PCM186x 110dB 2ch and 4ch Audio ADCs with Universal Front End

115 Pages·2014·5.86 MB·English

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PCM1860,PCM1861,PCM1862
PCM1863,PCM1864,PCM1865
Burr-Brown Audio
ZHCSCB3D–MARCH2014–REVISEDMARCH2018
PCM186x 4 通通道道或或 2 通通道道 192kHz 音音频频 ADC
1 特特性性 2 应应用用
• 高SNR 性能： • 家庭影院和电视
1
– 110dBSNR(PCM1861/63/65) • 语音控制设备
– 103dBSNR(PCM1860/62/64) • 蓝牙®扬声器
• ADC采样率(f )=8kHz至192kHz • 麦克风阵列处理器
S
• 提供多达四个独立的ADC通道
3 说说明明
• 单端2.1V 满标量程(FS)输入
RMS
• 差分4.2V FS输入 PCM186x 系列（PCM1860、PCM1861、
RMS
• 硬件(HW)控制：PCM1860/61 PCM1862、PCM1863、PCM1864和PCM1865）音
• 软件(SW)控制（I2C或SPI）： 频前端器件采用了新的音频功能集成方法，从而能够轻
PCM1862/63/64/65 松地符合欧洲生态设计法规，同时能够以更低的成本实
• 支持多达四个数字麦克风 现高性能终端产品。PCM186x 支持3.3V单电源运
（软件控制的器件） 行，并以小封装提供集成的可编程增益放大器
• 可编程增益放大器(PGA)： (PGA)；利用该配置，能够以更低的成本实现更小且更
– 固定增益：0dB、12dB、32dB 智能的产品。
(PCM1860/61)
PCM186x 音频前端支持从较小的mV 级麦克风输入到
– 软件控制的增益：–12dB至+32dB
2.1V 线路输入的单端输入电平，无需外部电阻分压
(PCM1862/63/64/65) RMS
器。前端混频器(MIX)、多路复用器(MUX) 和PGA 还
• 集成高性能音频PLL
支持差分(Diff)、伪差分和单端(SE) 输入，从而使这
• 3.3V单电源运行
些器件成为需要干扰抑制的产品的理想接口。
• 3.3V时的功耗：
PCM186x 集成了许多可以辅助或替代某些DSP功能
– < 85mW(PCM1860/61/62/63)
的系统级功能。
– < 145mW(PCM1864/65)
• 用于音频系统唤醒和睡眠的Energysense音频内容 集成的带隙电压基准可提供出色的PSRR，因此可能
检测器 无需专用的模拟3.3V电源轨。
• 主/从音频接口
器器件件信信息息(1)
• 自动PGA 削波抑制控制
器器件件型型号号 封封装装 封封装装尺尺寸寸（（标标称称值值））
• 所有器件之间具有PCB封装兼容性
PCM186x TSSOP(30) 7.80mmx4.40mm
(1) 如需了解所有可用封装，请参阅数据表末尾的封装选项附录。
简简化化应应用用示示意意图图
IN DOUT
DOUT
MIC
BCK
PCM186x TMS320C5535 PCM5121 TPA3116
LRCK
SW mix
IN
LINE
BCK
PCM5100 TPA3116
LRCK
B
NS
IU
Copyright © 2017, Texas Instruments Incorporated
1
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
EnglishDataSheet:SLAS831
PCM1860,PCM1861,PCM1862
PCM1863,PCM1864,PCM1865
ZHCSCB3D–MARCH2014–REVISEDMARCH2018 www.ti.com.cn
目目录录
1 特特性性.......................................................................... 1 10.1 ApplicationInformation..........................................70
2 应应用用.......................................................................... 1 10.2 TypicalApplications..............................................75
3 说说明明.......................................................................... 1 11 PowerSupplyRecommendations..................... 79
4 修修订订历历史史记记录录........................................................... 2 11.1 Power-SupplyDistributionandRequirements......79
11.2 1.8-VSupport........................................................79
5 DeviceComparisonTable..................................... 7
11.3 BrownoutConditions.............................................79
6 PinConfigurationandFunctions......................... 8
11.4 Power-UpSequence.............................................80
7 Specifications....................................................... 12
11.5 LowestPower-DownModes.................................80
7.1 AbsoluteMaximumRatings....................................12
11.6 Power-OnResetSequencingTimingDiagram ....81
7.2 ESDRatings............................................................12
11.7 PowerConnectionExamples................................82
7.3 RecommendedOperatingConditions.....................12
11.8 FadeIn..................................................................83
7.4 ThermalInformation................................................12
12 Layout................................................................... 84
7.5 ElectricalCharacteristics:PGAandADCAC
Performance.............................................................13 12.1 LayoutGuidelines.................................................84
7.6 ElectricalCharacteristics:DC.................................14 12.2 LayoutExample....................................................85
7.7 ElectricalCharacteristics:DigitalFilter....................16 13 RegisterMaps...................................................... 85
7.8 TimingRequirements:ExternalClock.....................16 13.1 RegisterMapDescription......................................85
7.9 TimingRequirements:I2CControlInterface ..........17 13.2 RegisterMapSummary........................................86
7.10 TimingRequirements:SPIControlInterface .......18 13.3 Page0Registers.................................................89
7.11 TimingRequirements:AudioDataInterfacefor 13.4 Page1Registers...............................................129
SlaveMode..............................................................19 13.5 Page3Registers...............................................132
