GS12090
Bidirectional 12G UHD-SDI Re-timing
Adaptive Cable Equalizer/Cable Driver
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Trace Driver Features:
Key Features
Integrated 100Ω, differential output termination
DC-coupling from 1.2V to 2.5V CML logic
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Single bidirectional 75Ω cable interface with on-chip
termination
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SMPTE ST 2082-1, ST 2081-1, ST 424, ST 292-1 and ST
259 compliant input/output
Trace Driver data output pre-emphasis to
compensate for up to 20” FR4 at 11.88Gb/s
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Multi-standard operation from 1Mb/s to 11.88Gb/s
Manual or automatic Mute or Disable on LOS
Supports re-timing for DVB-ASI at 270Mb/s and MADI
at 125Mb/s
CDR features:
Manual or automatic rate modes
Manual or automatic Re-timer Bypass
Wide-range Loop Bandwidth control
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3D Input Signal Eye Monitor
PRBS Generator and Checker
Automatic cable equalization. Typical equalized cable
lengths of Belden 1694A cable:
Re-timing at the following data rates: 125Mb/s,
270Mb/s, 1.485Gb/s, 2.97Gb/s, 5.94Gb/s, and
11.88Gb/s. This includes the f/1.001 rates.
60m at 11.88Gb/s
65m at 5.94Gb/s
160m at 2.97Gb/s
240m at 1.485Gb/s
400m at 270Mb/s
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Additional Features:
Single 1.8V power supply for analogue and digital
core
2.5V for Cable Driver output supply
1.2V, 1.8V, or 2.5V for Trace Driver output supply
GSPI serial control and monitoring interface
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Cable Equalizer Mode Features:
Manual or automatic power-down on loss of signal
Four configurable GPIO pins for control or status
monitoring
Programmable carrier detect with squelch
threshold adjustment
Wide operating temperature range: -40ºC to +85ºC
Small 6mm x 4mm 40-pin QFN
Manual and automatic Cable Equalizer bypass
Cable Driver Mode Features:
Pb-free/Halogen-free/RoHS & WEEE compliant
package
Wide swing control
Pre-emphasis to compensate for significant
insertion loss between device output and BNC
Pin compatible with the GS3590
Manual or automatic power-down on loss of signal
Manual or automatic Mute or Disable on LOS
Applications
Next-generation 12G UHD-SDI infrastructures designed to
support UHDTV1, UHDTV2, 4K D-Cinema and 3D HFR and
HDR production image formats. Typical applications:
Cameras, Switchers, Distribution Amplifiers and Routers.
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Trace Equalizer Features:
Integrated 100Ω, differential input termination
Manual or 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
GS12090
Final Data Sheet
PDS-061188
1 of 121
Semtech
Proprietary & Confidential
www.semtech.com
Rev.9
November 2018