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CXD2721Q-1 - Single-Chip Digital Signal Processor for Karaoke

General Description

The CXD2721Q-1 is a Karaoke LSI suitable for use in video CD/LD/CD-G/CD and the like.

Key Features

  • 3-channel 1-bit AD converter, decimation filter and prefilter operational amplifier S/N ratio: 92dB THD + N: 0.02% Filter pass band ripple: ±0.5dB or less Filter stop band attenuation:.
  • 41dB or less (all characteristics are typical values).
  • 2-channel 1-bit DA converter, oversampling filter and post filter S/N ratio: 97dB THD + N: 0.005% Filter pass band ripple: ±0.2dB or less Filter stop band attenuation:.
  • 41dB or less (all characteristics are typical values).

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CXD2721Q-1 Single-Chip Digital Signal Processor for Karaoke Description The CXD2721Q-1 is a Karaoke LSI suitable for use in video CD/LD/CD-G/CD and the like. A large capacity DRAM and AD/DA converters are built in, and a Karaoke mode providing simple surround and Karaoke functions such as key control, microphone echo and voice cancelling, and a music mode providing functions such as surround, parametric equalizer and bass/treble tone control are contained on a single chip. Features • 3-channel 1-bit AD converter, decimation filter and prefilter operational amplifier S/N ratio: 92dB THD + N: 0.02% Filter pass band ripple: ±0.