Sony CXD2728Q
The CXD2728Q is a CMOS LSI developed for Dolby Pro Logic Surround.| Part No. | CXD2728Q |
|---|---|
| Datasheet | CXD2728Q Download |
| Manufacturer |  Sony |
| Description | Single-Chip Dolby Pro Logic Surround Decoder |
| Buy | Stock & Price |
DESCRIPTION
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.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
● External parts reduced due to the built-in AD/DA converters Functions
● Adaptive matrix
● Center channel mode control (Normal/Phantom/Wide)
● Dolby 3 Stereo
● Auto input balance control (ON/OFF)
● Noise sequencer
● Variable delay time (0 to 46.4ms)
● 7kHz low-pass filter (12dB/Oct)
● Modified Dolby B-type NR
● Simple SFC function
● Virtual Dolby Surr...