7.12 TimingRequirements:AudioDataInterfacefor 13.6 Page253Registers...........................................133
MasterMode............................................................20 14 器器件件和和文文档档支支持持................................................... 134
7.13 TypicalCharacteristics..........................................21
14.1 文档支持..............................................................134
8 ParameterMeasurementInformation................23 14.2 相关链接..............................................................134
9 DetailedDescription............................................ 25 14.3 接收文档更新通知...............................................134
9.1 Overview.................................................................25 14.4 社区资源..............................................................134
9.2 FunctionalBlockDiagrams.....................................25 14.5 商标.....................................................................134
9.3 FeaturesDescription ..............................................28 14.6 静电放电警告.......................................................134
9.4 DeviceFunctionalModes........................................60 14.7 Glossary..............................................................134
9.5 Programming...........................................................62 15 机机械械、、封封装装和和可可订订购购信信息息..................................... 135
10 ApplicationandImplementation........................ 70
4 修修订订历历史史记记录录
注：之前版本的页码可能与当前版本有所不同。
ChangesfromRevisionC(August2014)toRevisionD Page
• 已添加在该数据表中添加了PCM1860、PCM1862和PCM1864以及相关的内容；这些器件以前位于一个单独的数
据表(SLASE55A)中.............................................................................................................................................................. 1
• 已更改为清楚起见，更改了标题............................................................................................................................................ 1
• 已更改更改了特性项目以包含新的器件................................................................................................................................. 1
• 已添加添加了特性项目以阐明硬件和软件控制的器件........................................................................................................... 1
• 已更改将应用中的“汽车音响主机”更改成了“语音控制设备”................................................................................................... 1
• 已更改更改了说明部分文本以阐明3.3V电源、集成PGA和其他前端特性........................................................................ 1
• 已更改更改了简化应用图，以将以前的两个图合并为一个图................................................................................................. 1
• DeletedTypPerformance(3.3-VSupply,–1dB-FSInput)table;redundantcontent............................................................ 7
• ChangedDeviceComparisonTable;updatedforclarity........................................................................................................ 7
• Changedreferencevoltageoutputdcouplingpointtypicalvaluefrom0.5VCCto0.5AVDDinVREFpindescription........9
• ChangedXO(pin9)typefrom"—"to"Digitaloutput"inbothPinFunctionstables ............................................................. 9
• Changed"latchenable"to"wordclock"inLRCKpindescription ......................................................................................... 9
• Changedreferencevoltageoutputdcouplingpointtypicalvaluefrom0.5VCCto0.5AVDDinVREFpindescription .....11
• Changed"latchenable"to"wordclock"inLRCKpindescription ....................................................................................... 11
2 版权©2014–2018,TexasInstrumentsIncorporated
PCM1860,PCM1861,PCM1862
PCM1863,PCM1864,PCM1865
www.ti.com.cn ZHCSCB3D–MARCH2014–REVISEDMARCH2018
修修订订历历史史记记录录 (接接下下页页)
• AddedoperatingambienttemperatureandjunctiontemperaturetoAbsoluteMaximumRatingstable.............................. 12
• Changedgroundvoltagedifferencesrangefrom"AGND,DGND"to"AGNDtoDGND" ................................................... 12
• Changedstoragetemperaturemaxvaluefrom125°Cto150°C.......................................................................................... 12
• ChangedCDMvaluefrom±1500Vto±750V..................................................................................................................... 12
• Changed"Operatingjunctiontemperaturerange"to"Operatingambienttemperature,T "inRecommended
A
OperatingConditionstable................................................................................................................................................... 12
