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Details for Texas Instruments


12G-SDI Cable Driver with Integrated Reclocker
Buy Directly from Texas Instruments (990 in Stock)
$26.5000 per unit
Series Information for LMH1218RTWT - Texas Instruments


  • feature
    75-u03a9 and 100-u03a9 Transmitter Outputs
  • feature
    Automatic Slew Rate Based on Input Rate Detect
  • feature
    Integrated 2:1 Mux Input, 1:2 Demux/Fanout Outputs
  • feature
    Locks to Rates 11.88 Gbps, 5.94 Gbps, 2.97 Gbps, 1.485 Gbps, or Divided by 1.001 Sub- Rates, DVB-ASI (270 Mbps) and 10GbE (10.3125 Gbps)
  • feature
    Low 300-mW Power Consumption With Automatic Power Down on Loss of Input Signal
  • feature
    On-Chip Eye Monitor
  • feature
    Programmable Through SPI or SMBus Interface
  • feature
    Reference-Free Operation With Fast Lock Time Covering All Supported or Selected Data Rates
  • feature
    Single 2.5-V Supply Operation
  • feature
    Small 4-mm u00d7 4-mm 24-Pin WQFN Package
  • feature
    Supports ST-2082 (Proposed), ST-2081 (Proposed), SMPTE 424M, 344M, 292M, 259M, DVB-ASI, SFF-8431 (SFP+) and 10GbE Ethernet for SMPTE 2022-5/6
  • feature
    u201340u00b0C to +85u00b0C Operating Temperature Range


The LMH1218 is a low-power cable driver with integrated reclocker to drive serial video data compatible to SMPTE-SDI, SMPTE 2022-5/6, 10GbE Ethernet, and DVB-ASI standards. The LMH1218 supports up to 11.88 Gbps to enable Ultra High Definition Video for 4K/8K applications. With 75-Ω and 50-Ω transmitter outputs, the LMH1218 enables multiple media options such as coax, fiber, and FR-4 PCB. The integrated 2-to-1 MUX on the input of the LMH1218 enables selection between two video sources, while the programmable equalizer compensates for the PC board loss to extend signal reach. With a wide range clock-and-data recovery (CDR) circuit, the on-chip reclocker automatically detects and locks to serial data from 270 Mbps to 11.88 Gbps without the need for an external reference clock and loop filter component, thereby simplifying board design and lowering system cost. The reclocked serial data can be routed to either the 75-Ω or 50-Ω transmitter output, or both simultaneously (1-to-2 fanout mode). The output voltage swing is compatible to SFF-8431 (SFP+), ST2082/1 (Proposed), SMPTE 424M, 344M, 292M, and 259M standards. A non-disruptive eye monitor allows for real-time measurement of serial data to simplify system startup or field tuning. The LMH1218 can be programmed using SPI or SMBus Interface.


Video Processor Application:
10GbE for SMPTE 2022-5/6 DVB-ASI/Distribution Amplifiers UHDTV/4K/8K/HDTV/SDTV Video Processing
Supply Voltage Min:
Supply Voltage Max:
IC Mounting:
TV / Video Case Style:
No. of Pins:
Product Range:
RoHS Phthalates Compliant:
MSL 1 - Unlimited
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

Low Power Ultra HD Cable Driver 24-Pin WQFN T/R

Avnet America product

Avnet Europe

Low Power Ultra HD Cable Driver 24-Pin WQFN T/R

Avnet Europe product

Texas Instruments

12G-SDI Cable Driver with Integrated Reclocker

Texas Instruments product