LMH0024

ACTIVE

3.3-V SMPTE 259M / 344M adaptive cable equalizer

Product details

Function Equalizer Supply voltage (V) 3.3 Power consumption (mW) 200 Data rate (max) (Mbps) 540 Control interface Pin Operating temperature range (°C) -40 to 85
Function Equalizer Supply voltage (V) 3.3 Power consumption (mW) 200 Data rate (max) (Mbps) 540 Control interface Pin Operating temperature range (°C) -40 to 85
SOIC (D) 16 59.4 mm² 9.9 x 6

  • SMPTE 259M and SMPTE 344M compliant
  • Supports DVB-ASI at 270 Mbps
  • Data rates: 125 Mbps to 540 Mbps
  • Equalizes up to 350 meters of Belden 1694A at 270 Mbps
  • Manual bypass, cable length indicator, and output mute
  • Single-ended or differential input
  • 50Ω differential outputs
  • Single 3.3V supply operation
  • Industrial temperature range: −40°C to +85°C
  • 198 mW typical power consumption with 3.3V supply
  • Footprint compatible with the LMH0034 and the GS9064

  • SMPTE 259M and SMPTE 344M compliant
  • Supports DVB-ASI at 270 Mbps
  • Data rates: 125 Mbps to 540 Mbps
  • Equalizes up to 350 meters of Belden 1694A at 270 Mbps
  • Manual bypass, cable length indicator, and output mute
  • Single-ended or differential input
  • 50Ω differential outputs
  • Single 3.3V supply operation
  • Industrial temperature range: −40°C to +85°C
  • 198 mW typical power consumption with 3.3V supply
  • Footprint compatible with the LMH0034 and the GS9064

  • The LMH0024 SMPTE 259M / 344M 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 540 Mbps and supports SMPTE 259M and SMPTE 344M.

    The LMH0024 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 mute pin which can be used to manually mute the output and a cable length indicator which determines the amount of cable being equalized.


    The LMH0024 SMPTE 259M / 344M 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 540 Mbps and supports SMPTE 259M and SMPTE 344M.

    The LMH0024 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 mute pin which can be used to manually mute the output and a cable length indicator which determines the amount of cable being equalized.


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    Type Title Date
    * Data sheet LMH0024 3.3V SMPTE 259M / 344M Adaptive Cable Equalizer datasheet (Rev. F) 16 May 2011
    Selection guide Broadcast and Professional Video Interface Solutions (Rev. E) 05 Apr 2017
    Application note AN-1943 Understanding Serial Digital Video Bit Rates (Rev. A) 26 Apr 2013
    Application note AN-2145 Power Considerations for SDI Products (Rev. B) 26 Apr 2013
    Application note AN-2146 Power Design for SDI and Other Noise-Sensitive Devices (Rev. A) 26 Apr 2013
    Application note High-Speed Board Layout Challenges in FPGA/SDI Sub-Systems 12 Nov 2009
    Design guide Broadcast Video Owner's Manual 17 Nov 2006

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