
Conexant Systems
Highly Flexible Single-Chip Video and Broadcast Audio Decoding
Conexant’s broadband communications portfolio includes a comprehensive suite of semiconductor solutions that enable the digital home and information network. The CX25840/1/2/3 is Conexant’s second generation of Audio/Video(A/V) decoders built on the success of the CX23880 family of broadcast A/V PCI decoders. These devices are optimized for the regional broadcast requirements and are pin-to-pin compatible with each other. The CX25840/1/2/3 is the smallest integrated stereo broadcast A/V decoder capable of demodulating all of the most common worldwide A/V standards.
Distinguishing Features
• Auto detection and configuration for audio/video
• Worldwide audio standards - BTSC, EIA-J, A2, NICAM, FM/AM
• Baseband audio support via I2S and AC 97
• Two 10 bit A/D
• Component video support
• Integrated anti-alias filter
• 12mm X 12mm 80-TQFP
• 4H adaptive comb
• On-chip voltage regulator
Typical Applications
• Flat panel displays
• HDTV
• TV tuners
• DVD players
• Video cameras
• Set-top boxes
• VCRs and PVRs
• Game consoles