CXD2728Q Datasheet (Sony Corporation) - Single-Chip Dolby Pro Logic Surround Decoder

CXD2728Q, Single-Chip Dolby Pro Logic Surround Decoder

The CXD2728Q is a CMOS LSI developed for Dolby Pro Logic Surround.

A SRAM for short delay and AD/DA converters are built in, and all functions necessary for Dolby Pro Logic Surround such as an adaptive matrix, a passive decoder including Modified Dolby B-type NR, auto input balance, a noise sequence

CXD2728Q Features

* Dolby Pro Logic Surround decoding with a single chip

* 2-channel 1-bit AD converter and decimation filter

* 4-channel 1-bit DA converter and oversampling filter

* 32K-bit SRAM for short delay

* No separation or other variance for digital processing