• ChangedThermalCharacteristicstabletoThermalInformationtable................................................................................. 12
• ChangedElectricalCharacteristics:PrimaryPGAandADCperformancetoincludesecondaryADCperformance
data,anddeletedseparateElectricalCharacteristics:SecondaryADCPerformancetable ............................................... 13
• Addednewtablenotetoclarifytestconditionat32-dBPGAgain....................................................................................... 13
• Addedminvalueof85dBtoinputchannelsignal-to-noiseratiofor32dB......................................................................... 13
• Changedinputchannelsignal-to-noiseratiofor32dBtypicalvaluefrom93dBto90dB.................................................. 13
• Addedminvalueof–76dBtoinputchannelTHD+N,differentialinputfor32dB .............................................................. 13
• Deleted"perinputpin"and"outofphase"fromfull-scalevoltageinputparameterinElectricalCharacteristics................13
• Changedinputchannelsignal-to-noiseratio,single-endedinputvalueforPCM1865from110dBto106dB;
differentialconditionsusedpreviously.................................................................................................................................. 13
• Changed"EnergysenseDetectionThreshold"to"DefaultEnergysenseSignalDetectionThreshold"inElectrical
Characteristics,SecondaryADCPerformance.................................................................................................................... 13
• ChangedsecondaryADCsamplingratefrom"sameasaudiosamplingrate"tominof8kHzandmaxof192kHz.........13
• ChangedElectricalCharacteristics,DCconditionsfrommastertoslavemode;systemclockfrom256×f to512xf ....14
S S
• ChangedPOWERsectionoftheElectricalCharacteristics,DC;updatedsectionstructureforclarity................................ 14
• DeletedallrowswithXTALascondition;notrequiredfornormaloperation....................................................................... 14
• DeletedallrowswithPowerdown;notavalidoperatingmode ........................................................................................... 14
• ChangedAVDDcurrenttypvaluefor2-channel,3.3-V,activemodefrom16mAto18mA.............................................. 14
• ChangedTotalpowervaluefor2-channel,3.3V,sleepmodefrom24mWto17.6mW.................................................... 14
• ChangedDVDDcurrentfor2-channel,3.3V,standbymodefrom353µAto0.015mA..................................................... 14
• ChangedTotalpowerfor2-channel,3.3V,standbymodeforsoftwaredevicefrom0.59mWto0.64mW ...................... 14
• DVDDcurrentfor2-channel,3.3Vand1.8Vactivemodetypvaluefrom10µAto0.015mA.......................................... 14
• ChangedTotalpowerfor2-channel,3.3Vand1.8Vactivemodefrom68mWto69.2mW............................................. 14
• ChangedTotalpowerfor4-channel,3.3V,activemodefrom145mWto135.3mW ....................................................... 14
• ChangedTotalpowerfor4-channel,3.3Vand1.8V,activemodefrom128mWto117.3mW........................................ 15
• Deletedredundanttext"Validwithrecommendedvaluesonanalograils(AVDD,VREF,andsoon)"fromPSRR...........15
• Changed"HPFfrequencyresponse"to"HPF–3-dBcutofffrequency"inElectricalCharacteristics:DigitalFilter..............16
• AddedmaximumBCKfrequencyrowstoTimingRequirements,ExternalClocktable....................................................... 16
• ChangedallFFTplotXaxesfromlogscaletolinearscale................................................................................................. 21
• AddedFigure7..................................................................................................................................................................... 21
• ChangedFigure9................................................................................................................................................................. 21
• DeletedpreviousFigure11andFigure12........................................................................................................................... 21
• AddedFigure11................................................................................................................................................................... 21
• AddedFigure13................................................................................................................................................................... 22
