标签: oa-31

OA-31_currentfeedbackamplifiersCurrentFeedbackAmplifiersCurrentFeedbackAmplifiersIntheirefforttoapproximatetheidealopamp,manufacturersmustnotonlymaximizetheopen-loopgainandminimizeinput-referrederrorssuchasoffsetvoltage,biascurrent,andnoise,butmustalsoensureadequateband-widthandsettling-timecharacteristics.Amplifierdynamicsareparticularlyimportantinapplicationslikehigh-speedDACbuffers,subrangingADCs,S/Hcircuits,ATEpindrivers,andvideoandIFdrivers(Reference1)Beingbasicallyvoltage-processingdevices,opampsaresubjecttothespeedlimitationsinherenttovoltage-modeoperation,stemmingprimarilyfromthestraycapacitancesofnodesandthecutofffrequenciesoftransistors.Particularlysevereistheeffectofthestraycapacitancesbetweentheinpu……