TDA4689 Datasheet (NXP) - Video processor

TDA4689, Video processor

The TDA4689 is a monolithic integrated circuit with a luminance and a colour difference interface for video processing in TV receivers.

Its primary function is to process the luminance and colour difference signals from a colour decoder which is equipped e.g.

with the multistandard decoder TDA4655 o

TDA4689 Features

* Operates from an 8 V DC supply

* Black level clamping of the colour difference, luminance and RGB input signals with coupling-capacitor for DC level storage

* Two analog RGB inputs, selected either by fast switch signals or via I2C-bus; brightness and contrast control of bo