• AddedFigure15................................................................................................................................................................... 22
• ChangedOverviewsectionforclarity................................................................................................................................... 25
• DeletedTerminologysection;movedcontenttoOverviewsection...................................................................................... 25
• AddedFeatureDescriptionsection,andmovedexistingcontenthere................................................................................ 28
• ChangedtextinAnalogFrontEndsectionforclarity........................................................................................................... 28
• ChangedMicBiassection;internalresistorisaterminatingresistor................................................................................... 29
版权©2014–2018,TexasInstrumentsIncorporated 3
PCM1860,PCM1861,PCM1862
PCM1863,PCM1864,PCM1865
ZHCSCB3D–MARCH2014–REVISEDMARCH2018 www.ti.com.cn
修修订订历历史史记记录录 (接接下下页页)
• DeletedFigure21andFigure22fromMicBiassection...................................................................................................... 29
• AddednotestatingthatclocksarerequiredtoberunninginordertochangePGAintheProgrammableGain
Amplifiersection................................................................................................................................................................... 31
• AddedtexttoclarifydigitalPGAupdateuseinProgrammableGainAmplifiersection....................................................... 31
• Changednotetoclarifythatthefullscalemovesto4.2V whenindifferentialmodeattheendofthe
RMS
ProgrammableGainAmplifiersection.................................................................................................................................. 31
• AddednewparagraphtoendofStereoPCMSourcessection............................................................................................ 33
• ChangedFigure33;clocktreeupdatedandcorrected........................................................................................................ 36
• AddednewparagraphtotargetADC,DSP1andDSP2clockratesinDeviceClockDistributionandGenerationsection 36
• ChangedClockConfigurationandSelectionsection;relevanttohardware-controlleddevicesonly.................................. 37
• AddednewparagraphregardingregisterMST_SCK_SRCtoClockSourcesforSoftware-ControlledDevicessection....37
• Addednote("InMasterModeon..")toClockSourcesforSoftware-ControlledDevicessection........................................ 38
• ChangedTable7;updateddescriptionsforclarity............................................................................................................... 38
• Changed"CLK_DIV_MST_SCK"to"CLK_DIV_SCK_BCK"and"CLK_DIV_MST_BCK"to"CLK_DIV_BCK_LRCK"
inTable7.............................................................................................................................................................................. 38
• ChangedFigure34;clocktreeupdatedandcorrected........................................................................................................ 38
• Added"TargetClockRatesforADC,DSP#1andDSP#2"section..................................................................................... 39
• ChangedTable9;correctedPLLvaluesbyincreasingPandRby1,andcorrectedDSP1clockdividervalues..............40
• ChangedTable10;correctedPLLvaluesbyincreasingPandRby1,andcorrectedDSP1clockdividervalues............41
• ChangedTable12;correctedPLLvaluesbyincreasingPandRby1,andcorrectedtypoinDSP2columntitle..............43
• ChangedTable13;correctedPLLvaluesbyincreasingPandRby1,andcorrectedtypoinDSP2columntitle..............44
• Addedtext"Theclocktreemustalsobeset..."toSoftware-ControlledDevicesADCNon-AudioMCKPLLMode
section.................................................................................................................................................................................. 45
• ChangedPLLconditionforD=0000toshow1MHz≤(PLLCKIN/P)≤20MHzand1≤J≤63...................................... 45
• ChangedPLLconditionforD≠0000toshow6.667MHz≤(PLLCLKIN/P)≤20MHzand4≤J≤11............................. 45
• ChangedregisternumbersinSoftware-ControlledDevicesManualPLLCalculationsectiontoalignwiththeregister
