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DescriptionTheTDA2822isadual-channel,single-chippoweramplifierintegratedcircuitdevelopedbyStMICROelectronics.Itiscommonlyusedasanaudioamplifierinportablecassetteplayers,cassetterecorders,andmultimediaactivespeakers.Ithasthecharacteristicsofsimplecircuit,goodsoundquality,widevoltagerangeandsoon.Itcanworkinthecircuitformofstereosoundandbridgeamplification(BTL).HowtoMakeaStereoAmplifierUsingICTDA2822?CatalogDescriptionTDA2822PinoutTDA2822CADModelTDA2822ParameterTDA2822ApplicationsTDA2822FeaturesTDA2822AdvantagesWheretouseTDA2822AmplifierICHowtouseTDA2822AmplifierTDA2822SchematicDiagramTDA2822DocumentsandMediaTDA2822EnvironmentalandExportClassificationsTDA2822CircuitOrdering&QuantityTDA2822PinoutPinNumberPinNameDescription1,3OutputProvidestheamplifiedAudiooutput5,8InvertingInput(IN-)TheInvertingPinofanamplifierisnormallygrounded6,7Non-InvertingInput(IN+)TheNon-Invertingpinisprovidedwiththeaudiosignal4Vcc-Connectedtothenegativesupplyrail2Vcc+ConnectedtoPositiveSupplyRailTDA2822CADModelTDA2822SymbolTDA2822FootprintTDA2822ParameterAudio-LoadImpedance8OhmsBaseProductNumberTDA2822BrandSTMicroelectronicsCategoryIntegratedCircuits(ICs)Linear-Amplifiers-AudioClassClass-ABDescription/FunctionHeadphone/SpeakerFactoryPackQuantity25Features-Gain39dBHeight4.59mmIb-InputBiasCurrent0.1uAInputTypeSingleLength20mmManufacturer:STMicroelectronicsMaxOutputPowerxChannels@Load3.2Wx1@8Ohm;1.7Wx2@4OhmMaximumOperatingTemperature:+150CMfrSTMicroelectronicsMinimumOperatingTemperature-40CMountingStyleThroughHoleNumberofChannels2ChannelOperatingSupplyCurrent12mAOperatingSupplyVoltage5V,9V,12VOperatingTemperature-40C~150C(TJ)OutputCurrent1500mAOutputPower3.2WOutputSignalTypeDifferential,SingleOutputType1-Channel(Mono)or2-Channel(Stereo)PackageTubePackage/Case16-DIP(0.300,7.62mm)Package/CasePDIP-16PackagingTubePartStatusObsoletePd-PowerDissipation4000mWProductAudioAmplifiersPSRR-PowerSupplyRejectionRatio40dBSeriesTDA2822SubcategoryAudioICsSupplierDevicePackage16-PowerDIPSupplyTypeSingleSupplyVoltageMax15VSupplyVoltageMin3VTHDplusNoise0.2%TypeClassABType1-ChannelMonoor2-ChannelStereoUnitWeight0.057419ozVoltageSupply3V~15VWidth7.1mmTDA2822ApplicationsAMandFMRadioamplifiersPortablemusicplayersLowPowerAudioamplifiersWienbridgeoscillatorPowerAmplifiersAudioboostersTDA2822FeaturesDualAmplifiersinoneDIP-8similarforLM368.Givepowerwattsat1W+1Wat4ohmsspeakers.Itisenough.WearehappyListeninginourcorner.Startvoltagesupplyof1.8Vto15V.Thewidealot.Saveenergywithonly6mA,Min.Thebandwidthexpansionratesat40dB120kHz.CheapandeasytouseTDA2822AdvantagesTDA2822isalowpowerstereoOpAmplifierusedinWalkmanplayersandHearingaids.Itcangive250mWoutput.TDA2822isanidealOpampforlowoutputapplications.Itisagoodchoiceasapreamplifierinstereohighpoweramplifiercircuits.Ithastwoinputsandtwooutputswhichcandeliver250milliwattsoutputpower.TheamplifiercircuitwithintheICiswellsetfornoisefreeoperation.Outputscanbedirectlycoupledtothespeakersthroughthedecouplingcapacitors.WheretouseTDA2822AmplifierICTheTDA2822isaDualAudioAmplifierIC,meaningithastwoOp-Ampsinsideitspackage,andtheyarecommonlyusedforaudioamplificationbecauseoftheirwidebandwidthgain.Thetwooutputscandeliver250milliwattsoutputpower.ThisICcanbeusedinportableaudiosystems,preamplifiers,hearingaidminiradio,headphoneamplifier,etc.SoifyouarelookingforadualpackageOperationalamplifierICwithhigh-gain,andwidebandwidthforaudioamplification,thenthisICmightbetherightchoiceforyou.HowtouseTDA2822AmplifierAnapplicationcircuitfromTDA2822datasheetisgivenbelowTheleftloadisconnectedtooutputpin1oftheICthroughelectrolyticcapacitorC4,andtherightloadisconnectedtooutputpin3throughelectrolyticcapacitorC5.TheInvertingInputPins(5and8)areconnectedtothegroundviaelectrolyticcapacitors.Non-InvertingInputPins(7and6)areconnectedtoinput1andinput2.Pin2isconnectedtoDCsupplyandpin4isconnectedtoground.ElectrolyticcapacitorC3connectedacrossVCCandground,workasafiltercapacitor.TDA2822SchematicDiagramTDA2822DocumentsandMediaDatasheetsTDA2822DesignResourcesDevelopmentToolSelectorHTMLDatasheetTDA2822TDA2822EnvironmentalandExportClassificationsAttributeDescriptionRoHSStatusROHS3CompliantMoistureSensitivityLevel(MSL)1(Unlimited)TDA2822CircuitTDA2822TestCircuit(Stereo)TDA2822TestCircuit(Bridge)TDA2822TypicalApplicationinPortablePlayersTDA2822LowCostApplicationinPortablePlayersTDA28223VStereoCassettePlayerwithMototSpeedControl

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