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Forum Post: RE: ADS1220: Searching for advice regarding configuration of ADC ADS1220

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Hi Bob, and thank you very much for your reply. After I wrote here, I continued using a good amount of hours reading through these forums and the datasheet, and were able to write to the config registers - and correctly reading them. My issue now is that I can't figure out which pins I need to use for inputs. I need two differential inputs for wheatstone bridges, and this I understand i can configure myself using the config registers,, but Which of the pins are voltage reference? I though REFP0 was the positive ref, and REFN0 the negative ref. But the there's continuity from REFP0 to ground. Please let me know if you need any screen of logic analyzer results, and I will have them posted on Monday when I'm back on my desk. Best regards Sadoun

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