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CX25824 Datasheet PDF - Conexant Systems

Part NameDescriptionManufacturer
CX25824 4-Channel Video/Audio Decoder with Integrated Audio DAC Conexant
Conexant Systems Conexant
Other PDF  no available.
CX25824 Datasheet PDF : CX25824 pdf   
CX25824 image

The CX25824 four-channel video decoder was designed for surveillance applications. The CX25824 contains four high-quality NTSC/PAL video decoders, five audio ADCs, and one audio DAC.
The video decoders are designed with 10-bit ADCs and 5-line comb filtering for optimal luma-chroma separation to generate the highest-quality digital video output with the lowest possible noise and cross-luma/cross-chroma artifacts. They are also designed to lock to low-level inputs, as well as line locked cameras, both of which are common in video surveillance systems. Each video decoder includes a scaler for down-scaling the video, both horizontally and vertically, and controls for adjusting brightness, contrast, hue, saturation, and sharpness.

CX25824 Features
♦ Four 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
   – 5 ADCs (4 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
♦ The CX25824 is packaged in a 128-pin eTQFP package.

Applications
♦ Video Surveillance

 

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