高度计用高分辨率气压模块MS5611

MS5611-01BA03VariometerModule,withstainlesssteelcapDA5611-01BA03_008Jun07,2011000056111624ECN15061/20•Highresolutionmodule,10cm•Fastconversiondownto1ms•Lowpower,1µA(standby0.15µA)•QFNpackage5.0x3.0x1.0mm3•Supplyvoltage1.8to3.6V•Integrateddigitalpressuresensor(24bitΔΣADC)•Operatingrange:10to1200mbar,-40to+85°C•I2CandSPIinterfaceupto20MHz•Noexternalcomponents(Internaloscillator)•ExcellentlongtermstabilityDESCRIPTIONTheMS5611-01BAisanewgenerationofhighresolutionaltimetersensorsfromMEASSwitzerlandwithSPIandI2Cbusinterface.Itisoptimizedforaltimetersandvariometerswithanaltituderesolutionof10cm.Thesensormoduleincludesahighlinearitypressuresensorandanultralowpower24bitΔΣADCwithinternalfactorycalibratedcoefficients.Itprovidesaprecisedigital24Bitpressureandtemperaturevalueanddifferentoperationmodesthatallowtheusertooptimizeforconversionspeedandcurrentconsumption.Ahighresolutiontemperatureoutputallowstheimplementationofanaltimeter/thermometerfunctionwithoutanyadditionalsensor.TheMS5611-01BAcanbeinterfacedtovirtuallyanymicrocontroller.Thecommunicationprotocolissimple,withouttheneedofprogramminginternalregistersinthedevice.Smalldimensionsofonly5.0mmx3.0mmandaheightofonly1.0mmallowforintegrationinmobiledevices.ThisnewsensormodulegenerationisbasedonleadingMEMStechnologyandlatestbenefitsfromMEASSwitzerlandprovenexperienceandknow-howinhighvolumemanufacturingofaltimetermodules,whichhavebeenwidelyusedforoveradecade.Thesensingprincipleemployedleadstoverylowhysteresisandhighstabilityofbothpressureandtemperaturesignal.FEATURESFIELDOFAPPLICATIONTECHNICALDATA•Mobilealtimeter/barometersystemsSensorPerformances(VDD=3V)•BikecomputersPressureMinTypMaxUnit•VariometersRange101200mbar•HeightsensingformedicalalarmsADC24bit•IndoornavigationResolution(1)0.065/0.042/0.027/0.018/0.012mbarAccuracy25°C,750mbar-1.5+1.5mbarErrorband,-20°Cto+85°C,450to1100mbar(2)-2.5+2.5mbarResponsetime(1)0.5/1.1/2.1/4.1/8.22msLongtermstability-1mbar/yrTemperatureMinTypMaxUnitRange-40+85°CResolution0.01°CAccuracy-0.8+0.8°CFUNCTIONALBLOCKDIAGRAMVDDGNDPSSCLKSDOSDI/SDAMeas.MUXADCDigitalInterfaceMemory(PROM)128bitsSENSORSGND+IN-INdig.FilterSensorInterfaceICPGACSBNotes:(1)OversamplingRatio:256/512/1024/2048/4096(2)Withautozeroatonepressurepoint°COverpressurePmax6barMaximumSolderingTemperatureTmax40secmax250°CESDratingHumanBodyModel-4+4kVLatchupJEDECstandardNo78-100+100mAELECTRICALCHARACTERISTICSParameterSymbolConditionsMin.Typ.MaxUnitOperatingSupplyvoltageVDD1.83.03.6VOperatingTemperatureT-40+25+85°CSupplycurrent(1samplepersec.)IDDOSR40962048102451225612.56.33.21.70.9µAPeaksupplycurrentduringconversion1.4mAStandbysupplycurrentat25°C0.020.14µAVDDCapacitorFromVDDtoGND100nFANALOGDIGITALCONVERTER(ADC)ParameterSymbolConditionsMin.Typ.MaxUnitOutputWord24bitConversiontimetcOSR4096204810245122567.403.721.880.950.488.224.132.081.060.549.044.542.281.170.60ms(CONTINUED)PRESSUREOUTPUTCHARACTERISTICS(VDD=3V,T=25°CUNLESSOTHERWISENOTED)ParameterConditionsMin.Typ.MaxUnitOperatingPressureRangePrangeFullAccuracy4501100mbarExtendedPressureRangePextLinearRangeofADC101200mbarTotalErrorBand,noautozeroat25°C,700..1100mbarat0..50°C,450..1100mbarat-20..85°C,450..1100mbarat-40..85°C,450..1100mbar-1.5-2.0-3.5-6.0+1.5+2.0+3.5+6.0mbarTotalErrorBand,autozeroatonepressurepointat25°C,700..1100mbarat10..50°C,450..1100mbarat-20..85°C,450..1100mbarat-40..85°C,450..1100mbar-0.5-1.0-2.5-5.0+0.5+1.0+2.5+5.0mbarMaximumerrorwithsupplyvoltageVDD=1.8V…3.6V-2.5+2.5mbarLong-termstability-1mbar/yrRecoveringtimeafterreflow(1)7daysResolutionRMSOSR4096204810245122560.0120.0180.0270.0420.065mbar(1)Timetorecoveringatleast66%ofthereflowimpactTEMPERATUREOUTPUTCHARACTERISTICS(VDD=3V,T=25°CUNLESSOTHERWISENOTED)ParameterConditionsMin.Typ.MaxUnitAbsoluteAccuracyat25°C-20..85°C-40..85°C-0.8-2.0-4.0+0.8+2.0+4.0°CMaximumerrorwithsupplyvoltageVDD=1.8V…3.6V-0.5+0.5°CResolutionRMSOSR4096204810245122560.0020.0030.0050.0080.012°C(CONTINUED)DIGITALINPUTS(CSB,I2C,DIN,SCLK)ParameterSymbolConditionsMin.Typ.MaxUnitSerialdataclockSCLKSPIprotocol20MHzInputhighvoltageVIHPinsCSB80%VDD100%VDDVInputlowvoltageVIL0%VDD20%VDDVInputleakagecurrentIleak25°CIleak85°Cat25°C0.15µAPRESSUREOUTPUTS(I2C,DOUT)ParameterSymbolConditionsMin.Typ.MaxUnitOutputhighvoltageVOHIsource=1.0mA80%VDD100%VDDVOutputlowvoltageVOLIsink=1.0mA0%VDD20%VDDVLoadcapacitanceCLOAD16pF