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Ref design for switching VGA signals in a laptop

Posted: 29 Jun 2009     Print Version  Bookmark and Share

Keywords:MAX4885E  VGA switch  ESD 

This application shows how the MAX4885E low-capacitance VGA switch can be used to perform the switching function in a laptop computer. The MAX4885E draws nearly zero current, fits into a 4mm x 4mm package, and incorporates most of the switches and active components used in a discrete implementation. All device outputs are protected to ±15kV Human Body Model (HBM) so that the designer can eliminate many ESD components, thereby reducing cost and saving board space. An application circuit shows the MAX4885E used for VGA signal switching between a laptop and docking station.

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