numbersinTable14............................................................................................................................................................. 46
• ChangedClockHaltandErrorsection;clockerrormovedtoClockssection,andinterruptcapabilitydeleted...................46
• AddedChangingClockSourcesandSampleRatessection............................................................................................... 47
• ChangedSecondaryADC:EnergysenseandAnalogControlsection;energysensesignaldetectionnotavailablein
activemode.......................................................................................................................................................................... 48
• Changedtextfrom"controlsignalsupto1.65V"to"controlsignalsupto4.3V"intheSecondaryADCAnalogInput
Rangesection....................................................................................................................................................................... 49
• Changedsectiontitlefrom"SecondaryADCDCLevelChangeDetection"to"SecondaryADCControlsenseDC
LevelChangeDetection"...................................................................................................................................................... 49
• AddedtexttotheSecondaryADCControlsenseDCLevelChangeDetectionsection;controlsenseisavailablein
bothactiveandsleepmodes................................................................................................................................................ 49
• AddeddetailstotheSecondaryADCControlsenseDCLevelChangeDetectionsectionregardinghowtoread
simple8-bitvaluesfromthesecondaryADC....................................................................................................................... 49
• AddednewsecondparagraphtoEnergysensesection....................................................................................................... 50
• ChangedparagraphafterFigure38inEnergysenseSignalLossFlagsectionforclarity................................................... 51
• ChangedDigitalDecimationFilterssection;clarifiedtwodifferentHPFsinthedevice....................................................... 53
• ChangedtexttoclarifydigitalPGAupdateuseinDigitalPGAsection................................................................................ 53
• ChangedInterruptControllersection;deletedclockerrorasaninterruptsource................................................................ 56
• ChangedtextafterFigure44inInterruptControllersection;clarifiedINTpinsallhavesamelogicsignal......................... 56
• AddedshortdescriptionintheDINToggleDetectionsection.............................................................................................. 56
• AddedClearingInterruptssection........................................................................................................................................ 56
• ChangedDigitalAudioOutput2Configurationsection;DOUT2notavailableinTDMmode,onlyfor4-chdevices..........58
4 版权©2014–2018,TexasInstrumentsIncorporated
PCM1860,PCM1861,PCM1862
PCM1863,PCM1864,PCM1865
www.ti.com.cn ZHCSCB3D–MARCH2014–REVISEDMARCH2018
修修订订历历史史记记录录 (接接下下页页)
• AddedTimeDivisionMultiplex(TDMSupport)section........................................................................................................ 58
• ChangedlocationoftimingdiagramstoSpecificationssection,anddeletedInterfaceTimingsection............................... 59
• ChangedtextinBypassingtheInternalLDOtoReducePowerConsumptionsectiontoclarifyTDMmodewith1.8-V
IOVDDoperation.................................................................................................................................................................. 61
• Addedtext"TheI2Ccontrolport.."totheI2CInterfacesection............................................................................................ 64
• ChangedpinnumbersinTable22from"15,16,14"to"23,24,25"................................................................................... 64
• AddedRealWorldSoftwareConfigurationusingEnergySenseandControlsensesection................................................. 65
• AddedmoredetailtoProgrammingDSPCoefficientsonSoftware-ControlledDevicessection,andmovedtonew
location................................................................................................................................................................................. 68
