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MAX3845 - DVI/HDMI 2:4 TMDS Fanout Switch and Cable Driver

Description

The MAX3845 is a TMDS® 2-to-4 fanout switch and cable driver for multimonitor distribution of DVI™ or HDMI™ signaling up to 1.65Gbps.

Both inputs and outputs are standard TMDS signaling as per DVI and HDMI standards.

Features

  • Two DVI/HDMI TMDS-Compatible Inputs and Four DVI/HDMI TMDS-Compatible Outputs.
  • Save Power by Turning Off Unused Outputs.
  • Each Output Independently Selects Input 1 or Input 2.
  • Three Preemphasis Settings Extend Cable Reach Up to 7m.
  • Operation Up to 1.65Gbps.
  • 14mm x 14mm, 100-Pin TQFP Package with Exposed Paddle for Heat Sinking.
  • 3.3V Power Supply.
  • TMDS Data (x3) and Clock (x1) Can Be Arbitrarily Assigned to the Four Identical.

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Full PDF Text Transcription

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www.DataSheet4U.com 19-0798; Rev 0; 4/07 DVI/HDMI 2:4 TMDS Fanout Switch and Cable Driver General Description The MAX3845 is a TMDS® 2-to-4 fanout switch and cable driver for multimonitor distribution of DVI™ or HDMI™ signaling up to 1.65Gbps. Both inputs and outputs are standard TMDS signaling as per DVI and HDMI standards. Because TMDS links are “point-to-point,” buffering is required for fanout applications. Four DVI/HDMI TMDS outputs are provided for fanout distribution. Each TMDS output can be independently sourced from either input or can be turned off. Each TMDS input or output is composed of four differential channels that can be arbitrarily assigned to the three data signals and the 1/10th-rate clock. The data rate depends on resolution, but it can vary from 250Mbps (VGA) to 1.
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