Overview
CXD2728Q is listed in the Logic IC category. Available datasheets include documents from Sony Corporation.
Summary
Single-Chip Dolby Pro Logic Surround Decoder
Description
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 sequencer and center channel mode control are contained on a single chip. Further, this LSI also supports Dolby 3 Stereo and Virtual Dolby Surround.
Source title
CXD2728Q Datasheet(PDF) - Sony Corporation