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Product details

Parameters

Function Equalizer Power consumption (mW) 210 Data rate (Max) (Gbps) 1.485 Control interface Pin Operating temperature range (C) 0 to 85 open-in-new Find other Serial digital interface (SDI) ICs

Package | Pins | Size

SOIC (D) 16 59 mm² 9.9 x 6 open-in-new Find other Serial digital interface (SDI) ICs

Features

  • SMPTE 292M, SMPTE 344M and SMPTE 259M Compliant
  • Supports DVB-ASI at 270 Mbps
  • Data Rates: 125 Mbps to 1.485 Gbps
  • Equalizes up to 200 Meters of Belden 1694A at 1.485 Gbps or up to 400 Meters of Belden 1694A at 270 Mbps
  • Manual Bypass, Cable Length Indicator, and Output Mute with a Programmable Threshold
  • Single-Ended or Differential Input
  • 50Ω Differential Outputs
  • Single 3.3V Supply Operation
  • 208 mW Typical Power Consumption with 3.3V Supply
  • Replaces the GS1524 and GS1524A

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Description

The LMH0034 SMPTE 292M / 259M adaptive cable equalizer is a monolithic integrated circuit for equalizing data transmitted over cable (or any media with similar dispersive loss characteristics). The equalizer operates over a wide range of data rates from 125 Mbps to 1.485 Gbps and supports SMPTE 292M, SMPTE 344M and SMPTE 259M.

The LMH0034 implements DC restoration to correctly handle pathological data conditions. DC restoration can be bypassed for low data rate applications. The equalizer is flexible in allowing either single-ended or differential input drive.

Additional features include a combined carrier detect and output mute pin which mutes the output when no signal is present. A programmable mute reference is used to mute the output at a selectable level of signal degradation. A cable length indicator is provided to determine the amount of cable being equalized.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet LMH0034 SMPTE 292M / 259M Adaptive Cable Equalizer datasheet (Rev. H) Apr. 15, 2013
Selection guides Broadcast and Professional Video Interface Solutions (Rev. E) Apr. 05, 2017
Application notes AN-1372 LMH0034 PCB Layout Techniques (Rev. B) Apr. 26, 2013
Application notes AN-1943 Understanding Serial Digital Video Bit Rates (Rev. A) Apr. 26, 2013
Application notes AN-2145 Power Considerations for SDI Products (Rev. B) Apr. 26, 2013
Application notes AN-2146 Power Design for SDI and Other Noise-Sensitive Devices (Rev. A) Apr. 26, 2013
User guides SD034EVK User's Guide Jun. 27, 2012
Application notes High-Speed Board Layout Challenges in FPGA/SDI Sub-Systems Nov. 12, 2009
Application notes Timing is Everything ‚Çô The Broadcast Video Signal Path Aug. 02, 2007
User guides Broadcast Video Owner's Manual Nov. 17, 2006

Design & development

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Design tools & simulation

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PSPICE-FOR-TI — 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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TINA-TI 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 (...)
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Reference designs

REFERENCE DESIGNS Download
SDI Video Aggregation Reference Design
TIDA-00352 This verified reference design is a complete four channel SDI aggregation and de-aggregation solution. One TLK10022 is used to aggregate four synchronous HD-SDI sources together into one 5.94 Gbps serial link. The serial data is transferred via copper or optical fiber where a second TLK10022 is used (...)
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SOIC (D) 16 View options

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