96-kHz, 24-Bit Digital Audio Interface Receiver …

1 Clock and Data RecoverySCKOBCKOLRCKODOUTRXIND ividerFILTXTOXTIFSOUT0 FSOUT1 RSTOSCRESETCLKSTEMPHUOUTCOUTBFRAMEVCOCKS ELDGNDERRORAUDIOP ower SupplyVDDDGNDAGNDVCCPSCK0 PSCK1 FMT0 RSVPLLD ividerDecoderFMT1 PreambleDetectorChargePumpSamplingFreque ncyCalculatorClockDecoderBiphaseData DecoderSerialAudio DataFormatterERRORD etectorFunctionControlAudio DataMUTE ControlChannel StatusandUser DataOutputProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityDIR9001 SLES198A DECEMBER2006 REVISEDMAY2015 DIR900196-kHz,24-BitDigitalAudioInterfac eReceiver1 Features3 DescriptionThe DIR9001is a digitalaudiointerfacereceiverthat1 One-ChipDigitalAudioInterfaceReceiver(DI R)canreceivea 28-kHzto 108-kHzsampling-IncludingLow-JitterClock -RecoverySystemfrequency, 24-Bit -data-wor d,biphase-encodedsignal.

2 CompliantWithDigitalAudioInterfaceStanda rds:The DIR9001complieswith IEC60958-3,JEITACPR-IEC60958(formerIEC95 8),JEITACPR-12051205(Revisedversionof EIAJCP-1201),AES3,(formerEIAJCP-1201,CP- 340),AES3,EBUEBU tech3250,andit canbe usedin varioustech3250applicationsthat requirea digitalaudiointerface. ClockRecoveryand DataDecodeFromBiphaseThe DIR9001supportsmanyoutputsystemclockandI nputSignal,GenerallyCalledS/PDIF,EIAJCP- outputdataformatsand can be usedflexiblyin many1201,IEC60958, the all functionswhichtheDIR9001providescan be controlleddirectlythrough BiphaseInputSignalSamplingFrequency(fS)c ontrolpins,it can be usedeasilyin an applicationRange:28 kHz to 108 kHzsystemthat doesnot havea ,as Low-JitterRecoveredSystemClock:50 psdedicatedpins are providedfor the channel-statusbit JitterToleranceCompliantWithIEC60958-3an d user-databit, processingof theirinformationcanbe easilyaccomplishedby connectingwitha SelectableRecoveredSystemClock.

3 128 fS,microcontroller,DSP,or fS, 384 fS, 512 fS SerialAudioDataOutputFormats:24-BitI2S;T heDIR9001doesnot requirean externalclocksourceor resonatorfor decodeoperationif theMSB-First,24-BitLeft-Justified;MSB-Fi rst16-, 24-internalactual-sampling-frequencycalc ulatoris notBit ,it is possibleto reducethe cost of a UserData, operatingtemperaturerangeof the DIR9001is No ExternalClockRequiredfor Decodespecifiedas 40 C to 85 C, whichmakesit suitable IncludesActualSamplingFrequencyCalculato rfor automotiveapplications.( ) FunctionControl:Parallel(Hardware)Device InformationPARTNUMBERPACKAGEBODYSIZE(NOM ) FunctionsSimilarand Pin AssignmentsEquivalentto Thoseof DIR1703 DIR9001 TSSOP(28) V ( V to V)(1) For all availablepackages,see the orderableaddendumatthe end of the datasheet.

4 WideOperatingTemperatureRange: 40 C to85 C 5 V-TolerantDigitalInputsBlockDiagram Package:28-pinTSSOP,Pin Pitch:0,65mm2 Applications AV/DVDR eceiver,AV Amplifier Car or MobileAudioSystem DigitalTelevision MusicalInstruments RecordingSystems High-EndAudio/SoundCardfor PC Replacementof DIR1703 OtherApplicationsRequiringS/PDIFR eceiver1An IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand DECEMBER2006 Applicationand Pin Configurationand Deviceand Mechanical,Packaging,and Orderable8 RevisionHistoryChangesfromOriginal(Dec20 06)to RevisionAPage AddedPin Configurationand Functionssection,ESDR atingstable,FeatureDescriptionsection,De viceFunctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and 2006 2015.

