ICS-43434 [TDK]
MEMS麦克风(麦克风);
| 型号： | ICS-43434 |
| 厂家： | 
TDK ELECTRONICS |
| 描述： | MEMS麦克风(麦克风) 商用集成电路 |
| 文件： | 总21页 (文件大小：1106K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ꢀ
ꢀꢀICS-43434
ꢀ
ꢀ
Multi-ModeꢀMicrophoneꢀwithꢀI2SꢀDigitalꢀOutputꢀ
ꢀ
ꢀ
APPLICATIONSꢀ
GENERALꢀDESCRIPTIONꢀ
TheꢀICS-43434ꢀisꢀdigitalꢀI2Sꢀoutputꢀbottomꢀportꢀmicrophone.ꢀTheꢀ
completeꢀICS-43434ꢀsolutionꢀconsistsꢀofꢀaꢀMEMSꢀsensor,ꢀsignalꢀ
conditioning,ꢀanꢀanalog-to-digitalꢀconverter,ꢀdecimationꢀandꢀ
antialiasingꢀfilters,ꢀpowerꢀmanagement,ꢀandꢀanꢀindustryꢀstandardꢀ
24-bitꢀI²Sꢀinterface.ꢀTheꢀI²Sꢀinterfaceꢀallowsꢀtheꢀꢀ
ICS-43434ꢀtoꢀconnectꢀdirectlyꢀtoꢀdigitalꢀprocessors,ꢀsuchꢀasꢀDSPsꢀ
andꢀmicrocontrollers,ꢀwithoutꢀtheꢀneedꢀforꢀanꢀaudioꢀcodecꢀinꢀtheꢀ
system.ꢀꢀ
•
•
•
•
•
•
•
Wearablesꢀꢀ
SmartꢀTelevisionsꢀ
RemoteꢀControlsꢀ
IoTꢀDevicesꢀ
TeleconferencingꢀSystemsꢀ
GamingꢀConsolesꢀ
SecurityꢀSystemsꢀ
ꢀ
ꢀ
FEATURESꢀ
TheꢀICS-43434ꢀhasꢀmultipleꢀmodesꢀofꢀoperation:ꢀHighꢀ
Performance,ꢀLowꢀPowerꢀ(AlwaysOn)ꢀandꢀSleep.ꢀTheꢀICS-43434ꢀ
hasꢀhighꢀSNRꢀandꢀ120ꢀdBꢀSPLꢀAOPꢀinꢀallꢀoperationalꢀmodes.ꢀꢀ
ꢀ
TheꢀICS-43434ꢀhasꢀaꢀhighꢀSNRꢀofꢀ65ꢀdBAꢀandꢀaꢀwidebandꢀfrequencyꢀ
response.ꢀTheꢀsensitivityꢀtoleranceꢀofꢀtheꢀICS-43434ꢀisꢀ±1ꢀdB,ꢀ
whichꢀenablesꢀhigh-performanceꢀmicrophoneꢀarraysꢀwithoutꢀ
theꢀneedꢀforꢀsystemꢀcalibration.ꢀ
SPECꢀ
HIGHꢀPERFORMANCEꢀ
MODEꢀ
LOW-POWERꢀ
MODEꢀ
−26ꢀdBꢀFSꢀ±1ꢀdBꢀ
64ꢀdBAꢀ
Sensitivityꢀ
−26ꢀdBꢀFSꢀ±1ꢀdBꢀ
65ꢀdBAꢀ
SNRꢀ
Currentꢀ
AOPꢀ
490ꢀµAꢀ
230ꢀµAꢀ
120ꢀdBꢀSPLꢀ
120ꢀdBꢀSPLꢀ
6.25ꢀ–ꢀ18.75ꢀkHzꢀ
SampleꢀRateꢀ
23ꢀ–ꢀ51.6ꢀkHzꢀ
ꢀ
•
•
•
•
DigitalꢀI²Sꢀinterfaceꢀwithꢀhighꢀprecisionꢀ24-bitꢀdataꢀꢀ
Wideꢀfrequencyꢀresponseꢀfromꢀ60ꢀHzꢀtoꢀ20ꢀkHzꢀ
Highꢀpowerꢀsupplyꢀrejection:ꢀ−100ꢀdBꢀFSꢀ
Smallꢀ3.50ꢀmmꢀ×ꢀ2.65ꢀmmꢀ×ꢀ0.98ꢀmmꢀsurface-mountꢀ
packageꢀ
ꢀ
TheꢀICS-43434ꢀisꢀavailableꢀinꢀaꢀsmallꢀ3.50ꢀmmꢀ×ꢀ2.65ꢀmmꢀ×ꢀ
0.98ꢀmmꢀsurface-mountꢀpackage.ꢀTheꢀICS-43434ꢀisꢀfunction-
compatibleꢀwithꢀtheꢀICS-43432ꢀwhileꢀprovidingꢀequivalentꢀ
electro-acousticꢀperformanceꢀatꢀlowerꢀpowerꢀconsumptionꢀandꢀ
inꢀaꢀsmallerꢀpackage.ꢀ
•
•
ꢀ
CompatibleꢀwithꢀSn/PbꢀandꢀPb-freeꢀsolderꢀprocessesꢀꢀ
RoHS/WEEEꢀcompliantꢀꢀ
FUNCTIONALꢀBLOCKꢀDIAGRAMꢀ
ꢀ
ORDERINGꢀINFORMATIONꢀ
ꢀ
PARTꢀ
TEMPꢀRANGEꢀ
PACKAGINGꢀ
ICS-43434
ICS-43434ꢀ
EV_ICS-43434-FXꢀ
−40°Cꢀtoꢀ+85°Cꢀ
—ꢀ
13”ꢀTapeꢀ&ꢀReelꢀ
ꢀ
FILTER
ADC
SCK
SD
2
I S
SERIAL
PORT
ꢀ
ꢀ
WS
POWER
MANAGEMENT
HARDWARE
CONTROL
ꢀꢀ
ꢀ
ꢀ
InvenSenseꢀInc.ꢀ
InvenSenseꢀreservesꢀtheꢀrightꢀtoꢀchangeꢀtheꢀdetailꢀ
specificationsꢀasꢀmayꢀbeꢀrequiredꢀtoꢀpermitꢀ
improvementsꢀinꢀtheꢀdesignꢀofꢀitsꢀproducts.ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ReleaseꢀDate:ꢀ08/29/2016ꢀꢀ
1745ꢀTechnologyꢀDrive,ꢀSanꢀJose,ꢀCAꢀ95110ꢀU.S.Aꢀ
+1(408)ꢀ988–7339ꢀ
www.invensense.comꢀ
ꢀ
1ꢀ
1ꢀ
1ꢀ
1ꢀ
2ꢀ
4ꢀ
4ꢀ
4ꢀ
5ꢀ
5ꢀ
6ꢀ
7ꢀ
8ꢀ
8ꢀ
8ꢀ
9ꢀ
9ꢀ
OrderingꢀInformationꢀ...................................................................................................................................................................
TableꢀofꢀContentsꢀ....................................................................................................................................................................................
Specificationsꢀ..........................................................................................................................................................................................
Tableꢀ1.ꢀAcoustical/ElectricalꢀCharacteristicsꢀ–ꢀGeneralꢀ..............................................................................................................
Tableꢀ2.ꢀAcoustical/ElectricalꢀCharacteristicsꢀ–ꢀHigh-PerformanceꢀModeꢀ...................................................................................
Tableꢀ3.ꢀAcoustical/ElectricalꢀCharacteristicsꢀ–ꢀLow-PowerꢀModeꢀ..............................................................................................
Tableꢀ4.ꢀDigitalꢀFilterꢀCharacteristics
............................................................................................................................................
Tableꢀ5.ꢀI²SꢀDigitalꢀINPUT/Outputꢀ................................................................................................................................................
TimingꢀDiagramꢀ............................................................................................................................................................................
AbsoluteꢀMaximumꢀRatingsꢀ....................................................................................................................................................................
Tableꢀ6.ꢀAbsoluteꢀMaximumꢀRatings
ESDꢀCaution..................................................................................................................................................................................
SolderingꢀProfile...........................................................................................................................................................................
Tableꢀ7.ꢀRecommendedꢀSolderingꢀProfileꢀ....................................................................................................................................
PinꢀConfigurationsꢀAndꢀFunctionꢀDescriptions......................................................................................................................................
............................................................................................................................................
10ꢀ
10ꢀ
11ꢀ
12ꢀ
12ꢀ
12ꢀ
12ꢀ
12ꢀ
12ꢀ
12ꢀ
12ꢀ
12ꢀ
13ꢀ
13ꢀ
14ꢀ
14ꢀ
14ꢀ
15ꢀ
15ꢀ
Tableꢀ8.ꢀPinꢀFunctionꢀDescriptionsꢀ.............................................................................................................................................
TypicalꢀPerformanceꢀCharacteristicsꢀ.....................................................................................................................................................
TheoryꢀofꢀOperation
PowerꢀManagement
StartupꢀandꢀNormalꢀOperationꢀ.......................................................................................................................................
StandbyꢀMode.................................................................................................................................................................
SynchronizingꢀMicrophones.......................................................................................................................................................
I²SꢀDataꢀInterfaceꢀ.......................................................................................................................................................................
..............................................................................................................................................................................
...................................................................................................................................................................
DataꢀOutputꢀMode
..........................................................................................................................................................
...........................................................................................................................................................
