679 can drive data rates up to 1.
485Gb/s, and provides two selectable slew rates in order to achieve compliance to SMPTE 292M, SMPTE 259M and SMPTE 344M.
The GS1679 accepts industry-standard differential input levels, including LVPECL and CML.
The DISABLE1 and DISABLE2 pins power-down the first and second output drivers respectively, leaving the serial data output in a high-impedance state.
The GS1679 features an adjustable output swing using an external bias resistor.
The single-ended output swing is adjustable from 600mVpp to 1200mVpp.
The GS1679 can be powered from either a 3.
3V or a 2.
5V supply.
Power consumption is typically 110mW using a 2.
5V power supply.
The GS1679 is forward footprint-compatible with Gennum's 3G GS2989, allowing for an easier migration of HD designs to 3G.
Key Features • SMPTE 292M, SMPTE 259M and SMPTE 344M compliant • Supports data rates from 270Mb/s to 1.
485Gb/s • Supports DVB-ASI at 270Mb/s • Dual differential coaxial-cable-driving outputs Š selectable slew rates Š adjustable output swing from 600mVpp to 1200mVpp Š DISABLE control • Wide common-mode range input buffer Š 100mV sensitivity Š Supports DC-coupling to industry-standard differential logic Š on-chip 100Ω differential data input termination • Excellent output eye quality • Power supply operation at 3.
3V or 2.
5V • 110mW power consumption (2.
5V supply) • Operating temperature range: -40°C to +85°C • Small footprint QFN package (4mm x 4mm) • Pb-free and RoHS compliant • Forward pin-compatible with Gennum's 3G GS2989 Typical Application Circuit VCC VCC_Term 10n 10n 10n GND 15 6 7 VCC 1 VCC 8 75R 5n6* SD/HD DISABLE1 DISABLE2 GND SDO1 12 4u7 75R 4u7 2 DDI SDO1 11 75R VCC_Term 75R 5n6* 4u7 VCC 3 DDI GS1679 10n GND 75R 5n6* 4 VEE 13 VEE 4u7 5 RSET R* NC NC 10 SDO2 SDO2 9 4u7 75R 75R 14 16 VCC_Term 75R ...


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