CXD2721Q-1 Datasheet (Sony Corporation) - Single-Chip Digital Signal Processor for Karaoke

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

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 func

CXD2721Q-1 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, ov