CXD2720Q-2 Single-Chip Digital Signal Processor for Karaoke Description The CXD2720Q-2 is a digital signal processor LSI for Karaoke, suitable for use in LD/CD/CD-G/video CD and the like.
A large capacity DRAM and AD/DA converters are built in, and Karaoke functions such as key control and microphone echo are contained on a single chip.
Features • 3-channel 1-bit AD converter and decimation filter S/N ratio: 88 dB THD + N: 0.
016% Filter pass band ripple: less than ±0.
008dB Filter stop band attenuation: less than –62dB (all characteristics are typical values) • 2-channel 1-bit DA converter and oversampling filter S/N ratio: 98dB THD + N: 0.
006% Filter pass band ripple: less than ±0.
2dB Filter...

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