Inicio Interfaz Circuitos integrados de interfaz digital serie (SDI)

LMH0074

ACTIVO

Ecualizador de cable adaptativo SMPTE 259M/344M

Detalles del producto

Function Equalizer Power consumption (mW) 210 Data rate (max) (Mbps) 540 Control interface Pin Operating temperature range (°C) -40 to 85
Function Equalizer Power consumption (mW) 210 Data rate (max) (Mbps) 540 Control interface Pin Operating temperature range (°C) -40 to 85
WQFN (RUM) 16 16 mm² (4 mm × 4 mm)
  • SMPTE 259M and SMPTE 344M Compliant
  • Supports DVB-ASI at 270 Mbps
  • Data Rates: 125 Mbps to 540 Mbps
  • Equalizes up to 400 Meters of Belden 1694A at 270 Mbps
  • Manual Bypass and Output Mute with a Programmable Threshold
  • Single-Ended or Differential Input
  • 50Ω Differential Outputs
  • Single 3.3V Supply Operation
  • Industrial Temperature Range: −40°C to +85°C
  • 208mW Typical Power Consumption with 3.3V Supply
  • Footprint Compatible with the LMH0044 and the GS9074A

All trademarks are the property of their respective owners.

  • SMPTE 259M and SMPTE 344M Compliant
  • Supports DVB-ASI at 270 Mbps
  • Data Rates: 125 Mbps to 540 Mbps
  • Equalizes up to 400 Meters of Belden 1694A at 270 Mbps
  • Manual Bypass and Output Mute with a Programmable Threshold
  • Single-Ended or Differential Input
  • 50Ω Differential Outputs
  • Single 3.3V Supply Operation
  • Industrial Temperature Range: −40°C to +85°C
  • 208mW Typical Power Consumption with 3.3V Supply
  • Footprint Compatible with the LMH0044 and the GS9074A

All trademarks are the property of their respective owners.

The LMH0074 SMPTE 259M / 344M Adaptive Cable Equalizer is designed to equalize 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 LMH0074 implements DC restoration to correctly handle pathological data conditions. The equalizer may be driven in either a single ended or differential configuration.

Additional features include separate carrier detect and output mute pins which may be tied together to mute the output when no signal is present. A programmable mute reference is provided to mute the output at a selectable level of signal degradation.

The LMH0074 SMPTE 259M / 344M Adaptive Cable Equalizer is designed to equalize 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 LMH0074 implements DC restoration to correctly handle pathological data conditions. The equalizer may be driven in either a single ended or differential configuration.

Additional features include separate carrier detect and output mute pins which may be tied together to mute the output when no signal is present. A programmable mute reference is provided to mute the output at a selectable level of signal degradation.

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos LMH0074 SMPTE 259M / 344M Adaptive Cable Equalizer datasheet (Rev. D) 16/04/2013
Guía de selección Broadcast and Professional Video Interface Solutions (Rev. E) PDF | HTML 5/04/2017
Nota sobre la aplicación AN-2145 Power Considerations for SDI Products (Rev. B) 26/04/2013
Nota sobre la aplicación AN-2146 Power Design for SDI and Other Noise-Sensitive Devices (Rev. A) 26/04/2013
Nota sobre la aplicación AN-1943 Understanding Serial Digital Video Bit Rates (Rev. A) 26/04/2013
Nota sobre la aplicación Replacing the CLC014 Adaptive Cable Equalizer with the LMH0074 (Rev. A) 26/04/2013
Nota sobre la aplicación Replacing the CLC012 Adaptive Cable Equalizer with the LMH0074 (Rev. A) 26/04/2013
Nota sobre la aplicación High-Speed Board Layout Challenges in FPGA/SDI Sub-Systems 12/11/2009
Guía de diseño Broadcast Video Owner's Manual 17/11/2006

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