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LMH0318

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3G HD/SD SDI reclocker with integrated cable driver

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Data sheet

LMH0318

ACTIVE
Data sheet Order now

Product details

Function Cable driver, Reclocker, Reclocker with cable driver Supply voltage (V) 2.5 Power consumption (mW) 300 Data rate (max) (Mbps) 2970 Control interface SMBus, SPI Operating temperature range (°C) -40 to 85
Function Cable driver, Reclocker, Reclocker with cable driver Supply voltage (V) 2.5 Power consumption (mW) 300 Data rate (max) (Mbps) 2970 Control interface SMBus, SPI Operating temperature range (°C) -40 to 85
WQFN (RTW) 24 16 mm² 4 x 4
  • Supports ST 424(3G), 292(HD), 259(SD), MADI, and
    DVB-ASI
  • Locks to rates 2.97 Gbps, 1.485 Gbps, or Divided
    by 1.001 sub-rates, and DVB-ASI
  • Reference-free Operation with Fast Lock Time
    covering all Supported or Selected Data Rates
  • 75 Ω and 100 Ω Transmitter Outputs
  • Integrated 2:1 Mux Input, 1:2 Demux/Fanout
    Outputs
  • Automatic Slew Rate Based on Input Rate Detect
  • On-chip Eye Monitor
  • Low 300 mW Power Consumption With Automatic
    Power Down On Loss Of Input Signal
  • Programmable via SPI, Or SMBus Interface
  • Single 2.5 V Supply Operation
  • Small 4 mm × 4 mm 24-pin QFN Package
  • -40°C to +85°C Operating Temperature Range
  • Footprint compatible with LMH1218 for easy
    upgrade to 12G
  • Supports ST 424(3G), 292(HD), 259(SD), MADI, and
    DVB-ASI
  • Locks to rates 2.97 Gbps, 1.485 Gbps, or Divided
    by 1.001 sub-rates, and DVB-ASI
  • Reference-free Operation with Fast Lock Time
    covering all Supported or Selected Data Rates
  • 75 Ω and 100 Ω Transmitter Outputs
  • Integrated 2:1 Mux Input, 1:2 Demux/Fanout
    Outputs
  • Automatic Slew Rate Based on Input Rate Detect
  • On-chip Eye Monitor
  • Low 300 mW Power Consumption With Automatic
    Power Down On Loss Of Input Signal
  • Programmable via SPI, Or SMBus Interface
  • Single 2.5 V Supply Operation
  • Small 4 mm × 4 mm 24-pin QFN Package
  • -40°C to +85°C Operating Temperature Range
  • Footprint compatible with LMH1218 for easy
    upgrade to 12G

The LMH0318 is a 3 Gbps HD/SD SDI Reclocker with Integrated Cable Driver designed to drive serial video data compatible to SMPTE-SDI and DVB-ASI standards. The clock and data recovery circuit eliminates accumulated jitter and detects the incoming data rate without requiring an external reference clock. The integrated driver with 75 ohm and 50 ohm outputs enables multiple media options such as coax and FR4 PCB.

The integrated 2-to-1 MUX on the input of the LMH0318 enables selection between two video sources, while the programmable equalizer compensates for the PC board loss to extend signal reach. With a wide range clockand- data recovery (CDR) circuit, the on-chip reclocker automatically detects and locks to serial data from 270 Mbps to 2.97 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 ST 424, 344, 292, and 259 standards.

A non-disruptive eye monitor allows for real-time measurement of serial data to simplify system startup or field tuning. The LMH0318 is pin compatible with the LMH1218, 12 Gbps Cable Driver with Integrated Reclocker.

The LMH0318 is a 3 Gbps HD/SD SDI Reclocker with Integrated Cable Driver designed to drive serial video data compatible to SMPTE-SDI and DVB-ASI standards. The clock and data recovery circuit eliminates accumulated jitter and detects the incoming data rate without requiring an external reference clock. The integrated driver with 75 ohm and 50 ohm outputs enables multiple media options such as coax and FR4 PCB.

