Overview
Description
The TW2824 has four high quality NTSC/PAL video decoders, dual color display controllers and dual video encoders. The TW2824 contains four 10-bit analog-to-digital converters, proprietary digital gain/clamp controller, high quality Y/C separator to reduce cross-noise and high performance dual scaler to provide various pictures. Four built-in motion and blind detectors can increase the feature of the security system. The TW2824 has a flexible video display controller including QUAD and MUX basic functions. The TW2824 also has an excellent graphic overlay function which displays character/bitmap, box and mouse pointer. The TW2824 contains two video encoders with four 10-bit digital-to-analog converters for providing 2 composite or S-video outputs.
Features
- Four Video Decoders
- Accepts all NTSC/PAL standard formats with auto detection
- Integrated four anti-aliasing filters and 10-bit CMOS ADCs
- High performance adaptive comb filters for all NTSC/PAL standards
- IF compensation filter for improvement of color demodulation
- PAL delay lines for correcting PAL phase errors
- Programmable hue, saturation, contrast, brightness and sharpness
- Dual high performance horizontal and vertical scaler for each channel.
- Four built-in motion detectors with 16x12 cells and blind detectors Dual Video Controllers
- Additional 1-channel digital input for playback or cascade operation
- Full live/strobe/switch function
- Auto sequence switch with 64 queues and/or manual switch by interrupt
- Various channel attribute control
- Image enhancement for still image
- High performance 2x zoom for horizontal and vertical direction
- Supports save and recall function
- Last image capture when video-loss
- Extendable to 8-/12-/16-channel video controller using cascade connection
- Path-to-path cascade
- Character/bitmap overlay for OSD
- 16 programmable single boxes
- 4 2D arrayed boxes for motion result display
- Mouse pointer overlay Dual Video Encoders
- 2 path digital outputs with ITU-R BT.656 standards
- 2 path analog outputs with all analog NTSC/PAL standards
- Supports CVBS or S-video for each path
- Programmable bandwidth for luminance and chrominance path
- Four 10-bit video CMOS DACs
Comparison
Applications
- Security Applications
- Quad/Mux Systems
- 4/8/16 channel DVR System
- Car Rear Vision System
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 3.55 MB | |
| Product Advisory | PDF 259 KB | |
| End Of Life Notice | PDF 1.17 MB | |
| Product Change Notice | PDF 106 KB | |
| Price Increase Notice | PDF 208 KB | |
| Product Advisory | PDF 363 KB | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
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