HDC1080 Low Power, High Accuracy Digital Humidity Sensor ...

1 VADCTEMPERATURERHI2 CRegisters+LogicHDC1080 SDASCLOTPC alibration VProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityReferenceDesignHDC1080 SNAS672A NOVEMBER2015 REVISEDJANUARY2016 HDC1080 Low Power, high AccuracyDigitalHumiditySensorwith TemperatureSensor1 Features3 DescriptionTheHDC1080is a digitalhumiditysensorwith1 RelativeHumidityAccuracy 2% (typical)integratedtemperaturesensorthat providesexcellent TemperatureAccuracy C (typical)measurementaccuracyat ExcellentStabilityat HighHumidityHDC1080operatesovera widesupplyrange,and isa low cost,low poweralternativeto competitive 14 Bit MeasurementResolutionsolutionsin a widerangeof commonapplications.

2 100 nA SleepModeCurrentThehumidityandtemperatur esensorsare factory AverageSupplyCurrent:calibrated. 710 nA @ 1sps,11 bit RH MeasurementDeviceInformation(1) A @ 1sps,11 bit RH and TemperaturePARTM easurementPACKAGEBODYSIZE(NOM)NUMBER V to VHDC1080 PWSON(6-pin) x Small3 mm x 3 mm DeviceFootprint(1) For all availablepackages,see the orderableaddendumat I2C Interfacethe end of the Applications HVAC SmartThermostatsand RoomMonitors WhiteGoods Printers HandheldMeters MedicalDevices WirelessSensor(TIDA:00374, 00484, 00524)4 TypicalApplication1An IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand NOVEMBER2015 Applicationand Pin Configurationand 187 Deviceand Mechanical,Packaging,and RevisionHistoryChangesfromOriginal(Novem ber2015)to RevisionAPage ProductPreviewto 2015 2016,TexasInstrumentsIncorporatedProduct FolderLinks.

3 HDC1080 Top NOVEMBER2015 REVISEDJANUARY20166 Pin Configurationand FunctionsDMBP ackage6 Pin PWSONTop ViewPin FunctionsPINI/O TYPE(1) for I2C, open-drain;requiresa pull-upresistorto VDDGND2 GGroundNC3,4-Thesepins may be left floating,or connectedto GNDVDD5 PSupplyVoltageSCL6 ISerialclockline for I2C, open-drain;requiresa pull-upresistorto VDDDAPDAP-Die left floating.(On bottomof the device,not shownin the figure)(1)P= Power, G=Ground,I=Input,O=Out putCopyright 2015 2016,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks: HDC1080 HDC1080 SNAS672A NOVEMBER2015 (1) C(1)StressesbeyondthoselistedunderAbsolu teMaximumRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions.

4 Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay (HBM),per ANSI/ESDA/JEDECJS-001(1) 2000V(ESD)ElectrostaticdischargeVCharged -devicemodel(CDM),per JEDEC specificationJESD22- 500C101(2)(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (unlessotherwisenoted) , TemperaturesensorAmbientOperatingTempera ture-40125 CTA, Humiditysensor(1)AmbientOperatingTempera ture-2070 CTA, Humiditysensor(1)FunctionalOperatingTemp erature-2085 C(1)See (1)PWSON(DMB)UNIT6 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/WR JC(bot)Junction-to-case(bottom) C/W(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC PackageThermalMetricsapplicationreport, 2015 2016, NOVEMBER2015 (1)

5 The electricalratingsspecifiedin this sectionapplyto all specificationsin this document, 30 C,RH = 40%,and VDD= (2)MIN(3)TYP(4)MAX(3)UNITPOWERCONSUMPTIO NIDDS upplyCurrentRH measurement,bit 12 of 0x02register=190220 A0(5)Temperaturemeasurement,bit 12 of 0x02160185 Aregister= 0(5)SleepMode100200nAAverage@ 1 measurement/second,RH (11710nAbit), bit 12 of 0x02register= 0(5)(6)Average@ 1 measurement/second,Temp590nA(11 bit), bit 12 of 0x02register= 0(5)(6)Average@ 1 measurement/second, A(11bit)+temperature(11 bit), bit 12 of 0x02register= 1(5)(6)Startup(averageon Start-uptime)300 AIHEATH eaterCurrent(7) @ 1 measurement/second,RH50 A(11bit)+temperature(11 bit), bit 12 of 0x02register= 1(5)(6)RELATIVEHUMIDITYSENSORRHACCA ccuracyReferto Figure2 in TypicalCharacteristics 2% (7)14 bit resolution (8)10% RH 70% 1%RHRHRTR esponseTime(9)t63%(10)15sRHCTC onversionTime(7)8 bit bit bit (11)Non-condensing0100%RHRHLTDLongTermDr ift(12) (7)5 C < TA< 60 C CTEMPREPR epeatability(7)14 bit resolution CTEMPCTC onversionTime(7)11 bit bit (1)

