Intersil TW2968-LA1-CR

解码器视频显示器NTSC，PAL

Overview

The TW2968-LA1-CR is a low power NTSC/PAL video decoder chip that is designed for video surveillance applications. It consumes very low power in a typical composite input application. The available power down mode further reduces the power consumption. It uses the 1.0V for digital supply voltage and 3.3V for I/O and analog power. A single 27MHz crystal is all that needed to decode all analog video standards.The video decoder decodes the base-band analog CVBS into digital 8-bit 4:2:2 YCbCr for output. It consists of analog front-end with input source selection, variable gain amplifier and analog-to-digital converters, Y/C separation circuit, multi-standard color decoder (PAL BGHI, PAL M, PAL N, combination PAL N, NTSC M, NTSC 4.43) and synchronization circuitry. The Y/C separation is done with high quality adaptive 4H (5-line) comb filter for reduced cross color and cross luminance. The advanced synchronization processing circuitry can produce stable pictures for non-standard signal as well as weak signal.

Features

Tray Package

Surface Mount Mounting Type

Applications

TW2968-LA1-CR Video Processing Linear ICs applications.

• PC Standalone Video Cards
• Consumer, Professional, Automotive
• Industrial Video
• Video Capture, Editing, and Processing
• Genlock Circuits
• Surveillance & Security Video Systems
• Set-Top Boxes (STB) & Digital Video Recorders (DVR)
• Plasma Displays and Video Projectors
• Machine Vision and Inspection Systems
• Video Trigger Oscilloscopes and Waveform Monitors