DataꢀWordꢀLength
DataꢀWordꢀFormatꢀ..........................................................................................................................................................
DataꢀOutputꢀFormat........................................................................................................................................................
DigitalꢀMicrophoneꢀSensitivityꢀ...................................................................................................................................................
DigitalꢀFilterꢀCharacteristicsꢀ.......................................................................................................................................................
High-PassꢀFilterꢀ...............................................................................................................................................................
Low-PassꢀDecimationꢀFilter
.............................................................................................................................................
ApplicationsꢀInformation
Low-PowerꢀMode
.......................................................................................................................................................................
.......................................................................................................................................................................
GeneralꢀDescriptionꢀ.....................................................................................................................................................................
Applications..................................................................................................................................................................................
Featuresꢀ.......................................................................................................................................................................................
FunctionalꢀBlockꢀDiagram.............................................................................................................................................................
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ICS-43434
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ꢀ
TABLEꢀOFꢀCONTENTSꢀ
Pageꢀ2ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
15ꢀ
15ꢀ
16ꢀ
16ꢀ
16ꢀ
17ꢀ
17ꢀ
18ꢀ
18ꢀ
18ꢀ
18ꢀ
19ꢀ
19ꢀ
20ꢀ
21ꢀ
PCBꢀDesignꢀAndꢀLandꢀPatternꢀLayout
....................................................................................................................................................
.......................................................................................................................................................
PCBꢀMaterialꢀAndꢀThickness
HandlingꢀInstructionsꢀ............................................................................................................................................................................
PickꢀAndꢀPlaceꢀEquipment..........................................................................................................................................................
ReflowꢀSolderꢀ.............................................................................................................................................................................
BoardꢀWash................................................................................................................................................................................
OutlineꢀDimensionsꢀ...............................................................................................................................................................................
OrderingꢀGuide
...........................................................................................................................................................................
..........................................................................................................................................................................
RevisionꢀHistory
ComplianceꢀDeclarationꢀDisclaimerꢀ......................................................................................................................................................