6 ElectricalCharacteristicsTablevaluesappl yonly for factorytestingconditionsat the very limitedself-heatingof the devicesuchthat TJ = TA. No guaranteeof parametricperformanceis indicatedin the electricaltablesunderconditionsof internalself-heatingwhereTJ > TA. AbsoluteMaximumRatingsindicatejunctionte mperaturelimitsbeyondwhichthe devicemay be permanentlydegraded,eithermechanicallyor electrically.(2)Registervaluesare representedas eitherbinary(b is the prefixto the digits),or hexadecimal(0x is the prefixto the digits).Decimalvalueshaveno prefix.(3)Limitsare ensuredby testing,design,or statisticalanalysisat 30 C.

7 Limitsoverthe operatingtemperaturerangeare ensuredthroughcorrelationsusingstatistic alqualitycontrol(SQC)method.(4)Typicalva luesrepresentthe mostlikelyparametricnormas determinedat the time of varyovertime and will also dependon the applicationand typicalvaluesare not testedand are not guaranteedonshippedproductionmaterial.(5 )I2C read/writecommunicationand pull-upresistorscurrentthroughSCLand SDAnot included.(6)Averagecurrentconsumptionwhi leconversionis in progress.(7)This parameteris specifiedby designand/orcharacterizationand it is not testedin production.

8 (8)The hysteresisvalueis the differencebetweenan RH measurementin a risingand fallingRH environment,at a specificRH point.(9)Actualresponsetimeswill vary dependenton systemthermalmassand air-flow.(10)Timefor the RH outputto changeby 63%of the total RH changeaftera step changein environmentalhumidity.(11)Recommendedhum idityoperatingrangeis 10%to 70%RH. Prolongedoperationoutsidethis rangemay resultin a measurementoffsetwill decreaseafteroperatingthe sensorin this recommendedoperatingrange.(12)Drift due to agingeffectsat typicalconditions(30 C and 20%to 50%RH).

9 This valuemay be impactedby dust,vaporizedsolvents,out-gassingtapes, adhesives,packagingmaterials, 2015 2016,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLinks: HDC1080 SCLSDAtLOWtHIGHSTARTREPEATEDSTARTSTOPSTA RTtSPHDC1080 SNAS672A NOVEMBER2015 InterfaceElectricalCharacteristicsAt TA=30 C, VDD=3V (unlessotherwisenoted)PARAMETERTESTCONDI TIONMINTYPMAXUNITI2C (1) all (1)This parameteris specifiedby designand/orcharacterizationand it is not testedin InterfaceTimingRequirementsPARAMETERTEST CONDITIONMINNOMMAXUNITI2C INTERFACEVOLTAGELEVELfSCLC lockFrequency10400kHztLOWC lockLow stSPPulsewidthof spikesthat mustbe50nssuppressedby the inputfilter(1)

10 TSTARTD eviceStart-uptimeFromVDD V to readyfor a1015msconversion(1)(2)(1)This parameteris specifiedby designand/orcharacterizationand it is not testedin production.(2)Withinthis intervalit is not possibleto communicateto the I2C Timing6 SubmitDocumentationFeedbackCopyright 2015 2016,TexasInstrumentsIncorporatedProduct FolderLinks: HDC1080 Vdd (V)Idd (PA) -20 CT= 25 CT= 40 CT= 85 CT= 125 CTemp ( C)Idd (PA)025507510012510012515017520022525027 5300 Vdd= (V)Idd (PA) -20 CT= 25 CT= 40 CT= 85 CT= 125 CTemp ( C)Idd (PA)025507510012510012515017520022525027 5300 Vdd= (%)RH Accuracy (+/- %RH)0102030405060708090100012345678910D0 01 TypicalTemp ( C) Accuracy (r C) NOVEMBER2015 30 C, VDD= RH Accuracyvs.