Overview

The LA76818A is I2C bus controller ICs that support the different TVbroadcast formats used worldwide and aim for rationalization of color TV set design, improved manufacturability, and lower total costs

Features

•Single crystal multiformat system that supports the different TV broadcast formats used worldwide Multiformat system : LA76818A (YCbCr support)

•Adjustment-free VIF/SIF, audio trap/audio bandpass filters

•Adjustment-free horizontal resonator system

•Simplified SG

•Supply voltage : VCC= 5V/9V

•VIF/SIF

Adjustment-free VCO, 4-mode audio trap/audio bandpass filter, buzz canceller

RF AGC/video level

SIF system automatic discrimination (The LA7973 is used as the automatic discrimination IC.)

•Single crystal color system: PAL, NTSC, SECAM (The LA7642N is used as the SECAM decoder.)

•Black stretch, sharpness control with coring on/off control, built-in variable Y system filters

(Y-DL and chrominance trap)

•Chrominance bandpass filter, demodulation ratio and angle control