TDA1308数据手册.pdf

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1、PhilipsSemiconductorsProductspecificationClassABstereoheadphonedriverTDA1308FEATURESGENERALDESCRIPTION·WidetemperaturerangeTheTDA1308isanintegratedclassABstereoheadphone·NoswitchON/OFFclicksdrivercontainedinanSO8oraDIP8plasticpackage.Thedeviceisfabricatedina1mm

2、CMOSprocessandhas·Excellentpowersupplyripplerejectionbeenprimarilydevelopedforportabledigitalaudio·Lowpowerconsumptionapplications.·Short-circuitresistant·Highperformance–highsignal-to-noiseratio–highslewrate–lowdistortion·Largeoutputvoltageswing.QUICKREFERENC

3、EDATAVDD=5V;VSS=0V;Tamb=25°C;fi=1kHz;RL=32W;unlessotherwisespecified.SYMBOLPARAMETERCONDITIONSMIN.TYP.MAX.UNITVDDsupplyvoltagesingle3.05.07.0Vdual1.52.53.5VVSSnegativesupplyvoltage-1.5-2.5-3.5VIDDsupplycurrentnoload-35mAPtottotalpowerdissipationnoload-1525mWPom

4、aximumoutputpowerTHD<0.1%;note1-60-mW(THD+N)/Stotalharmonicdistortionplusnote1noise-to-signalratio-0.030.06%--70-65dBRL=5kW--101-dBS/Nsignal-to-noiseratio100110-dBacschannelseparation-70-dBRL=5kW-105-dBPSRRpowersupplyripplerejectionfi=100Hz;Vripple(p-p)=100mV-

5、90-dBTamboperatingambient-40-+85°CtemperatureNote1.VDD=5V;VO(p-p)=3.5V(at0dB).ORDERINGINFORMATIONPACKAGETYPENUMBERNAMEDESCRIPTIONVERSIONTDA1308DIP8plasticdualin-linepackage;8leads(300mil)SOT97-1TDA1308TSO8plasticsmalloutlinepackage;8leads;bodywidth3.9mmSOT96-1

6、August19942PhilipsSemiconductorsProductspecificationClassABstereoheadphonedriverTDA1308BLOCKDIAGRAMFig.1Blockdiagram.PINNINGSYMBOLPINDESCRIPTIONOUTA1outputAINA(neg)2invertinginputAINA(pos)3non-invertinginputAVSS4negativesupplyINB(pos)5non-invertinginputBINB(neg

7、)6invertinginputBOUTB7outputBVDD8positivesupplyFig.2Pinconfiguration.August19943PhilipsSemiconductorsProductspecificationClassABstereoheadphonedriverTDA1308Fig.3Equivalentschematicdiagram.August19944PhilipsSemiconductorsProductspecificationClassABstereoheadphone

8、driverTDA1308LIMITINGVALUESInaccordancewiththeAbsoluteMaximumRatingSystem(IEC134).SYMBOLPARAMETERCONDITIONSMIN.MAX.UNITVDDsupplyvoltage08.0VtSC(O)outputshort-circuitdurationTamb=25