Cable Drivers
  • GS12090
  • Bidirectional 12G UHD-SDI Re-timing Adaptive Cable Equalizer/Cable Driver
  • GS12281
  • 12G UHD-SDI Re-timing Cable Driver
  • GS3281
  • 3G HD-SDI Re-timing Cable Driver
  • GS12181
  • 12G UHD-SDI Retiming Cable Driver
  • GS3490
  • Configurable Multi-rate 3G Cable Driver and Adaptive Equalizer
  • GS6080
  • Multi Rate 6G UHD-SDI Cable Driver
  • GS6081
  • Multi Rate 6G UHD-SDI Dual Output Cable Driver
  • GS2988
  • Multi-rate 3G SDI Cable Driver
Semtech GS12081

Semtech GS12081

12G UHD-SDI Cable Driver

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The GS12081 is a low-power, multi-rate, cable driver supporting rates up to 12G UHD-SDI. It is designed to receive 100Ohm differential input signals, and transmit the signal over 75Ohm coaxial cables. The 100Ohm trace input supports up to 17dB of insertion loss.

The device supports SMPTE ST 2082-1 (12G UHD-SDI), ST 2081-1 (6G UHD-SDI), ST 424 (3G SDI), ST 292-1 (HD-SDI) and ST 259 (SD-SDI). In addition to standard SMPTE rates, the device also supports re-timing of DVB-ASI at 270Mb/s, MADI at 125Mb/s, and 10GbE.

The two cable drivers have highly configurable pre-emphasis and swing controls to compensate for long trace and connector losses. Additionally, automatic and user selectable output slew rate control is provided for each cable driver output.

Features


  • Dual non-inverted 75Ohm cable interface with on-chip termination
  • SMPTE ST 2082-1, ST 2081-1, ST 424, ST 292-1 and ST 259 compliant input/output
  • Multi-standard operation from 1Mb/s to 11.88Gb/s
  • Cable driver mode features:
    • Wide swing control
    • Pre-emphasis to compensate for significant insertion loss between device output and BNC
    • Manual or automatic Mute or disable on LOS
  • Trace equalizer features:
    • Integrated 100Ohm, differential input termination
    • Automatic power down on loss of signal
    • Adjustable carrier detect threshold
    • DC-coupling from 1.2V to 2.5V CML logic
    • Trace equalization to compensate for up to 20” FR4 at 11.88Gb/s
    • Automatic input offset compensation
  • Single 1.8V power supply for analog and digital core
  • 2.5V or 3.3V for cable driver output supply
  • GSPI serial control and monitoring interface
  • Four configurable GPIO pins for control or status monitoring
  • Wide operating temperature range: -40ºC to +85ºC
  • 6mm x 4mm 40-pin QFN
  • Pb-free, Halogen Free, WEEE/RoHS-compliant package
  • Pin-compatible with GS12181

Applications


Next Generation 3D / 2D HFR HDTV and 2K D-Cinema, UHDTV1 and 4K D-Cinema end-equipment: Cameras, Monitors, Switchers, etc.

Next Generation 3G, 6G, and 12G UHD-SDI infrastructures designed support of UHDTV2, UHDTV1, 4K D-Cinema and 3D HFR and HDR production image formats.

Packaging

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