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AD8221 gain smaller than 1

Question asked by laia on Dec 7, 2016
Latest reply on Dec 7, 2016 by harryh

Good morning, 


I am using AD8221 in series (so one after the other) and I want to have a gain of 1, which is supposed to be the smallest possible when leaving the resistance pins in open circuit. However, for some reason, I am having gains between 0.8 and 0.95. Is this supposed to be normal or am I doing something wrong? I am powering them with an Agilent E3631A. 


Thank you,