CMOSamplifierssufferfromrelativelypooroffsetspecifications.Sincethe1980stechniqueshavebeenexploredtocalibrateforthisoffset,ortolettheamplifieritselfcompensateforitsoffsetinsomewayoranother.Thislatterapproachisoftendonedynamicallyduringoperationoftheamplifier,hencethename“dynamicoffs