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How to calculate the settling time and sampling rate of a multiplexer

Posted: 22 Jan 2010 ?? ?Print Version ?Bookmark and Share

Keywords:multiplexer sampling rate? calculate settling time? multiplexer switch?

A rudimentary way of calculating how long a switch or multiplexer takes to settle can be estimated by calculating the RC for the device, that is, RON x CD, and multiplying by the number of time constants for required system accuracy. This is added to the switch timing, TON, TOFF or TTRANSITION, for the switch or multiplexer.

This application note describes how to calculate the settling time of a switch and a multiplexer switch. It also discusses how to calculate the maximum sampling rate for a multiplexer.

View the PDF document for more information.

Click here to view related datasheets.





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