SleepꢀModeꢀ................................................................................................................................................................................
SDꢀOutputꢀDriveꢀStrength...........................................................................................................................................................
PowerꢀSupplyꢀDecouplingꢀ..........................................................................................................................................................
SupportingꢀDocuments..........................................................................................................................................................................
EvaluationꢀBoardꢀUserꢀGuideꢀ.....................................................................................................................................................
ApplicationꢀNotes.......................................................................................................................................................................
15ꢀ
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ꢀ
ICS-43434
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Pageꢀ3ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ꢀ
ꢀ
ICS-43434
ꢀ
ꢀ
SPECIFICATIONSꢀꢀ
TABLEꢀ1.ꢀACOUSTICAL/ELECTRICALꢀCHARACTERISTICSꢀ–ꢀGENERALꢀ
TAꢀ=ꢀ25°C,ꢀVDDꢀ=ꢀ1.8ꢀtoꢀ3.3ꢀV,ꢀfSꢀ=ꢀ48ꢀkHz,ꢀCLOADꢀ=ꢀ30ꢀpFꢀunlessꢀotherwiseꢀnoted.ꢀTypicalꢀspecificationsꢀareꢀnotꢀguaranteed.ꢀ
PARAMETERꢀ ꢀ
PERFORMANCEꢀ
Directionalityꢀ
OutputꢀPolarityꢀ
CONDITIONSꢀ
MINꢀ
TYPꢀ
MAXꢀ
UNITSꢀ
NOTESꢀ
ꢀ
Omniꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Inputꢀacousticꢀpressureꢀvs.ꢀ
outputꢀdataꢀ
Non-Invertedꢀ
SupplyꢀVoltageꢀ(VDD)ꢀ
ꢀ
1.65ꢀ
ꢀ
3.63ꢀ
20ꢀ
Vꢀ
ꢀ
ꢀ
SleepꢀModeꢀCurrentꢀ(IS)ꢀ
fSꢀ<ꢀ3.125ꢀkHzꢀ
ꢀ
12ꢀ
µAꢀ
ꢀ
TABLEꢀ2.ꢀACOUSTICAL/ELECTRICALꢀCHARACTERISTICSꢀ–ꢀHIGH-PERFORMANCEꢀMODEꢀ
TAꢀ=ꢀ25°C,ꢀVDDꢀ=ꢀ1.8ꢀtoꢀ3.3ꢀV,ꢀfSꢀ=ꢀ48ꢀkHz,ꢀCLOADꢀ=ꢀ30ꢀpFꢀunlessꢀotherwiseꢀnoted.ꢀTypicalꢀspecificationsꢀareꢀnotꢀguaranteed.ꢀ
PARAMETERꢀ ꢀ
CONDITIONSꢀ
MINꢀ
−27ꢀ
TYPꢀ
−26ꢀ
65ꢀ
MAXꢀ
−25ꢀ
UNITSꢀ
dBꢀFSꢀ
dBAꢀ
NOTESꢀ
Sensitivityꢀ
1ꢀkHz,ꢀ94ꢀdBꢀSPLꢀ
1ꢀ
ꢀ
ꢀ
Signal-to-NoiseꢀRatioꢀ(SNR)ꢀ
EquivalentꢀInputꢀNoiseꢀ(EIN)ꢀ
DynamicꢀRangeꢀ
20ꢀkHzꢀbandwidth,ꢀA-weightedꢀ
20ꢀkHzꢀbandwidth,ꢀA-weightedꢀ
DerivedꢀfromꢀEINꢀandꢀacousticꢀ
overloadꢀpointꢀ
ꢀ
ꢀ
ꢀ
ꢀ
29ꢀ
dBAꢀSPLꢀ
ꢀ
ꢀ
ꢀ
ꢀ
91ꢀ
ꢀ
dBꢀ
%ꢀ
TotalꢀHarmonicꢀDistortionꢀ(THD)ꢀ
PowerꢀSupplyꢀRejectionꢀ(PSR)ꢀ
105ꢀdBꢀSPLꢀꢀ
0.2ꢀ
1ꢀ
ꢀ
217ꢀHz,ꢀ100ꢀmVꢀp-pꢀsquareꢀwaveꢀ
superimposedꢀonꢀVDDꢀ=ꢀ1.8ꢀV,ꢀA-
weightedꢀ
ꢀ
−99ꢀ
ꢀ
dBꢀFSꢀ
dBꢀFSꢀ
ꢀ
PowerꢀSupplyꢀRejection—Sweptꢀ
Sineꢀ
1ꢀkHzꢀsineꢀwave,ꢀVDDꢀ=ꢀ1.8ꢀVꢀ
−106ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
AcousticꢀOverloadꢀPointꢀ
10%ꢀTHDꢀ
120ꢀ
−90ꢀ
490ꢀ
ꢀ
ꢀ
dBꢀSPLꢀ
dBꢀFSꢀ
µAꢀ
20ꢀHzꢀtoꢀ20ꢀkHz,ꢀA-weighted,ꢀ
rmsꢀ
NoiseꢀFloorꢀ
SupplyꢀCurrentꢀ(IS)ꢀ
VDDꢀ=ꢀ1.8ꢀV,ꢀnoꢀloadꢀ
550ꢀ
Noteꢀ1:ꢀꢀSensitivityꢀisꢀrelativeꢀtoꢀtheꢀRMSꢀlevelꢀofꢀaꢀsineꢀwaveꢀwithꢀpositiveꢀamplitudeꢀequalꢀtoꢀ100%ꢀ1sꢀdensityꢀandꢀnegativeꢀamplitudeꢀequalꢀtoꢀ0%ꢀ1sꢀdensity.ꢀ
ꢀ
ꢀ
Pageꢀ4ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ꢀ
ꢀ
ICS-43434
ꢀ
ꢀ
TABLEꢀ3.ꢀACOUSTICAL/ELECTRICALꢀCHARACTERISTICSꢀ–ꢀLOW-POWERꢀMODEꢀ
TAꢀ=ꢀ25°C,ꢀVDDꢀ=ꢀ1.8ꢀtoꢀ3.3ꢀV,ꢀfSꢀ=ꢀ16ꢀkHz,ꢀCLOADꢀ=ꢀ30ꢀpFꢀunlessꢀotherwiseꢀnoted.ꢀTypicalꢀspecificationsꢀareꢀnotꢀguaranteed.ꢀ
PARAMETERꢀ ꢀ
CONDITIONSꢀ
MINꢀ
−27ꢀ
TYPꢀ
−26ꢀ
64ꢀ
MAXꢀ
−25ꢀ
UNITSꢀ
dBꢀFSꢀ
dBAꢀ
NOTESꢀ
Sensitivityꢀ
1ꢀkHz,ꢀ94ꢀdBꢀSPLꢀ
1ꢀ
ꢀ
Signal-to-NoiseꢀRatioꢀ(SNR)ꢀ
EquivalentꢀInputꢀNoiseꢀ(EIN)ꢀ
DynamicꢀRangeꢀ
20ꢀkHzꢀbandwidth,ꢀA-weightedꢀ
20ꢀkHzꢀbandwidth,ꢀA-weightedꢀ
DerivedꢀfromꢀEINꢀandꢀacousticꢀ
overloadꢀpointꢀ
ꢀ
ꢀ
ꢀ
ꢀ
30ꢀ
dBAꢀSPLꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
90ꢀ
ꢀ
dBꢀ
%ꢀ
TotalꢀHarmonicꢀDistortionꢀ(THD)ꢀ
PowerꢀSupplyꢀRejectionꢀ(PSR)ꢀ
105ꢀdBꢀSPLꢀꢀ
0.2ꢀ
1ꢀ
217ꢀHz,ꢀ100ꢀmVꢀp-pꢀsquareꢀwaveꢀ
superimposedꢀonꢀVDDꢀ=ꢀ1.8ꢀV,ꢀA-
weightedꢀ
ꢀ
−98ꢀ
ꢀ
dBꢀFSꢀ
dBꢀFSꢀ
ꢀ
PowerꢀSupplyꢀRejection—Sweptꢀ
Sineꢀ
1ꢀkHzꢀsineꢀwave,ꢀVDDꢀ=ꢀ1.8ꢀVꢀ
ꢀ
−100ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
AcousticꢀOverloadꢀPointꢀ
10%ꢀTHDꢀ
120ꢀ
−90ꢀ
230ꢀ
ꢀ
ꢀ
dBꢀSPLꢀ
dBꢀFSꢀ
µAꢀ
20ꢀkHzꢀbandwidth,ꢀA-weighted,ꢀ
rmsꢀ
NoiseꢀFloorꢀ
SupplyꢀCurrentꢀ(IS)ꢀ
VDDꢀ=ꢀ1.8ꢀV,ꢀnoꢀloadꢀ
300ꢀ
Noteꢀ1:ꢀꢀSensitivityꢀisꢀrelativeꢀtoꢀtheꢀRMSꢀlevelꢀofꢀaꢀsineꢀwaveꢀwithꢀpositiveꢀamplitudeꢀequalꢀtoꢀ100%ꢀ1sꢀdensityꢀandꢀnegativeꢀamplitudeꢀequalꢀtoꢀ0%ꢀ1sꢀdensity.ꢀ
ꢀ
TABLEꢀ4.ꢀDIGITALꢀFILTERꢀCHARACTERISTICSꢀ
PARAMETERꢀ ꢀ
CONDITIONSꢀ
MINꢀ
TYPꢀ MAXꢀ
UNITSꢀ NOTESꢀ
Acousticꢀinputꢀtoꢀdigitalꢀoutputꢀ–ꢀ
GroupꢀDelayꢀ
includesꢀfilterꢀandꢀI2Sꢀserialꢀ
ꢀ
2/fSꢀ
ꢀ
sec.ꢀ
