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About system calibration of AD7190

Question asked by diverger on Sep 1, 2017
Latest reply on Sep 4, 2017 by JellenieR

I'm using AD7190 and confused by 'system calibration' now. In the datasheet it have a table show the calibration input limitations:

 

What 'input span' mean?

 

Assume I'm using a 2.5V voltage reference. That is FS = 2.5V, and configure AD7190 to bipolar mode. Then may I use a 1V input voltage to do a system calibration?

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