Matrix Audio Switch Integrated Circuit

Published:2011/7/19 10:39:00 Author:Michel | Keyword: Switch Integrated Circuit | From:SeekIC

TEA6420 and TEA6430 are matrix audio switch integrated circuits produced by Thomson Company of France,which are widely used in the DLP projection TV, such as ChangHong 51PT28A DLP projection TV. First,Function Features TEA6420 and TEA6430 integrated circuit have five groups of stereo input, four groups of stereo output ends,gain control and mute control circuits, I(2)C bus decoder, power supply circuit and other auxiliary function circuit. Its intergrated block inside circuit block diagram is shown as picture 1-1.Picture 1 : Inside Circuit Block Diagram of TEA6420 and TEA6430 Intergrated Block Second,Pins Functions and Data TEA6420 and TEA6430 intergrated circuits use 24 feet DIP package and their pins functions and data are shown as table 1-2.



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