The integrated 2-to-1 MUX on the input of the LMH0318 enables selection between two video sources, while the programmable equalizer compensates for the PC board loss to extend signal reach. With a wide range clockand- data recovery (CDR) circuit, the on-chip reclocker automatically detects and locks to serial data from 270 Mbps to 2.97 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 ST 424, 344, 292, and 259 standards.

A non-disruptive eye monitor allows for real-time measurement of serial data to simplify system startup or field tuning. The LMH0318 is pin compatible with the LMH1218, 12 Gbps Cable Driver with Integrated Reclocker.
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Technical documentation

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Type Title Date
* Data sheet LMH0318 3 Gbps HD/SD SDI Reclocker with Integrated Cable Driver datasheet PDF | HTML 10 Sep 2015
EVM User's guide LMH0324-18EVM User Guide (Rev. A) 11 Jun 2018
Technical article Three things to consider when upgrading to 4K Ultra HD 12G-SDI interfaces PDF | HTML 13 Apr 2016
User guide LMH0318 Programming Guide 16 Sep 2015

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LMH1218EVM — LMH1218 Evaluation Module

The LMH1218EVM evaluation module provides a complete high bandwidth platform to evaluate the SDI/UHD and 10 GbE signal conditioning features of the Texas Instruments LMH1218 UHD Cable Driver with Integrated Reclocker. The LMH1218EVM can be used for standard compliance testing, performance (...)