• 已添加DualPCM186xTDMFunctionalitysection............................................................................................................... 73
• 已添加newparagraphtoendofAnalogFront-EndCircuitForSingle-Ended,Line-InApplicationssection.......................74
• 已更改1.8-VSupportsection;clarifiedthatbothIOVDDandLDOmustbedrivenwith1.8Vin1.8-Vmode.................... 79
• 已添加BrownoutConditionssection.................................................................................................................................... 79
• 已添加testconditiontostep3inPowerUpSequencesection;(PLLrequires<250µs)................................................... 80
• 已更改Layoutsectionforclarity .......................................................................................................................................... 84
• 已删除oldFigure67,PCM1865EVMSignalPartitioning;redundant,andsameinformationshowninFigure74 ............84
• 已添加Figure75................................................................................................................................................................... 85
• 已更改"0xFF"to"0xFE"inlastsentenceofRegisterMapDescriptionsection................................................................... 85
• Changedvaluesforregister3,bits6-0;changedfrom"RSV"tocorrectbitnames ........................................................... 86
• Changedbits4and3from1and0toRSV,respectively,inregister27............................................................................. 86
• Changedregister44(0x2C)fromreserved("RSV")toactualbitnames............................................................................. 87
• Changedregisters52and53toregisters51and52,respectively...................................................................................... 87
• ChangedTX_WLENbitoption00descriptionfrom"Reserved"to"32-bit"inPage0,register11...................................... 95
• ChangedGPIO0_FUNCfor001from"SPIMISO(Out:Default)"to"DigitalMICInput0(In)"andfor010from
"RESERVED"to"SPIMISO(Out)"inregister16................................................................................................................ 98
• Changed"DPGA"to"APGA"indescriptioncolumnforbits3,2,1,and0inregister25.................................................. 104
• ChangedDIV_NUMdefaultvalueinpage0,register33from"0000001"to"0000000"................................................. 106
• Changednamesanddescriptionsofmastermodeclockdividersinregisters37,38,and39forclarity.......................... 108
• Changed"Divider"to"Multiplier"inR[3:0]descriptionforregister42................................................................................ 110
• ChangedvaluesforR[3:0]from1,1/2,1/3,1/4,and1/16to1,2,3,4,and16,respectively .......................................... 110
• Changed"Divider"to"Multiplier"inJ[5:0]descriptionforregister43................................................................................ 111
• Changed"Divider"to"Multiplier"inD_LSB[7:0]descriptionforregister44....................................................................... 111
• Changed"Divider"to"Multiplier"inD_MSB[5:0]descriptionforregister45...................................................................... 111
• Changedregister52toregister51..................................................................................................................................... 114
• Changedregister53toregister52..................................................................................................................................... 115
• Changedbit3fromCLKERRtoRSVinregister96........................................................................................................... 123
• Deletedbit3fromCLKERRtoRSVinregister97............................................................................................................. 124
• Changeddefaultvaluesinpage1:register1forbits4,2,1,and0from"1"to"0",andupdateddescriptionsforclarity.129
ChangesfromRevisionB(March2014)toRevisionC Page
• 已更改在整个数据表中将“端子”更改成了“引脚”...................................................................................................................... 1
• 已添加添加了有关可订购产品附录的表注.............................................................................................................................. 1
• 已删除从“器件信息”表的部件号中删除了封装符号................................................................................................................. 1
