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AD7124-4

Question asked by bcavan on Nov 16, 2015
Latest reply on Nov 18, 2015 by jcolao

Hi, I'm trying to understand when I should and should not use an external voltage reference.

 

I'm connecting a load cell to the device as per http://www.analog.com/media/en/technical-documentation/user-guides/EVAL-AD7124-4SDZ_UG-855.pdf.  An external reference, 2.5V, is shown in this application note.  Is the internal reference just as good? If so, why not just use the internal reference voltage?  Can I set the internal reference to 2.5V.  Thanks, Brian

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