TDA1547中文资料

DATASHEETProductspecificationFileunderIntegratedCircuits,IC01September1991INTEGRATEDCIRCUITSTDA1547Dualtop-performancebitstreamDACSeptember19912PhilipsSemiconductorsProductspecificationDualtop-performancebitstreamDACTDA1547FEATURES•Top-gradeaudioperformance–verylowharmonicdistortion–highsignal-to-noiseratio–widedynamicrangeofapproximately108dB(notA-weighted)•Highcrosstalkimmunity•Bitstreamconcept–highover-samplingrateupto192fs–pulse-densitymodulation–inherentlymonotonic–nozero-crossingdistortionGENERALDESCRIPTIONTheTDA1547isadedicatedone-bitdigital-to-analogconvertertofacilitateahighfidelitysoundreproductionofdigitalaudio.TheTDA1547isextremelysuitableforuseinhighqualityaudiosystemssuchasCompactDiscandDATplayers,orindigitalamplifiersanddigitalsignalprocessingsystems.TheTDA1547isusedincombinationwiththeSAA7350bitstreamcircuit,whichincludesthethird-ordernoiseshaper.TheexcellentperformanceoftheSAA7350andTDA1547bitstreamconversionsystemisobtainedbyseparatingthenoiseshapingcircuitandtheone-bitconversioncircuitovertwoIC's,therebyreducingthecrosstalkbetweenthedigitalandanalogparts.TheTDA1547one-bitconverterisprocessedinBIMOS.Inthedigitallogicanddriversbipolartransistorsareusedtooptimizespeedandtoreducedigitalnoisegeneration.Intheanalogpartthebipolartransistorsareusedtoobtainhighperformanceoftheoperationalamplifiers.Speciallayoutprecautionshavebeentakentoachieveahighcrosstalkimmunity.ThelayoutoftheTDA1547hasfullyseparatedleftandrightchannelsandsupplyvoltagelinesbetweenthedigitalandanalogsections.ORDERINGINFORMATIONNote1.SOT-232-1;1996August23.EXTENDEDTYPENUMBERPACKAGEPINSPINPOSITIONMATERIALCODETDA1547(1)32SDILplasticSOT232ASeptember19913PhilipsSemiconductorsProductspecificationDualtop-performancebitstreamDACTDA1547Fig.1Pinningdiagram.handbook,halfpage1234567891011121314151632313029282717181920212223242526MCD294DGNDVDDDINRn.c.n.c.CLKRVDDDRVSSDRVrefRVSSA–DACR+DACRAGNDR+OUTR–OUTRTDA1547VSSDINLn.c.n.c.CLKLVDDDLVSSDLVrefLVDDA–DACL+DACLAGNDL+OUTL–OUTLVSUBAGNDDACRAGNDDACLSeptember19914PhilipsSemiconductorsProductspecificationDualtop-performancebitstreamDACTDA1547PINNINGSYMBOLPINDESCRIPTIONDGND10VdigitalsupplyVDDD25VdigitalsupplyforbothchannelsINR3serialone-bitdatainputfortherightchanneln.c.4pinnotconnected;shouldpreferablybeconnectedtodigitalgroundCLKR5clockinputfortherightchannelVDDDR65Vdigitalsupplyfortherightchannel;thisvoltagedeterminestheinternallogicHIGHlevelintherightchannelVSSDR7-3.5Vdigitalsupplyfortherightchannel;thisvoltagedeterminestheinternallogicLOWlevelintherightchannelVrefR8-4VreferencevoltagefortherightchannelswitchedcapacitorDACAGNDDACR90VreferencevoltagefortherightchannelswitchedcapacitorDAC;thispinshouldbeconnectedtoanalogground-DACR10outputfromtherightnegativeswitchedcapacitorDAC;feedbackconnectionfortherightnegativeoperationalamplifier+DACR11outputfromtherightpositiveswitchedcapacitorDAC;feedbackconnectionfortherightpositiveoperationalamplifierAGNDR120Vreferencevoltageforbothrightchanneloperationalamplifiersn.c.13pinnotconnected;shouldpreferablybeconnectedtoanalogground+OUTR14+outputoftheswitchedcapacitoroperationalamplifier-OUTR15-outputoftheswitchedcapacitoroperationalamplifierVSSA16-5VanalogsupplyVDDA175Vanalogsupply-OUTL18-outputoftheswitchedcapacitoroperationalamplifier+OUTL19+outputoftheswitchedcapacitoroperationalamplifiern.c.20pinnotconnected;shouldpreferablybeconnectedtoanaloggroundAGNDL210Vreferencevoltageforbothleftchanneloperationalamplifiers+DACL22outputfromtheleftpositiveswitchedcapacitorDAC;feedbackconnectionfortheleftpositiveoperationalamplifier-DACL23outputfromtheleftnegativeswitchedcapacitorDAC;feedbackconnectionforleftnegativeoperationalamplifierAGNDDACL240VreferencevoltagefortheleftchannelswitchedcapacitorDAC;thispinshouldbeconnectedtoanaloggroundVrefL25-4VreferencevoltagefortheleftchannelswitchedcapacitorDACVSSDL26-3.5Vdigitalsupplyfortheleftchannel;thisvoltagedeterminestheinternallogicLOWlevelintheleftchannelVDDDL275Vdigitalsupplyfortheleftchannel;thisvoltagedeterminestheinternallogicHIGHlevelintheleftchannelSeptember19915PhilipsSemiconductorsProductspecificationDualtop-performancebitstreamDACTDA1547QUICKREFERENCEDATACLKL28clockinputfortheleftchanneln.c.29pinnotconnected;shouldpreferablybeconnectedtodigitalgroundINL30serialone-bitdatainputfortheleftchannelVSSD31-5VdigitalsupplyforbothchannelsVSUB32-5VsubstratevoltageSYMBOLPARAMETERCONDITIONMINTYPMAXUNITSupplyvoltagesVDDDL.Rpositivedigitalsupplyvoltageforonechannel;pins27and64.55.05.5VVDDDdigitalsupplyvoltageforbothchannels;pin24.55.05.5VVSSDL.Rnegativedigitalsupplyvoltageforonechannel;pins26and7-4.0-3.5-3.0VVSSDnegativedigitalsupplyvoltageforbothchannels;pin31-5.5-5.0-4.5VVDDApositiveanalogsupplyvoltage;pin174.55.06VVSSAnegativeanalogsupplyvoltage;pin16-6.0-5.0-4.5VSupplycurrentIDDDL.Rpositivedigitalsupplycurrentforonechannel;pins27and6-0.1-mAIDDDdigitalsupplycurrentforbothchannels;pin2-29.0-mAISSDL.Rnegativedigitalsupplycurrentforonechannel;pins26and7--0.1-mAISSDnegativesupplycurrentforbothchannels;pin31--28.0-mAIDDApositiveanalogsupplycurrent