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Predicting the DC Gain nonliniarity of an amplifier

Question asked by Dexter on Sep 15, 2011
Latest reply on Sep 15, 2011 by harryh



In the past i noticed that if I use an opamp as a buffer( A=1)  the differnce between in an output changes with the aplied voltage (DC) .

At that moment i concluded that the offset voltage is depending on the commen voltage of the inputs and that give a Nonlinearity


Is it posible to predict the "Nonlinearity" with an non-inverting opamp with and without gain?


Thanks in advance for any reaction,

Ronald Dekker