my self prashant. Currently m working on ad7792 for temp . measurement.(RTD). using pt100(range -199.9 to 400.0), and 2 current sources, with proper connection. i am using ani+/- as diff. input. my input mv are -30mv to 217.35mv. selected 312.5mv gain.
but my adc output val not get properly.
at 0mv i can't get $8000 val in data register.
my setting as follow:
I use diff. inp. so
my config. as follow.
all values in hex.
at 0mv i get near about $0035 to $0060 data regi.val
plz help me.
plz give me solution.
in unipolar it's working properly! but I want in diff. inp.