5 DECEMBER2006 REVISEDMAY20155 DIR9001has manyimprovedfunctionscomparedto the DIR9001functionsare similarto thoseof the DIR9001pin assignmentis equivalentto that of the DIR9001biphaseinputsignaldecodingfunctio nis almostequivalentto that of the differencesbetweenthe DIR9001and DIR1703are shownin MainDifferencesBetweenDIR1703and DIR9001 DIFFERENCEDIR1703 DIR9001 Operationalsupply-voltagerange3 V to V to VOperationtemperaturerange 25 C to 85 C 40 C to 85 CPackageSSOP-28P,pin ,pin featureConventionalPLLIEC60958-3jitter toleranceNot compliantCompliantIEC60958samplingfreque ncyaccuracyLevelII ( 1000ppm)LevelIII ( )Acceptablesamplingfrequency32 , 1500ppm28 kHz to 108 kHz continuousBiphaseinputsignallevelCMOS level5-V tolerantTTL levelConnectionof loop filterBetweenFILTpin and VCCB etweenFILTpin and AGNDXTI sourceclockfrequencyOne of the ( connectedto the XTI pin.)

6 Only requiredto use the use a )BFRAMEH period32/fS8/fSChannelstatusand userdataSynchronouswith LRCK transition17-BCKdelayfromLRCK transitionLatesttrackedfrequencyholdAvai lableNot availablePLL modeclockat errorLatesttrackedfrequencyVCOfree-runni ngfrequencyClocktransitionsignaloutCKTRN Spin, activeHCLKSTpin, active-highOscillationamplifierExternalf eedbackresistor( M )InternalfeedbackresistorThe differencesbetweenthe DIR1703and DIR9001I/O pins are shownin The DifferencesBetweenDIR1703and DIR9001in All I/O PinPIN DIR90011 ADFLGAUDIOPin nameonlyChannel-statusdatainformationof non-audiosampleword,active-low2 BRATE0 FSOUT0 Pin nameonlyActual-sampling-frequencycalcula tedresultoutput03 BRATE1 FSOUT1 Pin nameonlyActual-sampling-frequencycalcula tedresultoutput14 SCKOSCKOS amefunctionSystemclockoutput5 VDDVDDS amefunctionDigitalpowersupply.

7 Or externalXTI sourceclockinput9 CKTRNSCLKSTCLKSTis active-highClockchange/transitionsignalo utput10 LRCKOLRCKOS amefunctionAudiodatalatchenableoutput11 BCKOBCKOS amefunctionAudiodatabit clockoutput12 DOUTDOUTS amefunction16 bit 24 bit decodedserialdigitalaudiodataoutput13 SCF0 PSCK0 Pin nameonlySCKO outputfrequencyselection014 SCF1 PSCK1 Pin nameonlySCKO outputfrequencyselection115 CSBITCOUTPin nameonlyChannel-statusdataserialoutputsy nchronizedwith LRCKOC opyright 2006 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks:DIR900187654321 AUDIOFSOUT0 FSOUT1 SCKOVDDDGNDXTOXTICLKSTLRCKOBCKODOUTPSCK0 PSCK12122232425262728 CKSELERRORFMT1 FMT0 VCCAGNDFILTRSTRXINRSVBFRAMEEMPHUOUTCOUT1 4131211109151617181920 DIR9001(TOP VIEW)DIR9001 SLES198A DECEMBER2006 The DifferencesBetweenDIR1703and DIR9001in All I/O Pin (continued)PIN DIR900116 URBITUOUTPin nameonlyUserdataserialoutputsynchronized with LRCKO17 EMFLGEMPHPin nameonlyChannel-statusdataInformationof pre-emphasis(50 s/15 s)

