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MAX4885

Maxim Integrated Products
Part Number MAX4885
Manufacturer Maxim Integrated Products
Description Complete VGA 1:2 or 2:1 Multiplexer
Published Jun 19, 2007
Detailed Description 19-0554; Rev 0; 5/06 Complete VGA 1:2 or 2:1 Multiplexer General Description The MAX4885 integrates high-bandwidth anal...
Datasheet PDF File MAX4885 PDF File

MAX4885
MAX4885

Overview
19-0554; Rev 0; 5/06 Complete VGA 1:2 or 2:1 Multiplexer General Description The MAX4885 integrates high-bandwidth analog switches and level-translating buffers to implement a complete 1:2 or 2:1 multiplexer for VGA signals.
The device provides switching for RGB, display data channel (DDC), and horizontal and vertical synchronization (HSYNC, VSYNC) signals.
A low-noise charge pump with internal capacitors provides a boosted gate-drive voltage to improve performance of the RGB switches.
In the 1:2 multiplexer mode, HSYNC/VSYNC inputs feature level-shifting buffers to support low-voltage CMOS or standard TTL-compatible graphics controllers.
In the 2:1 multiplexer mode, the output buffers for the HSYNC/VSYNC inputs are disabled, allowing bidirectional signaling.
In both modes, DDC signals are voltage-clamped to an external voltage to provide level translation and protection.
The MAX4885 features a 5µA shutdown mode and is ESD protected to ±8kV Human Body Model (HBM) on externally routed ...


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