• 已更改将“-1dBFS下的THD+N”更改成了“-1dBFS下的差分输入”......................................................................................... 1
• CorrectedpinnumbersinPinDescriptiontable..................................................................................................................... 9
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ZHCSCB3D–MARCH2014–REVISEDMARCH2018 www.ti.com.cn
• CorrectedpinnumbersinPinDescriptiontable-pin11isLDOandpin12isDGND........................................................ 11
• ChangedEnergysenseAccuracytypfrom1dBto3dB........................................................................................................ 13
• ChangedSecondaryADCAccuracyfrom10bitsto12bits ............................................................................................... 13
• AddedParameterMeasurementInformationsection .......................................................................................................... 23
• 已添加defaultvaluesforreservedregisters........................................................................................................................ 85
ChangesfromRevisionA(March2014)toRevisionB Page
• 已添加添加了PCM1861示例系统图..................................................................................................................................... 1
• 已更改更改了典型性能表....................................................................................................................................................... 1
• UpdatedPage3andPage253registers ............................................................................................................................ 85
ChangesfromOriginal(March2014)toRevisionA Page
• 已更改将“预告信息”更改成了“生产数据”状态......................................................................................................................... 1
6 Copyright©2014–2018,TexasInstrumentsIncorporated
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PCM1863,PCM1864,PCM1865
www.ti.com.cn ZHCSCB3D–MARCH2014–REVISEDMARCH2018
5 Device Comparison Table
PARTNUMBER PCM1860 PCM1861 PCM1862 PCM1863 PCM1864 PCM1865
Controlmethod H/W I2CorSPI
Differential
SNRperformanceAweighted 103dB 110dB 103dB 110dB 103dB 110dB
data
Analogfrontend 2.1VRMSMUXwithfixedPGAgains 2.1VRMSMUX,MIX,PGAandauxiliaryADC
Simultaneouschannel
2 2 4
capability
Energysensesignaldetect Yes(fixedthreshold) Yes(programmablethreshold)
Energysensesignalloss No Yes(programmablethreshold)
Controlsense No Yes(programmablethreshold)
Interruptcontroller No Yes
Digitalmicrophonesupport No Yes(2) Yes(4)
ClockPLL BCKtogenerateinternalmasterclock Fullyprogrammable
Lowestpowerstandbymode
7.96mW 0.22mW
(1.8-VIOVDD)
Digitalmixingwithdigitaland
No Yes
analoginputs
Digitaloutputformats Left-justified,I2S Left-justified,right-justified,I2S,TDM
Energysensesignallossanddetect,controlsense,postPGAclipping,RXdigital
Interruptcapabilities Energysensesignaldetect
toggle
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PCM1860,PCM1861,PCM1862
PCM1863,PCM1864,PCM1865
ZHCSCB3D–MARCH2014–REVISEDMARCH2018 www.ti.com.cn
6 Pin Configuration and Functions
DBTPackage:PCM1860andPCM1861
30-PinTSSOP
TopView
VINL2/VIN1M 1 30 VINR3/VIN3P
VINR2/VIN2M 2 29 VINL3/VIN4P
VINL1/VIN1P 3 28 VINR4/VIN3M
VINR1/VIN2P 4 27 VINL4/VIN4M
Mic Bias 5 26 MD0
VREF 6 25 MD1
AGND 7 24 MD3
AVDD 8 23 MD2
XO 9 22 MD4
XI 10 21 MD5
LDO 11 20 MD6
DGND 12 19 INT
DVDD 13 18 DOUT
IOVDD 14 17 BCK
SCKI 15 16 LRCK
Not to scale
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PCM1863,PCM1864,PCM1865
www.ti.com.cn ZHCSCB3D–MARCH2014–REVISEDMARCH2018
PinFunctions:PCM1860andPCM1861
PIN
TYPE DESCRIPTION
NO. NAME
1 VINL2/VIN1M Analoginput Analoginput2,L-channel(ordifferentialMinputforinput1)
2 VINR2/VIN2M Analoginput Analoginput2,R-channel(ordifferentialMinputforinput2)
3 VINL1/VIN1P Analoginput Analoginput1,L-channel(ordifferentialPinputforinput1)
4 VINR1/VIN2P Analoginput Analoginput1,R-channel(ordifferentialPinputforinput2)
5 MicBias Power Microphonebiasoutput
Power Referencevoltageoutputdecouplingpoint(typically,0.5AVDD).Connect1-µFcapacitor
6 VREF
fromthispintoAGND.
7 AGND Power Analogground
Power Analogpowersupply(typically,3.3V).Connect0.1-µFand10-µFcapacitorsfromthispin
8 AVDD
toAGND.
9 XO Digitaloutput Crystaloscillatoroutput
10 XI Digitalinput Crystaloscillatorinputormasterclockinput(1.8-VCMOSsignal)
Power Internallow-dropoutregulator(LDO)decouplingoutput,orexternal1.8-Vinputtobypass
11 LDO
LDO.Connect0.1-µFand10-µFcapacitorsfromthispintoDGND.
