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The SM5950B is a digital audio signal asynchronous sample rate converter LSI. It supports 16/20/24-bit word-length input/output interface data. It also features a built-in digital de-emphasis filter and direct mute functions.

Block Diagram


Key Features

  • Left and Right(Lch/Rch) 2-channel processing
  • Input sample rate range:20kHz to 100kHz
  • Output sample rate range:30kHz to 50kHz
  • Operating sample rate conversion ratio:0.45 to 2.205-times selectable
  • Asynchronous input and output clock timing (clock inputs)
  • Package:SSOP-24-100054-1


  • Digital audio equipment-interface sample rate conversion
  • (audiovisual amplifiers, CD-R/RW, DAT, MD, DVC)
  • Recording/editing equipment sample rate conversion
  • Input data jilter elimination
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