ꢀ
outputꢀ
ꢀ
PassꢀBandꢀRippleꢀ
ꢀ
ꢀ
ꢀ
±0.3ꢀ
ꢀ
dBꢀ
dBꢀ
ꢀ
ꢀ
StopꢀBandꢀAttenuationꢀ
ꢀ
58ꢀ
PassꢀBandꢀ
kHzꢀ
fsꢀ=ꢀ48ꢀkHzꢀ
ꢀ
20ꢀ
ꢀ
ꢀ
Pageꢀ5ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
TABLEꢀ5.ꢀI²SꢀDIGITALꢀINPUT/OUTPUTꢀ
–40°Cꢀ<ꢀTAꢀ<ꢀ+85°C,ꢀ1.8ꢀVꢀ<ꢀVDDꢀ<ꢀ3.3ꢀV,ꢀunlessꢀotherwiseꢀnoted.ꢀ
ꢀ
PARAMETERꢀ ꢀ
MODEꢀSWITCHINGꢀ
SleepꢀTimeꢀ
CONDITIONSꢀ
MINꢀ
MAXꢀ
UNITSꢀ NOTESꢀ
TimeꢀfromꢀfSꢀfallingꢀ
ꢀ
1ꢀ
msꢀ
ꢀ
<ꢀ3.125ꢀkHzꢀ
Wake-UpꢀTimeꢀ
High-Performanceꢀmode,ꢀ
SleepꢀModeꢀtoꢀ
fWSꢀ>ꢀ21.875ꢀkHz,ꢀoutputꢀ
withinꢀ1ꢀdBꢀofꢀfinalꢀsensitivity,ꢀ
powerꢀonꢀ
ꢀ
20ꢀ
msꢀ
ꢀ
Wake-UpꢀTimeꢀ
Switchingꢀtimeꢀ
Low-PowerꢀMode,ꢀSleepꢀModeꢀ
toꢀfWSꢀ>ꢀ6.25ꢀkHz,ꢀoutputꢀ
withinꢀ1ꢀdBꢀofꢀfinalꢀsensitivity,ꢀ
powerꢀonꢀ
BetweenꢀLow-Powerꢀandꢀ
High-PerformanceꢀModesꢀ
ꢀ
ꢀ
20ꢀ
10ꢀ
msꢀ
msꢀ
ꢀ
ꢀ
INPUT/OUTPUTꢀ
SCKꢀperiodꢀ(tSCP)ꢀ
Inputꢀclockꢀperiodꢀ
SleepꢀModeꢀ
303ꢀ
ꢀ
2500ꢀ
3.125ꢀ
18.75ꢀ
51.6ꢀ
ꢀ
nsꢀ
ꢀ
ꢀ
ꢀ
ꢀ
SamplingꢀFrequencyꢀ(fS)ꢀ
kHzꢀ
kHzꢀ
kHzꢀ
Low-PowerꢀModeꢀ
High-PerformanceꢀModeꢀ
6.25ꢀ
23ꢀ
50ꢀ
SCKꢀhighꢀ(tSCH)ꢀ
SCKꢀlowꢀ(tSCL)ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
nsꢀ
nsꢀ
nsꢀ
ꢀ
ꢀ
ꢀ
50ꢀ
0ꢀ
ꢀ
ꢀ
ꢀ
WSꢀsetupꢀ(tWSS)ꢀ
WSꢀholdꢀ(tWSH)ꢀ
SCKꢀDutyꢀCycleꢀ
SDꢀDataꢀValidꢀ(tSDV)ꢀ
20ꢀ
nsꢀ
%ꢀ
ꢀ
ꢀ
ꢀ
40ꢀ
ꢀ
60ꢀ
75ꢀ
FromꢀSCKꢀfallingꢀtoꢀvalidꢀSDꢀ
dataꢀ
nsꢀ
nsꢀ
nsꢀ
nsꢀ
ꢀ
FromꢀSCKꢀfallingꢀtoꢀSDꢀoutputꢀ
tristatedꢀ
ꢀ
ꢀ
ꢀ
76ꢀ
25ꢀ
25ꢀ
SDꢀDataꢀDisableꢀ(tSDD)ꢀ
ꢀ
SCKꢀriseꢀtimeꢀ(10%ꢀtoꢀ90%ꢀ
level)ꢀ
tRISEꢀ
tFALLꢀ
1ꢀ
1ꢀ
SCKꢀfallꢀtimeꢀ(90%ꢀtoꢀ10%ꢀ
level)ꢀ
DIGITALꢀINPUTꢀ
0ꢀ
0.3ꢀ×ꢀVDDꢀ
VDDꢀ
ꢀ
ꢀ
VoltageꢀInputꢀLowꢀ(VIL)ꢀ
ꢀ
ꢀ
Vꢀ
Vꢀ
0.7ꢀ×ꢀVDDꢀ
VoltageꢀInputꢀHighꢀ(VIH)ꢀ
SDꢀDIGITALꢀOUTPUTꢀ
0ꢀ
0.35ꢀ×ꢀVDDꢀ
VDDꢀ
ꢀ
ꢀ
ꢀ
VoltageꢀOutputꢀLowꢀ(VOL)ꢀ
ꢀ
Vꢀ
Vꢀ
0.65ꢀ×ꢀVDDꢀ
ꢀ
VoltageꢀOutputꢀHighꢀ(VOH)ꢀ
ꢀ
MaximumꢀLoadꢀ
fSꢀ=ꢀ48ꢀkHzꢀ
85ꢀ
pFꢀ
Note 1: Guaranteed by designꢀ
ꢀ
Pageꢀ6ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
TIMINGꢀDIAGRAMꢀ
Figureꢀ1.ꢀSerialꢀDataꢀPortꢀTimingꢀꢀ
Pageꢀ7ꢀofꢀ21ꢀ
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Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
ABSOLUTEꢀMAXIMUMꢀRATINGSꢀ
StressꢀaboveꢀthoseꢀlistedꢀasꢀAbsoluteꢀMaximumꢀRatingsꢀmayꢀcauseꢀpermanentꢀdamageꢀtoꢀtheꢀdevice.ꢀTheseꢀareꢀstressꢀratingsꢀonlyꢀ
andꢀfunctionalꢀoperationꢀofꢀtheꢀdeviceꢀatꢀtheseꢀconditionsꢀisꢀnotꢀimplied.ꢀꢀExposureꢀtoꢀtheꢀabsoluteꢀmaximumꢀratingsꢀconditionsꢀforꢀ
extendedꢀperiodsꢀmayꢀaffectꢀdeviceꢀreliability.ꢀꢀ
ꢀ
TABLEꢀ6.ꢀABSOLUTEꢀMAXIMUMꢀRATINGSꢀ
ꢀ
PARAMETERꢀ
ꢀ
RATINGꢀ
−0.3ꢀVꢀtoꢀ+3.63ꢀVꢀ
SupplyꢀVoltageꢀ(VDD)ꢀ
−0.3ꢀVꢀtoꢀVDDꢀ+ꢀ0.3ꢀVꢀorꢀ3.63ꢀV,ꢀwhicheverꢀisꢀlessꢀ
DigitalꢀPinꢀInputꢀVoltageꢀ
SoundꢀPressureꢀLevelꢀ
MechanicalꢀShockꢀ
Vibrationꢀ
160ꢀdBꢀ
10,000ꢀgꢀ
PerꢀMIL-STD-883ꢀMethodꢀ2007,ꢀTestꢀConditionꢀBꢀ
ꢀ
TemperatureꢀRangeꢀ
ꢀꢀBiasedꢀ
−40°Cꢀtoꢀ+85°Cꢀ
−55°Cꢀtoꢀ+150°Cꢀ
ꢀꢀStorageꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ESDꢀCAUTIONꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ESDꢀ(electrostaticꢀdischarge)ꢀsensitiveꢀdevice.ꢀ
Chargedꢀdevicesꢀandꢀcircuitꢀboardsꢀcanꢀ
dischargeꢀwithoutꢀdetection.ꢀAlthoughꢀthisꢀ
productꢀfeaturesꢀpatentedꢀorꢀproprietaryꢀ
protectionꢀcircuitry,ꢀdamageꢀmayꢀoccurꢀonꢀ
devicesꢀsubjectedꢀtoꢀhighꢀenergyꢀESD.ꢀ
ThereforeꢀproperꢀESDꢀprecautionsꢀshouldꢀbeꢀ
takenꢀtoꢀavoidꢀperformanceꢀdegradationꢀorꢀ
lossꢀofꢀfunctionality.ꢀꢀ
ꢀ
ꢀ
ꢀ
Pageꢀ8ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
SOLDERINGꢀPROFILEꢀ
ꢀ
CRITICAL ZONE
TO T
tP
T
L
P
T
P
RAMP-UP
T
L
tL
T
SMAX
T
SMIN
tS
RAMP-DOWN
PREHEAT
t25°C TO PEAK TEMPERATURE
TIME
ꢀ
Figureꢀ2.ꢀRecommendedꢀSolderingꢀProfileꢀLimitsꢀ
ꢀ
ꢀ
ꢀ
TABLEꢀ7.ꢀRECOMMENDEDꢀSOLDERINGꢀPROFILEꢀꢀ
PROFILEꢀFEATUREꢀ
Sn63/Pb37ꢀ
Pb-Freeꢀ
AverageꢀRampꢀRateꢀ(TLꢀtoꢀTP)ꢀ
1.25°C/secꢀmaxꢀ
1.25°C/secꢀmaxꢀ
MinimumꢀTemperatureꢀ
(TSMIN)ꢀ
100°Cꢀ
100°Cꢀ
MinimumꢀTemperatureꢀ
(TSMIN)ꢀ
Preheatꢀ
150°Cꢀ
200°Cꢀ
Timeꢀ(TSMINꢀtoꢀTSMAX),ꢀtSꢀ 60ꢀsecꢀtoꢀ75ꢀsecꢀ
Ramp-UpꢀRateꢀ(TSMAXꢀtoꢀTL)ꢀ 1.25°C/secꢀ
TimeꢀMaintainedꢀAboveꢀLiquidousꢀ(tL)ꢀ 45ꢀsecꢀtoꢀ75ꢀsecꢀ
60ꢀsecꢀtoꢀ75ꢀꢀsecꢀ
1.25°C/secꢀ
~50ꢀsecꢀ
LiquidousꢀTemperatureꢀ(TL)ꢀ
PeakꢀTemperatureꢀ(TP)ꢀ
183°Cꢀ
217°Cꢀ
215°Cꢀ+3°C/−3°Cꢀ
260°Cꢀ+0°C/−5°Cꢀ
20ꢀsecꢀtoꢀ30ꢀsecꢀ
TimeꢀWithinꢀ+5°CꢀofꢀActualꢀPeakꢀ
Temperatureꢀ(tP)ꢀ
20ꢀsecꢀtoꢀ30ꢀsecꢀ
3°C/secꢀmaxꢀ
3°C/secꢀmaxꢀ
5ꢀminꢀmaxꢀ
Ramp-DownꢀRateꢀ
Timeꢀ+25°Cꢀ(t25°C)ꢀtoꢀPeakꢀTemperatureꢀ 5ꢀminꢀmaxꢀ
ꢀ
*TheꢀreflowꢀprofileꢀinꢀTableꢀ7ꢀisꢀrecommendedꢀforꢀboardꢀmanufacturingꢀwithꢀInvenSenseꢀMEMSꢀmicrophones.ꢀAllꢀmicrophonesꢀareꢀ
alsoꢀcompatibleꢀwithꢀtheꢀJ-STD-020ꢀprofile
Pageꢀ9ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
PINꢀCONFIGURATIONSꢀANDꢀFUNCTIONꢀDESCRIPTIONSꢀ
ꢀ
ꢀꢀꢀ
Figureꢀ3.ꢀPinꢀConfigurationꢀ(topꢀview,ꢀterminalꢀsideꢀdown)ꢀ