8 18 BFRAMEBFRAMES amefunctionIndicationof top blockof biphaseinputsignal19 BRSELRSVR eservedReserved,mustbe connectedto DGND20 DINRXINPin nameonlyBiphasedigitaldatainput21 RSTRSTS amefunctionResetcontrolinput,active-low2 2 FILTFILTS amefunctionExternalfilter mustbe , nameonlyIndicationof internalPLL or dataparityerror28 CKSELCKSELS amefunctionSelectionof systemclocksource,Low:PLL (VCO)clock,High:XTI clock6 Pin Configurationand Functions4 SubmitDocumentationFeedbackCopyright 2006 2015, DECEMBER2006 REVISEDMAY2015 Pin FunctionsPINPULLI/ AnaloggroundAUDIO1 OUTCMOSC hannel-statusdatainformationof non-audiosampleword,active-lowBCKO11 OUTCMOSA udiodatabit clockoutputBFRAME18 OUTCMOSI ndicationof top blockof biphaseinputsignalCKSEL28 INPulldown5-V tolerantTTLS electionof systemclocksource,Low:PLL (VCO)clock,High.

9 XTI clock(1)CLKST9 OUTCMOSC lockchange/transitionsignaloutputCOUT15 OUTCMOSC hannel-statusdataserialoutputsynchronize dwith LRCKODGND6 DigitalgroundDOUT12 OUTCMOS16-bit/24-bitdecodedserialdigital audiodataoutputEMPH17 OUTCMOSC hannel-statusdatainformationof pre-emphasis(50 s/15 s)ERROR27 OUTCMOSI ndicationof internalPLL or dataparityerrorFILT22 Externalfilter connectionterminal; tolerantTTLD ecodedserialdigitalaudiodataoutputformat selection0(1)FMT126 INPulldown5-V tolerantTTLD ecodedserialdigitalaudiodataoutputformat selection1(1)FSOUT02 OUTCMOSA ctualsamplingfrequencycalculatedresultou tput0 FSOUT13 OUTCMOSA ctualsamplingfrequencycalculatedresultou tput1 LRCKO10 OUTCMOSA udiodatalatchenableoutputPSCK013 INPulldown5-V tolerantTTLPLL sourceSCKO outputfrequencyselection0(1)PSCK114 INPulldown5-V tolerantTTLPLL sourceSCKO outputfrequencyselection1(1)RST21 INPullup5-V tolerantTTLR esetcontrolinput,active-low(2)RSV19 INPulldownReserved,mustbe connectedto DGND(1)RXIN20IN5-V tolerantTTLB iphasedigitaldatainput(3)

10 SCKO4 OUTCMOSS ystemclockoutputUOUT16 OUTCMOSU serdataserialoutputsynchronizedwith LRCKOVCC24 Analogpowersupply, Digitalpowersupply, ,or externalXTI sourceclockinputSchmitt-triggerXTO7 OUTCMOSO scillationamplifieroutput(1)TTL Schmitt-triggerinputwith internalpulldown(51 k typical),5-V tolerant(2)TTL Schmitt-triggerinputwith internalpullup(51 k typical),5-V tolerant(3)TTL Schmitt-triggerinput,5-V 2006 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLinks:DIR9001 DIR9001 SLES198A DECEMBER2006 (unlessotherwisenoted)(1)MINMAXUNITVCCS upplyvoltage VDDS upplyvoltagedifferences (VDD+ ) < 4 XTI, XTO (VCC+ ) < 4 AnaloginputVvoltageFILT (VCC+ ) < 4 Inputcurrent(anypins exceptsupplies) 1010mAAmbienttemperatureunderbias 40125 CJunctiontemperature150 CLeadtemperature(soldering)260 CPackagetemperature(reflow,peak)260 CTstgStoragetemperature 55150 C(1)StressesbeyondthoselistedunderAbsolu teMaximumRatingsmay causepermanentdamageto the stressratingsonly and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder recommendedoperatingconditionsis not absolute-maximum-ratedconditionsfor extendedperiodsmay (HBM)