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ST3DV520E

MUX/DEMUX for 4 differential channel LVDS and DDC

STMicroelectronics 

ST3DV520E

MUX/DEMUX for 4 differential channel LVDS and DDC

Features

■ Low RON: 4.0 Ω typical

■ VCC operating range: 3.0 to 3.6 V

■ Enhanced ESD protection: > 8 kV (contact) and

15 kV (HBM)

■ Channel on capacitance: 9.5 pF typical

■ Switching time speed: 9 ns

■ Near to zero propagation delay: 250 ps

■ Very low crosstalk: -45 dB at 250 MHz

■ Bit-to-bit skew: 200 ps

■ > 600 MHz -3 dB typical bandwidth (or data

frequency)

■ Support up to 4 differential LVDS channel

■ Support 2 channel for DDC

■ Independent SEL control for LVDS and DDC

channels

■ Package: QFN56

Applications

■ Audio/video switching

■ High bandwidth physical layer signals routing

QFN56

Description

The ST3DV520E is a 4 differential channel LVDS

multiplexer/demultiplexer low RON bidirectional

switch used to switch between multiple LVDS

sources. It is designed for very low crosstalk, low

bit-to-bit skew and low I/O capacitance, to

maintain high signal integrity.

The differential signal from the LVDS transceiver

is multiplexed into one of two selected outputs

while the unselected switch goes to Hi-Z status.

The device integrates 2 SPDT (single pole dual

throw) switches, for DDC channel.

SEL for LVDS and DDC channel is controlled

independently.

Table 1. Device summary

Order code

ST3DV520EQTR

Package

QFN56

Packing

Tape and reel

December 2010

Doc ID 18318 Rev 1

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www.st.com

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