User guide: PDF
Not available on TI.com
Support software

SIGCONARCHITECT — SigCon Architect v2.0.0.8

Supported products & hardware

Supported products & hardware

Products
PCIe, SAS & SATA ICs
DS125BR111 — 12.5-Gbps 2-channel redrivers with input equalization DS125BR401 — 2.5/5.0/8.0-Gbps 4-lane PCI Express redriver with equalization & De-Emp DS125BR401A — 12-Gbps 4-lane redriver with equalization DS125BR800A — 12.5-Gbps 8-channel redriver with input CTLE and output De-Emphasis DS125BR820 — 12-Gbps 8-channel linear redriver with equalization DS160PR412 — PCIe® 4.0, 16-Gbps, 4-channel linear redrivers with integrated 1:2 demux DS160PR421 — PCIe® 4.0 16-Gbps 4-channel linear redrivers with integrated 2:1 mux DS160PR810 — PCIe® 4.0, 16 Gbps, 8-channel linear redriver DS160PR822 — PCIe® 4.0 16-Gbps 8-channel linear redriver with four 2x2 crosspoint mux DS160PT801 — PCIe® 4.0 16-Gbps 8-Lane (16-Channel) retimer DS160UP822 — UPI 2.0 16-Gbps 8-channel linear redriver with four 2x2 crosspoint mux DS320PR810 — PCIe® 5.0, 32-Gbps, 8-channel linear redriver DS320PR822 — PCIe® 5.0, 32-Gbps, 8-channel linear redriver with four 2x2 crosspoint multiplexers DS80PCI102 — 2.5/5.0/8.0-Gbps 1-lane PCI Express redriver with equalization and De-Emphasis DS80PCI800 — 2.5/5.0/8.0-Gbps 8-channel PCI Express redriver with equalization & De-Emphasis DS80PCI810 — 2.5/5.0/8.0-Gbps 8-channel linear redriver with equalization SN75LVPE3410 — PCIe® 3.0 8-Gbps 4-Channel Linear Redriver TMUXHS4412 — 4-Channel 20-Gbps differential 2:1/1:2 mux/demux
Ethernet retimers, redrivers & mux-buffers
DS100BR111 — 10.3-Gbps ultra low power 2-ch redriver with input equalization and output de-emphasis DS100BR111A — 10.3-Gbps ultra low power 2-channel redriver with input equalization DS100BR210 — 10.3-Gbps low power 2-ch redriver w/ input equalization and output de-emphasis DS100KR800 — 10.3-Gbps 8 channel (uni-directional) redriver with EQ and DE DS125BR800 — 2.5/5.0/8.0-Gbps 8-ch PCIe redriver with de-emphasis DS125MB203 — 12.5-Gbps dual port mux and fanout buffer DS64BR111 — 6.4-Gbps ultra low power 2-channel redriver with input equalization and output de-emphasis
Serial digital interface (SDI) ICs
LMH0318 — 3G HD/SD SDI reclocker with integrated cable driver LMH1218 — 12G SDI cable driver with integrated reclocker
Hardware development
GUI for evaluation module (EVM)
SIGCONARCHITECT — SigCon Architect utility tool
Evaluation board
DS100BR111EVK — DS100BR111EVK Evaluation Module DS100BR210EVK — DS100BR210EVK Evaluation Module DS100DF410EVK — DS100DF410EVK evaluation board DS100KR800EVK — DS100KR800EVK evaluation board DS110DF111EVM — DS110DF111EVM: 8.5-11.3 Gbps Retimer Evaluation Module DS110DF410EVM — DS110DF410EVM: 8.5 to 11.3 Gbps Quad Channel Retimer with Adaptive EQ, CDR and DFE Evaluation Module DS125BR111EVM — DS125BR111EVM 12 Gbps 2-Channel Repeater with Equalization Evaluation Module DS125BR401AEVM — DS125BR401AEVM: 12-Gbps 4-Lane Repeater With Equalization Evaluation Module DS125BR820EVM — DS125BR820EVM: 12.5 Gbps 8-Channel Repeater with Equalization Evaluation Module DS125DF111EVM — DS125DF111EVM: 9.8-12.5 Gbps Retimer Evaluation Module DS125DF410EVM — DS125DF410EVM: 9.8 to 12.5 Gbps Quad Channel Retimer with Adaptive EQ, CDR and DFE Evaluation Module DS80PCI102EVK — DS80PCI102 SMA Evaluation Kit DS80PCI800EVK — DS80PCI800EVK Evaluation Module DS80PCI810EVM — DS80PCI810 Evaluation Module LMH1218EVM — LMH1218 Evaluation Module USB2ANY — USB2ANY interface adapter
Interface adapter
DPS-DONGLE-EVM — Interface adapter board for repeaters, retimers & SDI products evaluation module
Download
Support software

