TEA2025功放(中文资料).pdf

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1、TEA2025BTEA2025D®STEREOAUDIOAMPLIFIERDUALORBRIDGECONNECTIONMODESFEWEXTERNALCOMPONENTSSUPPLYVOLTAGEDOWNTO3VHIGHCHANNELSEPARATIONVERYLOWSWITCHON/OFFNOISEMAXGAINOF45dBWITHADJUSTEXTER-POWERDIP12+2+2SO20(12+4+4)NALRESISTORSOFTCLIPPINGORDERINGNUMBERS:TEA2025B(PDIP)THERMALPROTE

2、CTIONTEA2025D(SO)3V

3、mbolParameterTestConditionsUnitVSSupplyVoltage15VIOOuputPeakCurrent1.5ATJJunctionTemperature150°CTstgStorageTemperature150°CBLOCKDIAGRAMGND(Sub)IN1+FEEDGNDGNDBOOT1OUT150WTHERMAL10KWPROTECT.-11+START5KWCIRCUITSVRDECOUPLINGVS+BRIDGEIN2+-50W22+10KW50WD94AU120FEEDGNDGNDBOOT2

4、OUT2September20031/9TEA2025B-TEA2025DPOWERDIP12+2+2PINCONNECTION(Topview)BRIDGE116+VsOUT.2215OUT.1BOOT.2314BOOT.1GND413GNDGND512GNDFEEDBACK611FEEDBACKIN.2(+)710IN.1(+)SVR89GND(sub.)SO12+4+4PINCONNECTION(Topview)BRIDGE120VCCOUT2219OUT1BOOT2318BOOT1GND417GNDGND516GNDGND615

5、GNDGND714GNDFEEDBACK813FEEDBACKIN2(+)912IN1(+)SVR1011GND(Sub)D94AU119THERMALDATASymbolDescriptionSO12+4+4(*)PDIP12+2+2(**)UnitRthj-caseThermalResistanceJunction-caseMax1515°C/WRthj-ambThermalResistanceJunction-ambientMax6560°C/W(*)TheRthj-ambismeasuredwith4sqcmcopperarea

6、heatsink2(**)TheRthj-ambismeasuredondevicesbondedona10x5x0.15cmglass-epoxysubstratewitha35mmthickcoppersurfaceof5cm.2/9TEA2025B-TEA2025DELECTRICALCHARACTERISTICS(Tamb=25°C,VCC=9V,Stereounlessotherwisespecified)SymbolParameterTestConditionsMin.Typ.Max.UnitVSSupplyVoltage3

7、12VIQQuiescentCurrent3550mAVOQuiescentOutputVoltage4.5VStereo434547AVVoltageGaindBBridge495153DAVVoltageGainDifference±1dBRjInputImpedance30KWPOOutputPower(d=10%)Stereo8(perchannel)9V4W1.72.39V8W1.36V4W0.716V8W0.66V16W0.25W6V32W0.133V4W0.13V32W0.0212V8W2.49V8W4.76V4W2.8B

8、ridge6V8W1.5W3V16W0.183V32W0.06Stereo0.31.5dDistortionVs=9V;RL=4W%Bridge0.5SVRSupplyVoltageRejectionf=1