ꢀ
TABLEꢀ8.ꢀPINꢀFUNCTIONꢀDESCRIPTIONSꢀ
PINꢀ NAMEꢀ
TYPEꢀ
Inputꢀ
Inputꢀ
FUNCTIONꢀ
1ꢀ
2ꢀ
WSꢀ
LRꢀ
SerialꢀData-WordꢀSelectꢀforꢀI²SꢀInterface.ꢀ
Left/Rightꢀchannelꢀselect.ꢀWhenꢀsetꢀlow,ꢀtheꢀmicrophoneꢀoutputsꢀitsꢀsignalꢀinꢀtheꢀleftꢀ
channelꢀofꢀtheꢀI²Sꢀframe.ꢀWhenꢀsetꢀhigh,ꢀtheꢀmicrophoneꢀoutputsꢀitsꢀsignalꢀinꢀtheꢀrightꢀ
channel.ꢀ
3ꢀ
GNDꢀ
Groundꢀ
Ground.ꢀConnectꢀtoꢀgroundꢀonꢀtheꢀPCB.ꢀ
4ꢀ
5ꢀ
SCKꢀ
Inputꢀ
SerialꢀDataꢀClockꢀforꢀI²SꢀInterface.ꢀ
VDDꢀ
Powerꢀ
Power,ꢀ1.65ꢀtoꢀ3.63ꢀV.ꢀThisꢀpinꢀshouldꢀbeꢀdecoupledꢀtoꢀGNDꢀwithꢀaꢀ0.1ꢀμFꢀcapacitor.ꢀ
6ꢀ
SDꢀ
Outputꢀ
SerialꢀDataꢀOutputꢀforꢀI²SꢀInterface.ꢀThisꢀpinꢀtristatesꢀwhenꢀnotꢀactivelyꢀdrivingꢀtheꢀ
appropriateꢀoutputꢀchannel.ꢀTheꢀSDꢀtraceꢀshouldꢀhaveꢀaꢀ100ꢀkΩꢀpull-downꢀresistorꢀtoꢀ
dischargeꢀtheꢀlineꢀduringꢀtheꢀtimeꢀthatꢀallꢀmicrophonesꢀonꢀtheꢀbusꢀhaveꢀtristatedꢀtheirꢀ
outputs.ꢀꢀ
Pageꢀ10ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
TYPICALꢀPERFORMANCEꢀCHARACTERISTICSꢀ
30
LOW-POWERꢀMODE
HIGH-PERFORMANCEꢀMODE
10
1
20
10
0
-10
-20
-30
0.1
0.01
90
100
110
120
130
10
100
1000
10000
INPUTꢀAMPLITUDEꢀ(dBꢀSPL)
FREQUENCYꢀ(Hz)
ꢀ
ꢀ
Figureꢀ5.ꢀTotalꢀHarmonicꢀDistortionꢀ+ꢀNoiseꢀ(THD+N)ꢀvs.ꢀInputꢀSPLꢀ
Figureꢀ4.ꢀTypicalꢀFrequencyꢀResponseꢀ(Measured)ꢀ
0
0
LOW-POWERꢀMODE
-20
-10
-20
-30
-40
HIGH-PERFORMANCEꢀMODE
-40
-60
-80
-100
-120
90
100
110
120
100
1,000
10,000
INPUTꢀAMPLITUDEꢀ(dBꢀSPL)
FREQUENCYꢀ(Hz)
ꢀ
ꢀ
Figureꢀ7.ꢀLinearityꢀ
Figureꢀ6.ꢀPSRꢀvs.ꢀFrequency,ꢀ100ꢀmVꢀp-pꢀSweptꢀSineꢀWaveꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Pageꢀ11ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
THEORYꢀOFꢀOPERATIONꢀ
ꢀ
POWERꢀMANAGEMENTꢀ
TheꢀICS-43434ꢀhasꢀthreeꢀpowerꢀstates:ꢀhigh-performanceꢀmode,ꢀlow-powerꢀmodeꢀandꢀstandbyꢀmode.ꢀ
ꢀ
StartupꢀandꢀNormalꢀOperationꢀ
Theꢀstart-upꢀtimeꢀofꢀtheꢀICS-43434ꢀisꢀlessꢀthanꢀ20ꢀms.ꢀTheꢀI2Sꢀdataꢀfromꢀtheꢀmicrophoneꢀisꢀvalidꢀtoꢀbeꢀusedꢀasꢀsoonꢀasꢀtheꢀdataꢀisꢀ
beingꢀoutput.ꢀTheꢀpartꢀisꢀinꢀnormalꢀoperationꢀ(high-performanceꢀandꢀlow-powerꢀmodes)ꢀwhenꢀSCKꢀandꢀWSꢀareꢀactive.ꢀꢀ
ꢀ
StandbyꢀModeꢀ
TheꢀmicrophoneꢀentersꢀstandbyꢀmodeꢀwhenꢀtheꢀfrequencyꢀofꢀSCKꢀfallsꢀbelowꢀaboutꢀ200ꢀkHz.ꢀItꢀisꢀrecommendedꢀtoꢀenterꢀstandbyꢀ
modeꢀbyꢀstoppingꢀbothꢀtheꢀSCKꢀandꢀWSꢀclockꢀsignalsꢀandꢀpullingꢀthoseꢀsignalsꢀtoꢀgroundꢀtoꢀavoidꢀdrawingꢀcurrentꢀthroughꢀtheꢀWSꢀ
pin’sꢀinternalꢀpull-downꢀresistor.ꢀTheꢀtimingꢀforꢀexitingꢀstandbyꢀmodeꢀisꢀtheꢀsameꢀasꢀnormalꢀstartup.ꢀꢀ
ꢀ
Itꢀisꢀnotꢀrecommendedꢀtoꢀsupplyꢀactiveꢀclocksꢀ(WSꢀandꢀSCK)ꢀtoꢀtheꢀICS-43434ꢀwhileꢀthereꢀisꢀnoꢀpowerꢀsuppliedꢀtoꢀVDD.ꢀDoingꢀthisꢀ
continuouslyꢀturnsꢀonꢀESDꢀprotectionꢀdiodes,ꢀwhichꢀmayꢀaffectꢀlong-termꢀreliabilityꢀofꢀtheꢀmicrophone.ꢀꢀ
ꢀ
SYNCHRONIZINGꢀMICROPHONESꢀ
StereoꢀICS-43434ꢀmicrophonesꢀareꢀsynchronizedꢀbyꢀtheꢀWSꢀsignal,ꢀsoꢀaudioꢀcapturedꢀfromꢀtwoꢀmicrophonesꢀsharingꢀtheꢀsameꢀclockꢀ
willꢀbeꢀinꢀsync.ꢀTheꢀtwoꢀmicrophonesꢀwillꢀsynchronouslyꢀsampleꢀtheꢀacousticꢀsignalsꢀatꢀtheꢀbeginningꢀofꢀtheꢀI2Sꢀframeꢀ(WSꢀfallingꢀ
edge).ꢀꢀ
ꢀ
I²SꢀDATAꢀINTERFACEꢀ
Theꢀslaveꢀserialꢀdataꢀport’sꢀformatꢀisꢀI²S,ꢀ24-bit,ꢀtwosꢀcomplement.ꢀThereꢀmustꢀbeꢀ64ꢀSCKꢀcyclesꢀinꢀeachꢀWSꢀstereoꢀframe.ꢀTheꢀLRꢀ
controlꢀpinꢀdeterminesꢀwhetherꢀtheꢀICS-43434ꢀoutputsꢀdataꢀinꢀtheꢀleftꢀorꢀrightꢀchannel.ꢀWhenꢀsetꢀtoꢀtheꢀleftꢀchannel,ꢀtheꢀdataꢀwillꢀbeꢀ
outputꢀfollowingꢀWS’sꢀfallingꢀedgeꢀandꢀwhenꢀsetꢀtoꢀoutputꢀonꢀtheꢀrightꢀchannel,ꢀdataꢀwillꢀbeꢀoutputꢀfollowingꢀWS’sꢀrisingꢀedge.ꢀ
ꢀ
Forꢀaꢀstereoꢀapplication,ꢀtheꢀSDꢀpinsꢀofꢀtheꢀleftꢀandꢀrightꢀICS-43434ꢀmicrophonesꢀshouldꢀbeꢀtiedꢀtogetherꢀasꢀshownꢀinꢀFigureꢀ8.ꢀTheꢀ
formatꢀofꢀaꢀstereoꢀI²SꢀdataꢀstreamꢀisꢀshownꢀinꢀFigureꢀ9.ꢀFigureꢀ10ꢀandꢀFigureꢀ11ꢀshowꢀtheꢀformatsꢀofꢀaꢀmonoꢀmicrophoneꢀdataꢀ
streamꢀforꢀleftꢀandꢀrightꢀmicrophones,ꢀrespectively.ꢀꢀ
ꢀ
DataꢀOutputꢀModeꢀꢀ
Theꢀoutputꢀdataꢀpinꢀ(SD)ꢀisꢀtristatedꢀwhenꢀitꢀisꢀnotꢀactivelyꢀdrivingꢀI²Sꢀoutputꢀdata.ꢀSDꢀimmediatelyꢀtristatesꢀafterꢀtheꢀLSBꢀꢀ
isꢀoutputꢀsoꢀthatꢀanotherꢀmicrophoneꢀcanꢀdriveꢀtheꢀcommonꢀdataꢀline.ꢀꢀ
ꢀ
TheꢀSDꢀtraceꢀshouldꢀhaveꢀaꢀpull-downꢀresistorꢀtoꢀdischargeꢀtheꢀlineꢀduringꢀtheꢀtimeꢀthatꢀallꢀmicrophonesꢀonꢀtheꢀbusꢀhaveꢀtristatedꢀ
theirꢀoutputs.ꢀAꢀ100ꢀkΩꢀresistorꢀisꢀsufficientꢀforꢀthis,ꢀasꢀshownꢀinꢀFigureꢀ8.ꢀIfꢀtheꢀSDꢀlineꢀneedsꢀtoꢀbeꢀdischargedꢀfasterꢀthanꢀaꢀ100ꢀkΩꢀ
resistorꢀcan,ꢀaꢀsmallerꢀresistor,ꢀsuchꢀasꢀ10ꢀkΩ,ꢀcanꢀbeꢀused.ꢀꢀꢀ
ꢀ
DataꢀWordꢀLengthꢀ
Theꢀoutputꢀdataꢀwordꢀlengthꢀisꢀ24ꢀbitsꢀperꢀchannel.ꢀꢀ
ꢀ
DataꢀWordꢀFormatꢀ
TheꢀdefaultꢀdataꢀformatꢀisꢀI²Sꢀ(twosꢀcomplement),ꢀMSB-first.ꢀInꢀthisꢀformat,ꢀtheꢀMSBꢀofꢀeachꢀwordꢀisꢀdelayedꢀbyꢀoneꢀSCKꢀcycleꢀfromꢀ
