ST AN2472 handbook

This application note introduces the STMAV340 4-channel SPDT high bandwidth, low Ron switch which provides a simple, inexpensive means to switch high quality video signals without corrupting them. It is a versatile video switch which can be used in multiple applications such as televisions, notebooks, graphic cards and DVD players.


ST AN2472 handbook - cover page
Brand
STMicroelectronics
Category
Other Electronics
Document type
Application Note
Language
English
Pages
11
File format
PDF
File size
141 KB
Published
06 August, 2012
Updated
30 September, 2023
MD5 checksum
359DC859439FF014DC6CDC7583E1CEC3

About this manual

The STMAV340 is a 4-channel SPDT high bandwidth, low resistance switch designed to switch high-quality video signals without corruption. It is intended for use in applications such as televisions, notebooks, graphic cards, and DVD players. The document details the device's parameters, including on-resistance, bandwidth, cross-talk, and differential gain.

What's inside

  • Video switch parameters
  • On-resistance
  • Bandwidth
  • Cross-talk and off-isolation
  • Differential gain and phase
  • Current consumption
  • Delay measurements
  • Measurement set up
  • Advantages
  • Application information

Frequently asked questions

What is the STMAV340 and what is it used for?

The STMAV340 is a 4-channel SPDT high bandwidth, low Ro, switch used to switch high quality video signals without corrupting them in applications like televisions, notebooks, graphic cards, and DVD players.

What load resistance is required for measuring differential gain?

A load of 150 Ohm must be attached at the output when measuring differential gain.

What resistance value should be used to terminate the inputs and outputs of the switch?

The inputs and outputs of the switch have to be terminated with 75 Ohm resistors to eliminate reflections.

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