Datasheet Intersil TW2835 — Даташит

NOT RECOMMENDED FOR NEW DESIGNS
Contact our Technical Support Center at
1-888-INTERSIL or www.intersil.com/tsc DATASHEET TW2835 FN7740
Rev. 1.00
May 22, 2017 4-Channel Video and Audio Controller for Security Applications The TW2835 has four high quality NTSC/PAL video decoders, dual color display controllers and
dual video encoders. The TW2835 contains four built-in analog anti-aliasing filters, four 10bit
Analog-to-Digital converters, and proprietary digital gain/clamp controller, high quality Y/C separator
to reduce cross-noise and high performance free scaler. Four built-in motion, blind and night
detectors can increase the feature of security system. The TW2835 has flexible video
display/record/playback controller including basic display and MUX functions. The TW2835 also has
excellent graphic overlay function that displays bitmap for OSD, single box, 2D array box, and
mouse pointer. The built-in channel ID CODEC allows auto decoding and displaying during
playback and the additional scaler on the playback supports multi-cropping function of the same
field or frame image. The TW2835 contains two video encoders with three 10bit Digital-to-Analog
converters to provide 2 composite or S-video. The TW2835 also includes audio CODEC that has
four audio Analog-to-Digital converters and one Digital-to-Analog converter. A built-in audio
controller can generate digital outputs for recording/mixing and accepts digital input for playback.
The TW2835 can be extended up to 8/16 channel video controller using chip-to-chip cascade
connection. Features
Four Video Decoders
пЃ¬ Accepts all NTSC(M/N/4.43) / PAL(B/D/G/H/I/K/L/M/N/60) standards with auto detection
пЃ¬ Integrated four video analog anti-aliasing filters and 10 bit CMOS ADCs
пЃ¬ High performance adaptive 4H comb filters for all NTSC/PAL standards …