Product Summary

The SAA7111WP is a Video Input Processor. It is a combination of a two-channel analog preprocessing circuit including source selection, anti-aliasing filter and ADC, an automatic clamp and gain control, a Clock Generation Circuit (CGC), a digital multi-standard decoder (PAL BGHI, PAL M, PAL N, NTSC M and NTSC N), a brightness/contrast/saturation control circuit and a colour space matrix. The CMOS circuit SAA7111WP, analog front-end and digital video decoder, is a highly integrated circuit for desktop video applications. The applications of the SAA7111WP are Desktop video, Multimedia, Digital television, Image processing, Video phone.

Parametrics

SAA7111WP absolute maximum ratings: (1)digital supply voltage:-0.5V to +6.5V; (2)analog supply voltage:-0.5V to +6.5V; (3)voltage difference between VSSAall and VSSall:100mV; (4)storage temperature:-65℃ to +150℃; (5)operating ambient temperature:0℃ to 70℃; (6)operating ambient temperature under bias:-10℃ to +80℃; (7)electrostatic discharge all pins:-2000V to +2000V.

Features

SAA7111WP features: (1)720 active samples per line on the YUV bus; (2)One user programmable general purpose switch on an output pin; (3)Built in line-21 text slicer; (4)Power-on control; (5)Switchable white peak control; (6)Two built-in analog anti-aliasing filters; (7)Two 8-bit video CMOS analog-to-digital converters(ADCs); (8)On-chip clock generator; (9)Line-locked system clock frequencies; (10)Digital PLL for H-sync processing and clock generation; (11)Requires only one crystal (24.576 MHz) for all standards; (12)Horizontal and vertical sync detection; (13)Automatic detection of 50/60 Hz field frequency and automatic switching between standards PAL and NTSC; (14)Luminance and chrominance signal processing for PAL BGHI, PAL N, PAL M, NTSC M, NTSC N and NTSC 4.43; (15)User programmable luminance peaking or aperture correction; (16)Cross-colour reduction for NTSC by chrominance comb filtering; (17)PAL delay line for correcting PAL phase errors; (18)Real time status information output (RTCO); (19)Brightness Contrast Saturation (BCS) control on-chip.

Diagrams

SAA7111WP block diagram

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