theꢀstartꢀofꢀeachꢀhalf-frame.ꢀ
ꢀ
Pageꢀ12ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
FROM VOLTAGE
REGUL ATOR
(1.8VTO 3.3V)
SYSTEM MASTER
(DSP, MICROCONTROLLER,
CODEC)
0.1µF
0.1µF
V
DD
VDD
VDD
SCK
WS
SD
SCK
LR
LR
WS
SD
LEFT
RIGHT
ICS-43434
ICS-43434
100kΩ
GND
GND
Figureꢀ8.ꢀSystemꢀBlockꢀDiagramꢀ
ꢀ
ꢀ
ꢀ
Figureꢀ9.ꢀStereoꢀOutputꢀI²SꢀFormatꢀ
Figureꢀ10.ꢀMonoꢀOutputꢀI²SꢀFormatꢀLeftꢀChannelꢀ(LRꢀ=ꢀ0)ꢀꢀ
Figureꢀ11.ꢀMonoꢀOutputꢀI²SꢀFormatꢀRightꢀChannelꢀ(LRꢀ=ꢀ1)ꢀ
DataꢀOutputꢀFormatꢀꢀ
Theꢀoutputꢀdataꢀwordꢀlengthꢀisꢀ24ꢀbits/channel.ꢀTheꢀdataꢀwordꢀformatꢀisꢀ2’sꢀcomplement,ꢀMSB-first.ꢀ
ꢀ
Theꢀoutputꢀdataꢀpinꢀ(SD)ꢀisꢀtri-statedꢀwhenꢀitꢀisꢀnotꢀactivelyꢀdrivingꢀoutputꢀdata.ꢀSDꢀwillꢀimmediatelyꢀtri-stateꢀafterꢀtheꢀLSBꢀisꢀoutputꢀ
soꢀthatꢀanotherꢀmicrophoneꢀcanꢀdriveꢀtheꢀcommonꢀdataꢀline.ꢀꢀ
ꢀ
DIGITALꢀMICROPHONEꢀSENSITIVITYꢀ
TheꢀsensitivityꢀofꢀaꢀdigitalꢀoutputꢀmicrophoneꢀisꢀspecifiedꢀinꢀunitsꢀofꢀdBꢀFSꢀ(decibelsꢀrelativeꢀtoꢀaꢀfull-scaleꢀdigitalꢀoutput).ꢀAꢀ0ꢀdBꢀFSꢀ
sineꢀwaveꢀisꢀdefinedꢀasꢀaꢀsignalꢀwhoseꢀpeakꢀjustꢀtouchesꢀtheꢀfull-scaleꢀcodeꢀofꢀtheꢀdigitalꢀwordꢀ(seeꢀFigureꢀ5).ꢀThisꢀmeasurementꢀ
conventionꢀmeansꢀthatꢀsignalsꢀwithꢀaꢀdifferentꢀcrestꢀfactorꢀmayꢀhaveꢀanꢀRMSꢀlevelꢀhigherꢀthanꢀ0ꢀdBꢀFS.ꢀForꢀexample,ꢀaꢀfull-scaleꢀ
squareꢀwaveꢀhasꢀanꢀRMSꢀlevelꢀofꢀ3ꢀdBꢀFS.ꢀ
Pageꢀ13ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
ꢀ
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
TIME (ms)
ꢀ
Figureꢀ11.ꢀ1ꢀkHz,ꢀ0ꢀdBꢀFSꢀSineꢀWaveꢀ
ꢀ
Theꢀdefinitionꢀofꢀaꢀ0ꢀdBꢀFSꢀsignalꢀmustꢀbeꢀunderstoodꢀwhenꢀmeasuringꢀtheꢀsensitivityꢀofꢀtheꢀICS-43434.ꢀAnꢀacousticꢀinputꢀsignalꢀofꢀaꢀ
1ꢀkHzꢀsineꢀwaveꢀatꢀ94ꢀdBꢀSPLꢀappliedꢀtoꢀtheꢀICS-43434ꢀresultsꢀinꢀanꢀoutputꢀsignalꢀwithꢀaꢀ−26ꢀdBꢀFSꢀlevel.ꢀThisꢀmeansꢀthatꢀtheꢀoutputꢀ
digitalꢀwordꢀpeaksꢀatꢀ−26ꢀdBꢀbelowꢀtheꢀdigitalꢀfull-scaleꢀlevel.ꢀAꢀcommonꢀmisunderstandingꢀisꢀthatꢀtheꢀoutputꢀhasꢀanꢀRMSꢀlevelꢀofꢀ
−29ꢀdBꢀFS;ꢀhowever,ꢀthisꢀisꢀnotꢀtheꢀcaseꢀbecauseꢀofꢀtheꢀdefinitionꢀofꢀaꢀ0ꢀdBꢀFSꢀsineꢀwave.ꢀ
ꢀ
Thereꢀisꢀnoꢀcommonlyꢀacceptedꢀunitꢀofꢀmeasurementꢀtoꢀexpressꢀtheꢀinstantaneousꢀlevelꢀofꢀaꢀdigitalꢀsignalꢀoutputꢀfromꢀtheꢀ
microphone,ꢀasꢀopposedꢀtoꢀtheꢀRMSꢀlevelꢀofꢀtheꢀsignal.ꢀSomeꢀmeasurementꢀsystemsꢀexpressꢀtheꢀinstantaneousꢀlevelꢀofꢀanꢀindividualꢀ
sampleꢀinꢀunitsꢀofꢀD,ꢀwhereꢀ1.0ꢀDꢀisꢀdigitalꢀfullꢀscaleꢀ(seeꢀFigureꢀ11).ꢀInꢀthisꢀcase,ꢀaꢀ−26ꢀdBꢀFSꢀsineꢀwaveꢀhasꢀpeaksꢀatꢀ0.05ꢀD.ꢀ
ꢀ
Forꢀmoreꢀinformationꢀaboutꢀdigitalꢀmicrophoneꢀsensitivity,ꢀseeꢀtheꢀAN-1112ꢀApplicationꢀNote,ꢀMicrophoneꢀSpecificationsꢀExplained.ꢀ
ꢀ
DIGITALꢀFILTERꢀCHARACTERISTICSꢀ
TheꢀICS-43434ꢀhasꢀanꢀinternalꢀdigitalꢀbandpassꢀfilter.ꢀAꢀhigh-passꢀfilterꢀeliminatesꢀunwantedꢀlowꢀfrequencyꢀsignals.ꢀAꢀlow-passꢀ
decimationꢀfilterꢀscalesꢀtheꢀpassꢀbandꢀwithꢀtheꢀsamplingꢀfrequencyꢀandꢀperformsꢀrequiredꢀout-of-bandꢀnoiseꢀreduction.ꢀꢀ
ꢀ
High-PassꢀFilterꢀ
TheꢀICS-43434ꢀincorporatesꢀaꢀhigh-passꢀfilterꢀtoꢀremoveꢀDCꢀandꢀlowꢀfrequencyꢀcomponents.ꢀThisꢀhighꢀpassꢀfilterꢀhasꢀaꢀ−3ꢀdBꢀcornerꢀ
frequencyꢀofꢀ24ꢀHzꢀandꢀdoesꢀnotꢀscaleꢀwithꢀtheꢀsamplingꢀrate.ꢀꢀ
ꢀ
Low-PassꢀDecimationꢀFilterꢀ
Theꢀanalog-to-digitalꢀconverterꢀinꢀtheꢀICS-43434ꢀisꢀaꢀsingle-bit,ꢀhighꢀorder,ꢀsigma-deltaꢀ(Σ-Δ)ꢀrunningꢀatꢀaꢀhighꢀoversamplingꢀratio.ꢀ
Theꢀnoiseꢀshapingꢀofꢀtheꢀconverterꢀpushesꢀtheꢀmajorityꢀofꢀtheꢀnoiseꢀwellꢀaboveꢀtheꢀaudioꢀbandꢀandꢀgivesꢀtheꢀmicrophoneꢀaꢀwideꢀ
dynamicꢀrange.ꢀHowever,ꢀitꢀdoesꢀrequireꢀaꢀgoodꢀqualityꢀlow-passꢀdecimationꢀfilterꢀtoꢀeliminateꢀtheꢀhighꢀfrequencyꢀnoise.ꢀꢀ
ꢀ
Theꢀpassꢀbandꢀofꢀtheꢀfilterꢀextendsꢀtoꢀ0.417ꢀ×ꢀfSꢀand,ꢀinꢀthatꢀband,ꢀhasꢀonlyꢀ±0.3ꢀdBꢀofꢀripple.ꢀAꢀ48ꢀkHzꢀsamplingꢀrateꢀresultsꢀinꢀaꢀpassꢀ
bandꢀofꢀ20ꢀkHzꢀandꢀaꢀhalfꢀamplitudeꢀcornerꢀatꢀ24ꢀkHz;ꢀtheꢀstop-bandꢀattenuationꢀofꢀtheꢀfilterꢀisꢀ58ꢀdB.ꢀNoteꢀthatꢀtheseꢀfilterꢀ
specificationsꢀscaleꢀwithꢀsamplingꢀfrequency.ꢀꢀ
Pageꢀ14ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
APPLICATIONSꢀINFORMATIONꢀ
ꢀ
LOW-POWERꢀMODEꢀ
LowꢀPowerꢀModeꢀ(LPM)ꢀenablesꢀtheꢀICS-43434ꢀtoꢀbeꢀusedꢀinꢀanꢀAlwaysOnꢀlisteningꢀmodeꢀforꢀkeywordꢀspottingꢀandꢀambientꢀsoundꢀ
analysis.ꢀTheꢀICS-43434ꢀwillꢀenterꢀLPMꢀwhenꢀtheꢀsamplingꢀfrequencyꢀisꢀbetweenꢀ6.25ꢀandꢀ18.75ꢀkHz.ꢀInꢀthisꢀmode,ꢀtheꢀmicrophoneꢀ
consumesꢀonlyꢀ230ꢀµAꢀwhileꢀretainingꢀhighꢀelectro-acousticꢀperformance.ꢀꢀ
ꢀ
WhenꢀoneꢀmicrophoneꢀisꢀinꢀLPMꢀforꢀAlwaysOnꢀlistening,ꢀaꢀsecondꢀmicrophoneꢀsharingꢀtheꢀsameꢀdataꢀlineꢀmayꢀbeꢀpoweredꢀdown.ꢀInꢀ
thisꢀcase,ꢀwhereꢀoneꢀmicrophoneꢀisꢀpoweredꢀupꢀandꢀanotherꢀisꢀpoweredꢀdownꢀbyꢀdisablingꢀtheꢀVDDꢀsupplyꢀorꢀinꢀsleepꢀmodeꢀbyꢀ
reducingꢀtheꢀfrequencyꢀofꢀaꢀseparateꢀclockꢀsource,ꢀtheꢀdisabledꢀmicrophoneꢀdoesꢀnotꢀpresentꢀaꢀloadꢀtoꢀtheꢀsignalꢀonꢀtheꢀLPMꢀ
