TDA1308数据手册.pdf

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1、PhilipsSemiconductorsProductspecificationClassABstereoheadphonedriverTDA1308FEATURESGENERALDESCRIPTION·WidetemperaturerangeTheTDA1308isanintegratedclassABstereoheadphone·NoswitchON/OFFclicksdrivercontainedinanSO8oraDIP8plasticpackage.Thedeviceisfabricatedina1mmCMOSprocessandhas

2、·Excellentpowersupplyripplerejectionbeenprimarilydevelopedforportabledigitalaudio·Lowpowerconsumptionapplications.·Short-circuitresistant·Highperformance–highsignal-to-noiseratio–highslewrate–lowdistortion·Largeoutputvoltageswing.QUICKREFERENCEDATAVDD=5V;VSS=0V;Tamb=25°C;fi=1k

3、Hz;RL=32W;unlessotherwisespecified.SYMBOLPARAMETERCONDITIONSMIN.TYP.MAX.UNITVDDsupplyvoltagesingle3.05.07.0Vdual1.52.53.5VVSSnegativesupplyvoltage-1.5-2.5-3.5VIDDsupplycurrentnoload-35mAPtottotalpowerdissipationnoload-1525mWPomaximumoutputpowerTHD<0.1%;note1-60-mW(THD+N)/Stotal

4、harmonicdistortionplusnote1noise-to-signalratio-0.030.06%--70-65dBRL=5kW--101-dBS/Nsignal-to-noiseratio100110-dBacschannelseparation-70-dBRL=5kW-105-dBPSRRpowersupplyripplerejectionfi=100Hz;Vripple(p-p)=100mV-90-dBTamboperatingambient-40-+85°CtemperatureNote1.VDD=5V;VO(p-p)=3.

5、5V(at0dB).ORDERINGINFORMATIONPACKAGETYPENUMBERNAMEDESCRIPTIONVERSIONTDA1308DIP8plasticdualin-linepackage;8leads(300mil)SOT97-1TDA1308TSO8plasticsmalloutlinepackage;8leads;bodywidth3.9mmSOT96-1August19942PhilipsSemiconductorsProductspecificationClassABstereoheadphonedriverTDA130

6、8BLOCKDIAGRAMFig.1Blockdiagram.PINNINGSYMBOLPINDESCRIPTIONOUTA1outputAINA(neg)2invertinginputAINA(pos)3non-invertinginputAVSS4negativesupplyINB(pos)5non-invertinginputBINB(neg)6invertinginputBOUTB7outputBVDD8positivesupplyFig.2Pinconfiguration.August19943PhilipsSemiconductorsP

7、roductspecificationClassABstereoheadphonedriverTDA1308Fig.3Equivalentschematicdiagram.August19944PhilipsSemiconductorsProductspecificationClassABstereoheadphonedriverTDA1308LIMITINGVALUESInaccordancewiththeAbsoluteMaximumRatingSystem(IEC134).SYMBOLPARAMETERCONDITIONSMIN.MAX.UNIT

8、VDDsupplyvoltage08.0VtSC(O)outputshort-circuitdurationTamb=25