Overview

The LA7696 is a color TV on-screen display interface IC. The R, G, B graphic input signals can be used to provide channel display and the fast blanking input signal can be used to provide black-bordered character, etc. The LA7696 also contains an auto green function to make green color more vivid and a service switch function in a DIP-20 slim-type package.

Input signals are R-Y, G-Y, B-Y, and -Y and output signals are converted to R, G, B primary color signals.

Functions and Features

? The R, G, B graphic input signals can be used to provide on-screen display. The R, G, B graphic input signals can be combined to select six colors in addition to white and black.

? Fast blanking function.

? The black level and white level can be set separately, as desired, in the graphic mode.

? Output of primary color drive type (input : R-Y, G-Y, B Y, -Y).

? Excellent frequency characteristic allowing the LA7696 to be used in a high-resolution TV.

? Auto green function. Bluish green turns more vivid green.

? Service switch function. It is easy to control the screen grid.

? The LA7696 can be easily used in conjunction with the LA7650, 7680 (under development) series.