TheSSM2141isanintegrateddifferentialamplifierintendedtoreceivebalancedlineinputsinaudioapplicationsrequiringahighlevelofnoiseimmunityandoptimumcommon-moderejection.TheSSM2141typicallyachieves100dBofcommon-moderejection(CMR),whereasimplementinganopampwithfouroff-the-shelfprecisionresistorswilltypicallyachieveonly40dBofCMR-inadequateforhigh-performanceaudio.
TheSSM2141achieveslowdistortionperformancebymaintainingalargeslewrateof9.5V/µsandhighopen-loopgain.Distortionislessthan0.002%overthefullaudiobandwidth.TheSSM2141complementstheSSM2142balancedlinedriver.Together,thesedevicescompriseafullyintegratedsolutionforequivalenttransformerbalancingofaudiosignalswithouttheproblemsofdistortion,EMIfields,andhighcost.
AdditionalapplicationsfortheSSM2141includesummingsignals,differentialpreamplifiers,and600Ohmlowdistortionbufferamplifiers.ForsimilarperformancewithG=1/2,seeSSM2143.