8-Channel Video/Audio Decoder with Integrated Audio DAC

The CX25828 eight-channel video decoder was designed for surveillance applications. The CX25828 contains
eight high-quality NTSC/PAL video decoders, nine audio ADCs, and one audio DAC.

CX25828 Features
Eight High-Quality NTSC/PAL video decoders:
– Anti-aliasing filters
– 10-bit ADCs
– 5-line comb filtering
– Independent scaling
– Brightness/Contrast/Hue/Saturation/Sharpness controls
– Excellent low level-signal locking
Audio Codec
– 9 ADCs (8 ADCs for each camera input and one pair audio codec for two-way communication function)
– 1 DAC
– Support for 8/16/32/44.1/48k Hz sample rates
– 4 I2S interfaces for record, mix, cascade, and playback
– Support interleaved I2S/DSP style output
– A-law/u-law encoding
– 8/16/24 bit PCM audio data
Flexible digital video output formats
– ITU-R BT.656
– Byte-interleaved of multiple sources at 27/54/108 MHz
Programmable Motion Detection
I2C interface
9 GPIOs
The CX25828 is packaged in a 128-pin eTQFP package.