ICS43434 2 MultiModeMicrophonewithI SDigitalOutput APPLICATIONS GENERALDESCRIPTION Wearables 2 TheICS43434isdigitalI Soutputbottomportmicrophone.The SmartTelevisions completeICS43434solutionconsistsofaMEMSsensor,signal RemoteControls conditioning,ananalogtodigitalconverter,decimationand IoTDevices antialiasingfilters,powermanagement,andanindustry TeleconferencingSystems standard24bitISinterface.TheISinterfaceallowsthe GamingConsoles ICS43434toconnectdirectlytodigitalprocessors,suchasDSPs SecuritySystems andmicrocontrollers,withouttheneedforanaudiocodecinthe system. FEATURES TheICS43434hasmultiplemodesofoperation:High SPEC HIGHPERFORMANCE LOWPOWER Performance,LowPower(AlwaysOn)andSleep.TheICS MODE MODE 43434hashighSNRand120dBSPLAOPinalloperational Sensitivity 26dBFS1dB26dBFS1dB modes. SNR 64dBA 64dBA Current 490A 230A TheICS43434hasahighSNRof64dBAandawideband AOP 120dBSPL 120dBSPL SampleRate 2351.6kHz 6.2518.75kHz frequencyresponse.ThesensitivitytoleranceoftheICS43434 is1dB,whichenableshighperformancemicrophonearrays withouttheneedforsystemcalibration. DigitalISinterfacewithhighprecision24bitdata Widefrequencyresponsefrom60Hzto20kHz Highpowersupplyrejection:100dBFS TheICS43434isavailableinasmall3.50mm2.65mm Small3.50mm2.65mm0.98mmsurfacemount 0.98mmsurfacemountpackage.TheICS43434isfunction package compatiblewiththeICS43432whileprovidingequivalent CompatiblewithSn/PbandPbfreesolderprocesses electroacousticperformanceatlowerpowerconsumption RoHS/WEEEcompliant andinasmallerpackage. FUNCTIONALBLOCKDIAGRAM ORDERINGINFORMATION PART TEMPRANGE PACKAGING ICS43434 ICS43434 40Cto+85C 13Tape&Reel FILTER ADC SCK EV ICS43434FX 2 I S SD SERIAL PORT WS POWER HARDWARE MANAGEMENT CONTROL InvenSenseInc. InvenSense reserves the right to change the detail 1745TechnologyDrive,SanJose,CA95110U.S.A DocumentNumber:DS000069 specifications as may be required to permit Revision:1.1 +1(408)9887339 improvements in the design of its products. www.invensense.com ReleaseDate:06/03/2016 VDD GND LR ICS43434 TABLEOFCONTENTS GeneralDescription.....................................................................................................................................................................1 Applications.................................................................................................................................................................................1 Features.......................................................................................................................................................................................1 FunctionalBlockDiagram............................................................................................................................................................1 OrderingInformation...................................................................................................................................................................1 TableofContents....................................................................................................................................................................................2 Specifications..........................................................................................................................................................................................4 Table1.Acoustical/ElectricalCharacteristicsGeneral..............................................................................................................4 Table2.Acoustical/ElectricalCharacteristicsHighPerformanceMode...................................................................................4 Table3.Acoustical/ElectricalCharacteristicsLowPowerMode..............................................................................................5 Table4.DigitalFilterCharacteristics...........................................................................................................................................5 Table5.ISDigitalINPUT/Output................................................................................................................................................6 TimingDiagram............................................................................................................................................................................7 AbsoluteMaximumRatings....................................................................................................................................................................8 Table6.AbsoluteMaximumRatings...........................................................................................................................................8 ESDCaution.................................................................................................................................................................................8 SolderingProfile...........................................................................................................................................................................9 Table7.RecommendedSolderingProfile....................................................................................................................................9 PinConfigurationsAndFunctionDescriptions.....................................................................................................................................10 Table8.PinFunctionDescriptions.............................................................................................................................................10 TypicalPerformanceCharacteristics.....................................................................................................................................................11 TheoryofOperation.............................................................................................................................................................................12 PowerManagement..................................................................................................................................................................12 StartupandNormalOperation.......................................................................................................................................12 StandbyMode................................................................................................................................................................12 SynchronizingMicrophones......................................................................................................................................................12 ISDataInterface.......................................................................................................................................................................12 DataOutputMode.........................................................................................................................................................12 DataWordLength..........................................................................................................................................................12 DataWordFormat..........................................................................................................................................................12 DataOutputFormat.......................................................................................................................................................13 DigitalMicrophoneSensitivity...................................................................................................................................................13 DigitalFilterCharacteristics.......................................................................................................................................................14 HighPassFilter...............................................................................................................................................................14 LowPassDecimationFilter............................................................................................................................................14 ApplicationsInformation......................................................................................................................................................................15 LowPowerMode.......................................................................................................................................................................15 Page2of21 DocumentNumber:DS000069 Revision:1.1