microphone’sꢀDATAꢀpin.ꢀ
ꢀ
SLEEPꢀMODEꢀ
Theꢀmicrophoneꢀentersꢀsleepꢀmodeꢀwhenꢀtheꢀsamplingꢀfrequencyꢀfallsꢀbelowꢀ3.125ꢀkHz.ꢀInꢀthisꢀmode,ꢀtheꢀmicrophoneꢀdataꢀoutputꢀisꢀinꢀ
aꢀhighꢀimpedanceꢀstate.ꢀTheꢀcurrentꢀconsumptionꢀinꢀsleepꢀmodeꢀisꢀ12ꢀµA.ꢀ
ꢀꢀ
TheꢀICS-43434ꢀentersꢀsleepꢀmodeꢀwithinꢀ1ꢀmsꢀofꢀtheꢀsamplingꢀfrequencyꢀfallingꢀbelowꢀ3.125ꢀkHz.ꢀTheꢀmicrophoneꢀwakesꢀupꢀ
fromꢀsleepꢀmodeꢀandꢀbeginsꢀtoꢀoutputꢀdataꢀ32,768ꢀSCKꢀcyclesꢀafterꢀtheꢀclockꢀbecomesꢀactive.ꢀForꢀaꢀ3.072ꢀMHzꢀclockꢀ(fSꢀ=ꢀ48ꢀkHz),ꢀtheꢀ
microphoneꢀstartsꢀtoꢀoutputꢀdataꢀinꢀ10.7ꢀms.ꢀForꢀaꢀ2.4ꢀMHzꢀclockꢀ(fSꢀ=ꢀ37.5ꢀkHz),ꢀtheꢀmicrophoneꢀstartsꢀtoꢀoutputꢀdataꢀinꢀ13.7ꢀms.ꢀ
Theꢀwake-upꢀtimeꢀ(Tableꢀ5)ꢀindicatesꢀtheꢀtimeꢀfromꢀwhenꢀtheꢀclockꢀisꢀenabledꢀtoꢀwhenꢀtheꢀICS-43434ꢀoutputsꢀdataꢀwithinꢀ1ꢀdBꢀofꢀitsꢀ
settledꢀsensitivity.ꢀ
ꢀ
SDꢀOUTPUTꢀDRIVEꢀSTRENGTHꢀ
TheꢀSDꢀdataꢀoutputꢀpinꢀmustꢀdriveꢀaꢀloadꢀthatꢀincludesꢀtheꢀPCBꢀtraceꢀandꢀtheꢀtri-statedꢀinputsꢀofꢀtheꢀotherꢀICS-43434ꢀSDꢀpinsꢀ
connectedꢀtoꢀthatꢀsameꢀtrace.ꢀTheꢀtri-statedꢀloadꢀcapacitanceꢀofꢀtheꢀICS-43434ꢀSDꢀpinꢀisꢀaboutꢀ6ꢀpF.ꢀTheꢀICS-43434ꢀhasꢀbeenꢀ
designedꢀtoꢀdriveꢀaꢀloadꢀofꢀ85ꢀpF.ꢀꢀ
ꢀ
POWERꢀSUPPLYꢀDECOUPLINGꢀ
Forꢀbestꢀperformanceꢀandꢀtoꢀavoidꢀpotentialꢀparasiticꢀartifacts,ꢀplacingꢀaꢀ0.1ꢀµFꢀceramicꢀtypeꢀX7Rꢀorꢀbetterꢀcapacitorꢀbetweenꢀꢀ
Pinꢀ5ꢀ(VDD)ꢀandꢀgroundꢀisꢀstronglyꢀrecommended.ꢀTheꢀcapacitorꢀshouldꢀbeꢀplacedꢀasꢀcloseꢀtoꢀPinꢀ3ꢀasꢀpossible.ꢀ
ꢀ
Theꢀconnectionsꢀtoꢀeachꢀsideꢀofꢀtheꢀcapacitorꢀshouldꢀbeꢀasꢀshortꢀasꢀpossible,ꢀandꢀtheꢀtraceꢀshouldꢀstayꢀonꢀaꢀsingleꢀlayerꢀwithꢀnoꢀvias.ꢀ
Forꢀmaximumꢀeffectiveness,ꢀlocateꢀtheꢀcapacitorꢀequidistantꢀfromꢀtheꢀpowerꢀandꢀgroundꢀpinsꢀor,ꢀwhenꢀequidistantꢀplacementꢀisꢀnotꢀ
possible,ꢀslightlyꢀcloserꢀtoꢀtheꢀpowerꢀpin.ꢀThermalꢀconnectionsꢀtoꢀtheꢀgroundꢀplanesꢀshouldꢀbeꢀmadeꢀonꢀtheꢀfarꢀsideꢀofꢀtheꢀcapacitor,ꢀ
asꢀshownꢀinꢀFigureꢀ12.ꢀꢀ
ꢀ
VDD GND
CAPACITOR
TOꢀV
DD
TOꢀGND
Figureꢀ12.ꢀRecommendedꢀPowerꢀSupplyꢀBypassꢀCapacitorꢀLayoutꢀ
ꢀ
Pageꢀ15ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
SUPPORTINGꢀDOCUMENTSꢀ
ꢀ
Forꢀadditionalꢀinformation,ꢀseeꢀtheꢀfollowingꢀdocuments.ꢀ
ꢀ
EVALUATIONꢀBOARDꢀUSERꢀGUIDEꢀ
AN-000088,ꢀBottom-PortꢀI2SꢀOutputꢀMEMSꢀMicrophoneꢀEvaluationꢀBoardꢀ
ꢀ
APPLICATIONꢀNOTESꢀ
AN-100,ꢀMEMSꢀMicrophoneꢀHandlingꢀandꢀAssemblyꢀGuideꢀ
AN-1003,ꢀRecommendationsꢀforꢀMountingꢀandꢀConnectingꢀtheꢀInvenSenseꢀBottom-PortedꢀMEMSꢀMicrophonesꢀ
AN-1112,ꢀMicrophoneꢀSpecificationsꢀExplainedꢀ
AN-1124,ꢀRecommendationsꢀforꢀSealingꢀInvenSenseꢀBottom-PortꢀMEMSꢀMicrophonesꢀfromꢀDustꢀandꢀLiquidꢀIngressꢀ
AN-1140,ꢀMicrophoneꢀArrayꢀBeamformingꢀ
ꢀ
Pageꢀ16ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
PCBꢀDESIGNꢀANDꢀLANDꢀPATTERNꢀLAYOUTꢀ
TheꢀrecommendedꢀPCBꢀlandꢀpatternꢀforꢀtheꢀICS-43434ꢀshouldꢀbeꢀlaidꢀoutꢀtoꢀaꢀ1:1ꢀratioꢀtoꢀtheꢀsolderꢀpadsꢀonꢀtheꢀmicrophoneꢀ
package,ꢀasꢀshownꢀinꢀFigureꢀ13.ꢀTakeꢀcareꢀtoꢀavoidꢀapplyingꢀsolderꢀpasteꢀtoꢀtheꢀsoundꢀholeꢀinꢀtheꢀPCB.ꢀAꢀsuggestedꢀsolderꢀpasteꢀ
stencilꢀpatternꢀlayoutꢀisꢀshownꢀinꢀFigureꢀ14.ꢀTheꢀdiameterꢀofꢀtheꢀsoundꢀholeꢀinꢀtheꢀPCBꢀshouldꢀbeꢀlargerꢀthanꢀtheꢀdiameterꢀofꢀtheꢀ
soundꢀportꢀofꢀtheꢀmicrophone.ꢀAꢀminimumꢀdiameterꢀofꢀ0.5ꢀmmꢀisꢀrecommended.ꢀ
ꢀ
ꢀ
Figureꢀ13.ꢀꢀPCBꢀLandꢀPatternꢀLayoutꢀ
Dimensionsꢀshownꢀinꢀmillimetersꢀ
ꢀ
ꢀ
Figureꢀ14.ꢀSuggestedꢀSolderꢀPasteꢀStencilꢀPatternꢀLayoutꢀ
Dimensionsꢀshownꢀinꢀmillimetersꢀ
ꢀ
PCBꢀMATERIALꢀANDꢀTHICKNESSꢀ
TheꢀperformanceꢀofꢀtheꢀICS-43434ꢀisꢀnotꢀaffectedꢀbyꢀPCBꢀthickness.ꢀTheꢀICS-43434ꢀcanꢀbeꢀmountedꢀonꢀeitherꢀaꢀrigidꢀorꢀflexibleꢀPCB.ꢀ
AꢀflexibleꢀPCBꢀwithꢀtheꢀmicrophoneꢀcanꢀbeꢀattachedꢀdirectlyꢀtoꢀtheꢀdeviceꢀhousingꢀwithꢀanꢀadhesiveꢀlayer.ꢀThisꢀmountingꢀmethodꢀ
offersꢀaꢀreliableꢀsealꢀaroundꢀtheꢀsoundꢀportꢀwhileꢀprovidingꢀtheꢀshortestꢀacousticꢀpathꢀforꢀgoodꢀsoundꢀquality.ꢀ
Pageꢀ17ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
HANDLINGꢀINSTRUCTIONSꢀ ꢀ
PICKꢀANDꢀPLACEꢀEQUIPMENTꢀ
TheꢀMEMSꢀmicrophoneꢀcanꢀbeꢀhandledꢀusingꢀstandardꢀpick-and-placeꢀandꢀchipꢀshootingꢀequipment.ꢀTakeꢀcareꢀtoꢀavoidꢀdamageꢀtoꢀtheꢀ
MEMSꢀmicrophoneꢀstructureꢀasꢀfollows:ꢀ
•
•
•
Useꢀaꢀstandardꢀpickupꢀtoolꢀtoꢀhandleꢀtheꢀmicrophone.ꢀBecauseꢀtheꢀmicrophoneꢀholeꢀisꢀonꢀtheꢀbottomꢀofꢀtheꢀpackage,ꢀtheꢀ
pickupꢀtoolꢀcanꢀmakeꢀcontactꢀwithꢀanyꢀpartꢀofꢀtheꢀlidꢀsurface.ꢀ
Doꢀnotꢀpickꢀupꢀtheꢀmicrophoneꢀwithꢀaꢀvacuumꢀtoolꢀthatꢀmakesꢀcontactꢀwithꢀtheꢀbottomꢀsideꢀofꢀtheꢀmicrophone.ꢀꢀ
Doꢀnotꢀpullꢀairꢀoutꢀofꢀorꢀblowꢀairꢀintoꢀtheꢀmicrophoneꢀport.ꢀ
DoꢀnotꢀuseꢀexcessiveꢀforceꢀtoꢀplaceꢀtheꢀmicrophoneꢀonꢀtheꢀPCB.ꢀ
ꢀ
REFLOWꢀSOLDERꢀ
