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CXD2724AQ-3
Single-Chip Dolby Pro Logic Surround Decoder
Description The CXD2724AQ-3 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 BNR, 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. Features • Dolby Pro Logic Surround decoding with a single chip • 2-channel 1-bit AD converter, decimation filter and prefilter operational amplifier • 4-channel 1-bit DA converter, oversampling filter and post filter • Analog switch for DSP bypass • Analog electronic attenuator (+1.5 to –29.
CXD2724AQ-3 Datasheet
