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AD7689: Single Ended or Bipolar referenced to GND

Question asked by berge on Apr 16, 2012
Latest reply on Apr 17, 2012 by maithil

Hi!

 

In page 20 of the AD7689 both options are shown in Figs 30A and 30B.

 

If I want 8 Single Ended channels, what should I do:

- Use CFG[12:10] = 111 and leave COM open

or

- Use CFG[12:10] = 010 and connect COM to GND?

 

Thanks in advance!

Andres

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