LMH1297 12-G bidirectional I/O evaluation module


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The LMH1297EVM is an evaluation module (EVM) designed for high-speed performance and functional evaluation of the Texas Instruments LMH1297 12-G UHD-SDI bidirectional I/O with integrated reclocker. With this kit, you can quickly evaluate the cable reach and output signal integrity supported by the LMH1297. High-performance edge mount BNC connectors are used at the 75-Ω port for the I/O and SDI_OUT signals. The 100-Ω differential input and output ports are routed to edge mount SMA connectors to facilitate the connection to lab equipment or user systems for performance evaluation.

  • User-configurable adaptive cable equalizer or cable driver with integrated reclocker
  • Supports ST-2082-1 (12 G), ST-2081-1 (6 G), ST-424 (3 G), ST-292 (HD), ST-259 (SD)
  • Integrated reclocker locks to SMPTE video rates of 11.88 Gbps, 5.94 Gbps, 2.97 Gbps, 1.485 Gbps or divide-by-1.001 Sub-Rates and 270 Mbps
  • Programmable by SPI or SMBus interface
  • Single-supply operation: VDD = 2.5 V ± 5%
Serial digital interface (SDI) ICs
LMH0397 3G SDI bidirectional I/O with integrated reclocker LMH1208 12G UHD-SDI dual cable driver LMH1228 12G UHD-SDI dual cable driver with integrated reclocker LMH1297 12G UHD-SDI bi-directional I/O with integrated reclocker
Important note

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Evaluation board

LMH1297EVM – LMH1297 12G Bidirectional I/O Evaluation Module

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* User guide LMH1297EVM User's Guide (Rev. A) Aug. 07, 2019
Data sheet LMH1297 12G UHD-SDI Bidirectional I/O With Integrated Reclocker datasheet (Rev. D) May 12, 2020
Certificate LMH1297EVM EU Declaration of Conformity (DoC) Jan. 02, 2019

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