12 DGND Power Digitalground
Power Digitalpowersupply(typically,3.3V).Connect0.1-µFand10-µFcapacitorsfromthispinto
13 DVDD
DGND.
14 IOVDD Power PowersupplyforI/Ovoltages(typically,3.3Vor1.8V).
15 SCKI Digitalinput CMOSlevel(3.3V)masterclockinput
Digital Audiodatawordclock(leftrightclock)input/output(1)
16 LRCK
input/output
Digital Audiodatabitclockinput/output(1)
17 BCK
input/output
18 DOUT Digitaloutput Audiodatadigitaloutput
19 INT Analogoutput Interruptoutput(foranaloginputdetection).Pullhighforactivemode,pulllowforidle.
Analoginput AnalogMUXandgainselectionusingMD6,MD5,andMD2pins,respectively:
000:SECh1(VINL1andVINR1)
001:SECh2(VINL2andVINR2)
010:SECh3(VINL3andVINR3)
20 MD6 011:SECh4(VINL4andVINR4)
100:SECh4with12-dBgain
101:SECh4with32-dBgain
110:DiffCh1(VIN1PandVIN1M,VIN2PandVIN2M)
111:DiffCh2(VIN3PandVIN3M,VIN4PandVIN4M)with12-dBgain
21 MD5 Analoginput AnalogMUXandgainselection(seeMD6pinfordescription)
22 MD4 Analoginput Audioformat:high=left-justified,low=I2S
23 MD2 Analoginput AnalogMUXandgainselection(seeMD6pinfordescription)
24 MD3 DigitalInput Filterselect:0=FIRdecimationfilter,1=IIRlowlatencydecimationfilter
Analoginput AudiointerfacemodeselectionusingMD1andMD0pins,respectively:
00:Slavemode,256×f ,384×f ,512×f autodetect
S S S
25 MD1 01:Mastermode(512×f )
S
10:Mastermode(384×f )
S
11:Mastermode(256×f )
S
26 MD0 Analoginput Audiointerfacemodeselection(seeMD1pinfordescription)
27 VINL4/VIN4M Analoginput Analoginput4,L-channel(ordifferentialMinputforinput4)
28 VINR4/VIN3M Analoginput Analoginput4,R-channel(ordifferentialMinputforinput3)
29 VINL3/VIN4P Analoginput Analoginput3,L-channel(ordifferentialPinputforinput4)
30 VINR3/VIN3P Analoginput Analoginput3,R-channel(ordifferentialPinputforinput3)
(1) Schmitttriggerinputwithinternalpull-down(50kΩ,typically).
Copyright©2014–2018,TexasInstrumentsIncorporated 9
PCM1860,PCM1861,PCM1862
PCM1863,PCM1864,PCM1865
ZHCSCB3D–MARCH2014–REVISEDMARCH2018 www.ti.com.cn
DBTPackage:PCM1862,PCM1863,PCM1864,andPCM1865
30-PinTSSOP
TopView
VINL2/VIN1M 1 30 VINR3/VIN3P
VINR2/VIN2M 2 29 VINL3/VIN4P
VINL1/VIN1P 3 28 VINR4/VIN3M
VINR1/VIN2P 4 27 VINL4/VIN4M
Mic Bias 5 26 MD0
VREF 6 25 MS/AD
AGND 7 24 MC/SCL
AVDD 8 23 MOSI/SDA
XO 9 22 MISO/GPIO0/DMIN2
XI 10 21 GPIO1/INTA/DMIN
LDO 11 20 GPIO2/INTB/DMCLK
DGND 12 19 GPIO3/INTC
DVDD 13 18 DOUT
IOVDD 14 17 BCK
SCKI 15 16 LRCK
Not to scale
NOTE:TheDMIN2optionforpin22isonlyavailableonthePCM1864andPCM1865devices.
10 Copyright©2014–2018,TexasInstrumentsIncorporated