SIGCONARCHITECT-WRTE — SigCon Architect With RTE v2.0.0.8

Supported products & hardware

Supported products & hardware

Products
PCIe, SAS & SATA ICs
DS125BR111 — 12.5-Gbps 2-channel redrivers with input equalization DS125BR401 — 2.5/5.0/8.0-Gbps 4-lane PCI Express redriver with equalization & De-Emp DS125BR401A — 12-Gbps 4-lane redriver with equalization DS125BR800A — 12.5-Gbps 8-channel redriver with input CTLE and output De-Emphasis DS125BR820 — 12-Gbps 8-channel linear redriver with equalization DS160PR412 — PCIe® 4.0, 16-Gbps, 4-channel linear redrivers with integrated 1:2 demux DS160PR421 — PCIe® 4.0 16-Gbps 4-channel linear redrivers with integrated 2:1 mux DS160PR810 — PCIe® 4.0, 16 Gbps, 8-channel linear redriver DS160PR822 — PCIe® 4.0 16-Gbps 8-channel linear redriver with four 2x2 crosspoint mux DS160PT801 — PCIe® 4.0 16-Gbps 8-Lane (16-Channel) retimer DS160UP822 — UPI 2.0 16-Gbps 8-channel linear redriver with four 2x2 crosspoint mux DS320PR810 — PCIe® 5.0, 32-Gbps, 8-channel linear redriver DS320PR822 — PCIe® 5.0, 32-Gbps, 8-channel linear redriver with four 2x2 crosspoint multiplexers DS80PCI102 — 2.5/5.0/8.0-Gbps 1-lane PCI Express redriver with equalization and De-Emphasis DS80PCI800 — 2.5/5.0/8.0-Gbps 8-channel PCI Express redriver with equalization & De-Emphasis DS80PCI810 — 2.5/5.0/8.0-Gbps 8-channel linear redriver with equalization SN75LVPE3410 — PCIe® 3.0 8-Gbps 4-Channel Linear Redriver TMUXHS4412 — 4-Channel 20-Gbps differential 2:1/1:2 mux/demux
Ethernet retimers, redrivers & mux-buffers
DS100BR111 — 10.3-Gbps ultra low power 2-ch redriver with input equalization and output de-emphasis DS100BR111A — 10.3-Gbps ultra low power 2-channel redriver with input equalization DS100BR210 — 10.3-Gbps low power 2-ch redriver w/ input equalization and output de-emphasis DS100KR800 — 10.3-Gbps 8 channel (uni-directional) redriver with EQ and DE DS125BR800 — 2.5/5.0/8.0-Gbps 8-ch PCIe redriver with de-emphasis DS125MB203 — 12.5-Gbps dual port mux and fanout buffer DS64BR111 — 6.4-Gbps ultra low power 2-channel redriver with input equalization and output de-emphasis
Serial digital interface (SDI) ICs
LMH0318 — 3G HD/SD SDI reclocker with integrated cable driver LMH1218 — 12G SDI cable driver with integrated reclocker
Hardware development
GUI for evaluation module (EVM)
SIGCONARCHITECT — SigCon Architect utility tool
Evaluation board
DS100BR111EVK — DS100BR111EVK Evaluation Module DS100BR210EVK — DS100BR210EVK Evaluation Module DS100DF410EVK — DS100DF410EVK evaluation board DS100KR800EVK — DS100KR800EVK evaluation board DS110DF410EVM — DS110DF410EVM: 8.5 to 11.3 Gbps Quad Channel Retimer with Adaptive EQ, CDR and DFE Evaluation Module DS125BR111EVM — DS125BR111EVM 12 Gbps 2-Channel Repeater with Equalization Evaluation Module DS125BR401AEVM — DS125BR401AEVM: 12-Gbps 4-Lane Repeater With Equalization Evaluation Module DS125BR820EVM — DS125BR820EVM: 12.5 Gbps 8-Channel Repeater with Equalization Evaluation Module DS125DF410EVM — DS125DF410EVM: 9.8 to 12.5 Gbps Quad Channel Retimer with Adaptive EQ, CDR and DFE Evaluation Module DS250DF810EVM — 25 Gbps multi-rate 8-channel retimer evaluation module DS280BR820EVM — DS280BR820 28 Gbps 8-channel linear repeater evaluation module DS280MB810EVM — DS280MB810 28 Gbps 8-Channel Linear Repeater With Crosspoint Evaluation Module DS80PCI102EVK — DS80PCI102 SMA Evaluation Kit DS80PCI800EVK — DS80PCI800EVK Evaluation Module DS80PCI810EVM — DS80PCI810 Evaluation Module LMH1218EVM — LMH1218 Evaluation Module
Interface adapter
DPS-DONGLE-EVM — Interface adapter board for repeaters, retimers & SDI products evaluation module
Download
Simulation model

IBIS-AMI Model Request Form

SNLM143.PDF (25 KB) - IBIS Model
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
User guide: PDF
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Reference designs

TIDA-03028 — 3G-SDI Repeater With Reclocking Function Reference Design

This verified reference design is functionally an SDI repeater/signal conditioning solution for 3G SDI applications. This reference design is compatible with SMPTE ST-424, ST-292, and ST-259 electrical requirements.
Design guide: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
WQFN (RTW) 24 Ultra Librarian
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Information included:
  • Fab location
  • Assembly location

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