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时间: 2020-1-13 14:26
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NJM2149NJM2149LOWVOLTAGEAUDIOPOWERAMPLIFIERsGENERALDESCRPTIONTheNJM2149isanaudiopoweramplifierdesignedfortelephoneapplications.Noexternalcouplingcapacitorsarerequiredbecauseofthedifferentialoutputs.Theclosedloopgainisadjustedbytwoexternalresistors,andaCDpinpermitpoweringdownwithmutingtheinputsignal.TheNJM2149improvestheternnoisereductioninswitchingPowerDownmodeandexternalhighbandnoisereduction,comparedwithNJM2135.Itissuitableforportabletelephone,wirelesstelephone,buttontelephone,andotherspeakeramplifierapplications.sFEATURESqOperatingVoltageqOperatingCurrentqSupplyCurrentinPowerDownModeqOutputPowerExceeds250mWqGainRangeqLoadImpedanceqBipolarTechnologyqPackageOutlinesPINCONFIGURATION……
标签: njm2149
