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STV6437

Audio/video buffer and four-channel SD/PS/HD video filter
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The STV6437 is a fully integrated solution for filtering and buffering standard-definition, progressive-scan and high-definition signals, and buffering stereo audio signals from the MPEG decoder of a digital receiver, Blu-ray or DVD player, or iDTV plug-in.

The STV6437 embeds four buffers with low-pass filters, three for HD (selectable 7/15/30 MHz) and one for SD (7 MHz), and a dual audio amplifier that operates with either differential or single-ended inputs.

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Errata Sheet
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Data Brief

Key Features

  • I2C bus control
  • Video section:
  • Selectable 7-MHz/15-MHz/30-MHz, low-pass filters, plus bypass, on three encoder video inputs
  • 7-MHz, low-pass filter on one encoder video input
  • DC-coupled inputs
  • Each output is capable of driving an AC- or DC-coupled, 150-Ω video load at 3 V pp and CVBS output can drive a dual, 75-Ω video load
  • Fixed gain of 6 dB for each channel
  • Selective video output muting of HD and SD channels
  • Audio section:
  • Stereo sound capability
  • Differential or single-ended audio inputs
  • Audio outputs drive 2-kΩ loads at 3 V RMS
  • Selectable audio gain of 0 to 28 dB
  • Audio output muting
  • 9 V to 12 V single supply operation
  • Pop-noise suppression management
  • Low power mode
  • Audio/video standby function
  • Applications
  • Set-top boxes (IP, cable, satellite, terrestrial)
  • Integrated digital TV plug-in
  • Blu-ray and DVD players

Design Resources

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Technical Documentation

Product Specifications

Description Version Size
pdf
DB1322: Audio/video buffer and four-channel SD/PS/HD video filter
1.0 96 KB

Sample & Buy

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Part Number Marketing StatusPackagePacking TypeOrder From STUnit Price (US$)*
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Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STV6437AJActiveVFQFPN 28 5x5x1.0Tray-No availability reported, please contact our Sales officeEcopack2-
STV6437AJTActiveVFQFPN 28 5x5x1.0Tape And Reel-No availability reported, please contact our Sales officeEcopack2-

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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