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datasheet

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时间: 2020-1-15 10:35

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tmpa010appTai-1Microelectronicswww.taimec.com.twTMPA010.APPSeptember2004APPLICATIONINFORMATION（ThisdocumentisgoodforTMPA2055DM&TMPA2055DS）COMMONMODEDIFFERENTIALAMPLIFIERThedeviceisacommonmodedifferentialamplifierwhichprovidesfollowingfeatures.1.Thegainoftheamplifierissetbytheinputresistance.Differentialsignalprocessingcancelsthenoisefrompowersupplyornoisepickedupfrominputterminals.2.Thecommoninputvoltageatbothinputsdoesnotaffectthecommonoutputvoltageorthevoltagegain.TherejectionofcommonvoltageattheinputsprovidesaconvenienceofinterfacingthedevicetoanaudiosourcewithcertainDCvoltageandtheinputcouplingcapacitorscanbeeliminatedasshowninfigureAP1.ThecommonvoltagecanbefromVDDtoGND.……

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