Forꢀbestꢀresults,ꢀtheꢀsolderingꢀprofileꢀmustꢀbeꢀinꢀaccordanceꢀwithꢀtheꢀrecommendationsꢀofꢀtheꢀmanufacturerꢀofꢀtheꢀsolderꢀpasteꢀusedꢀtoꢀ
attachꢀtheꢀMEMSꢀmicrophoneꢀtoꢀtheꢀPCB.ꢀItꢀisꢀrecommendedꢀthatꢀtheꢀsolderꢀreflowꢀprofileꢀnotꢀexceedꢀtheꢀlimitꢀconditionsꢀspecifiedꢀ
inꢀFigureꢀ2ꢀandꢀTableꢀ7.ꢀ
ꢀ
BOARDꢀWASHꢀ
WhenꢀwashingꢀtheꢀPCB,ꢀensureꢀthatꢀwaterꢀdoesꢀnotꢀmakeꢀcontactꢀwithꢀtheꢀmicrophoneꢀport.ꢀDoꢀnotꢀuseꢀblow-offꢀproceduresꢀorꢀ
ultrasonicꢀcleaning.ꢀ
ꢀ
Pageꢀ18ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
OUTLINEꢀDIMENSIONSꢀ
ꢀ
0.98
2.65
PINꢀ#1
REFERENCE
CORNER
PINꢀ#1
REFERENCE
CORNER
0.75
0.600ꢀ(5X)
0.300
0.125
0.125
0.300
0.522ꢀ(5X)
1.513
3.50
3.20 2.88
1.040
ø0.375
ø1.025
ø1.625
R0.16
R0.125
R0.240
1.325
0.23ꢀ(REF)
2.35
2.03
ꢀ
Figureꢀ15.ꢀ6-TerminalꢀChipꢀArrayꢀSmallꢀOutlineꢀNoꢀLeadꢀCavityꢀ
3.50ꢀ×ꢀ2.65ꢀ×ꢀ0.98ꢀmmꢀBodyꢀ
Dimensionsꢀshownꢀinꢀmillimetersꢀ
ꢀ
PARTꢀNUMBER
PINꢀ1ꢀINDICATION
434
YYXXX
LOTꢀTRACEABILITY CODEꢀꢀ
DATECODE
Figureꢀ16.ꢀPackageꢀMarkingꢀSpecificationꢀ(TopꢀView)ꢀ
ORDERINGꢀGUIDEꢀ
PARTꢀ
TEMPꢀRANGEꢀ
PACKAGEꢀ
QUANTITYꢀ
PACKAGINGꢀ
ICS-43434ꢀ
−40°Cꢀtoꢀ+85°Cꢀ
6-TerminalꢀLGA_CAVꢀ
10,000ꢀ
13”ꢀTapeꢀandꢀReelꢀ
EV_ICS-43434-FXꢀ
ꢀ
ꢀ
FlexꢀEvaluationꢀBoardꢀ
ꢀ
ꢀ
Pageꢀ19ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
REVISIONꢀHISTORYꢀ
REVISIONꢀDATEꢀ
REVISIONꢀ DESCRIPTIONꢀ
4/26/2016ꢀ
6/3/2016ꢀ
8/29/2016ꢀ
1.0ꢀ
1.1ꢀ
1.2ꢀ
Initialꢀversionꢀ
UpdatedꢀOrderingꢀQuantityꢀ
UpdatedꢀHPMꢀSNR,ꢀEINꢀandꢀDynamicꢀRangeꢀvalueꢀ
Pageꢀ20ꢀofꢀ21ꢀ
DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
ICS-43434
ꢀ
ꢀ
ꢀ
COMPLIANCEꢀDECLARATIONꢀDISCLAIMERꢀ
InvenSenseꢀbelievesꢀtheꢀenvironmentalꢀandꢀotherꢀcomplianceꢀinformationꢀgivenꢀinꢀthisꢀdocumentꢀtoꢀbeꢀcorrectꢀbutꢀcannotꢀ
guaranteeꢀaccuracyꢀorꢀcompleteness.ꢀConformityꢀdocumentsꢀsubstantiatingꢀtheꢀspecificationsꢀandꢀcomponentꢀcharacteristicsꢀareꢀonꢀ
file.ꢀInvenSenseꢀsubcontractsꢀmanufacturing,ꢀandꢀtheꢀinformationꢀcontainedꢀhereinꢀisꢀbasedꢀonꢀdataꢀreceivedꢀfromꢀvendorsꢀandꢀ
suppliers,ꢀwhichꢀhasꢀnotꢀbeenꢀvalidatedꢀbyꢀInvenSense.ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ThisꢀinformationꢀfurnishedꢀbyꢀInvenSenseꢀisꢀbelievedꢀtoꢀbeꢀaccurateꢀandꢀreliable.ꢀHowever,ꢀnoꢀresponsibilityꢀisꢀassumedꢀbyꢀ
InvenSenseꢀforꢀitsꢀuse,ꢀorꢀforꢀanyꢀinfringementsꢀofꢀpatentsꢀorꢀotherꢀrightsꢀofꢀthirdꢀpartiesꢀthatꢀmayꢀresultꢀfromꢀitsꢀuse.ꢀSpecificationsꢀ
areꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀInvenSenseꢀreservesꢀtheꢀrightꢀtoꢀmakeꢀchangesꢀtoꢀthisꢀproduct,ꢀincludingꢀitsꢀcircuitsꢀandꢀ
software,ꢀinꢀorderꢀtoꢀimproveꢀitsꢀdesignꢀand/orꢀperformance,ꢀwithoutꢀpriorꢀnotice.ꢀInvenSenseꢀmakesꢀnoꢀwarranties,ꢀneitherꢀ
expressedꢀnorꢀimplied,ꢀregardingꢀtheꢀinformationꢀandꢀspecificationsꢀcontainedꢀinꢀthisꢀdocument.ꢀInvenSenseꢀassumesꢀnoꢀ
responsibilityꢀforꢀanyꢀclaimsꢀorꢀdamagesꢀarisingꢀfromꢀinformationꢀcontainedꢀinꢀthisꢀdocument,ꢀorꢀfromꢀtheꢀuseꢀofꢀproductsꢀandꢀ
servicesꢀdetailedꢀtherein.ꢀThisꢀincludes,ꢀbutꢀisꢀnotꢀlimitedꢀto,ꢀclaimsꢀorꢀdamagesꢀbasedꢀonꢀtheꢀinfringementꢀofꢀpatents,ꢀcopyrights,ꢀ
maskꢀworkꢀand/orꢀotherꢀintellectualꢀpropertyꢀrights.ꢀꢀ
ꢀ
CertainꢀintellectualꢀpropertyꢀownedꢀbyꢀInvenSenseꢀandꢀdescribedꢀinꢀthisꢀdocumentꢀisꢀpatentꢀprotected.ꢀNoꢀlicenseꢀisꢀgrantedꢀbyꢀ
implicationꢀorꢀotherwiseꢀunderꢀanyꢀpatentꢀorꢀpatentꢀrightsꢀofꢀInvenSense.ꢀThisꢀpublicationꢀsupersedesꢀandꢀreplacesꢀallꢀinformationꢀ
previouslyꢀsupplied.ꢀTrademarksꢀthatꢀareꢀregisteredꢀtrademarksꢀareꢀtheꢀpropertyꢀofꢀtheirꢀrespectiveꢀcompanies.ꢀInvenSenseꢀsensorsꢀ
shouldꢀnotꢀbeꢀusedꢀorꢀsoldꢀinꢀtheꢀdevelopment,ꢀstorage,ꢀproductionꢀorꢀutilizationꢀofꢀanyꢀconventionalꢀorꢀmass-destructiveꢀweaponsꢀ
orꢀforꢀanyꢀotherꢀweaponsꢀorꢀlifeꢀthreateningꢀapplications,ꢀasꢀwellꢀasꢀinꢀanyꢀotherꢀlifeꢀcriticalꢀapplicationsꢀsuchꢀasꢀmedicalꢀequipment,ꢀ
transportation,ꢀaerospaceꢀandꢀnuclearꢀinstruments,ꢀunderseaꢀequipment,ꢀpowerꢀplantꢀequipment,ꢀdisasterꢀpreventionꢀandꢀcrimeꢀ
preventionꢀequipment.ꢀꢀ
ꢀ
©2016ꢀInvenSense,ꢀInc.ꢀAllꢀrightsꢀreserved.ꢀInvenSense,ꢀMotionTracking,ꢀMotionProcessing,ꢀMotionProcessor,ꢀMotionFusion,ꢀ
MotionApps,ꢀDigitalꢀMotionꢀProcessor,ꢀAARꢀandꢀtheꢀInvenSenseꢀlogoꢀareꢀtrademarksꢀofꢀInvenSense,ꢀInc.ꢀOtherꢀcompanyꢀandꢀproductꢀ
namesꢀmayꢀbeꢀtrademarksꢀofꢀtheꢀrespectiveꢀcompaniesꢀwithꢀwhichꢀtheyꢀareꢀassociated.ꢀ
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©2016ꢀInvenSense,ꢀInc.ꢀAllꢀrightsꢀreserved.ꢀ
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DocumentꢀNumber:ꢀDS-000069ꢀꢀ
Revision:ꢀ1.2ꢀ
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