Datasheet > SHT25

SHT25

更新时间： 2024-11-18 12:28:03

品牌	Logo	应用领域
其他 - ETC		传感器温度传感器
页数	文件大小	规格书
12页	426K
描述
Humidity and Temperature Sensor

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中文翻译

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数据手册

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SHT25 数据手册

ꢀ

Preliminary Datasheet SHT25

HumidityꢀandꢀTemperatureꢀSensorꢀ

ꢀ

ꢀ Fullyꢀcalibratedꢀwithꢀ1.8%RHꢀaccuracyꢀ

ꢀ Digitalꢀoutput,ꢀI²Cꢀinterfaceꢀ

ꢀ Lowꢀpowerꢀconsumptionꢀ

ꢀ Excellentꢀlongꢀtermꢀstabilityꢀ

ꢀ DFNꢀtypeꢀpackageꢀ–ꢀreflowꢀsolderableꢀ

ꢀ

Product Summary

ꢀ

Everyꢀ sensorꢀ isꢀ individuallyꢀ calibratedꢀ andꢀ tested.ꢀ Lotꢀ

identificationꢀ isꢀ printedꢀ onꢀ theꢀ sensorꢀ andꢀ anꢀ electronicꢀ

identificationꢀcodeꢀisꢀstoredꢀonꢀtheꢀchipꢀ–ꢀwhichꢀcanꢀbeꢀ

readꢀ outꢀ byꢀ command.ꢀ Furthermore,ꢀ theꢀ resolutionꢀ ofꢀ

SHT25ꢀ canꢀ beꢀ changedꢀ byꢀ commandꢀ (8/12bitꢀ upꢀ toꢀ

12/14bitꢀ forꢀ RH/T),ꢀ lowꢀ batteryꢀ canꢀ beꢀ detectedꢀ andꢀ aꢀ

checksumꢀhelpsꢀtoꢀimproveꢀcommunicationꢀreliability.ꢀꢀ

SHT25,ꢀ theꢀ newꢀ humidityꢀ andꢀ temperatureꢀ sensorꢀ ofꢀ

Sensirionꢀisꢀaboutꢀtoꢀsetꢀnewꢀstandardsꢀinꢀtermsꢀofꢀsizeꢀ

andꢀ intelligence:ꢀ Embeddedꢀ inꢀ aꢀ reflowꢀ solderableꢀ Dualꢀ

FlatꢀNoꢀleadsꢀ(DFN)ꢀpackageꢀofꢀ3ꢀxꢀ3mmꢀfootꢀprintꢀandꢀ

1.1mmꢀheightꢀitꢀprovidesꢀcalibrated,ꢀlinearizedꢀsignalsꢀinꢀ

digital,ꢀtrueꢀI²Cꢀformat.ꢀ

Withꢀ aꢀ completelyꢀ newꢀ designedꢀ CMOSens®ꢀ chip,ꢀ aꢀ

reworkedꢀ capacitiveꢀ typeꢀ humidityꢀ sensorꢀ andꢀ anꢀ

improvedꢀbandꢀgapꢀtemperatureꢀsensorꢀtheꢀperformanceꢀ

hasꢀbeenꢀliftedꢀevenꢀbeyondꢀtheꢀoutstandingꢀlevelꢀofꢀtheꢀ

previousꢀ sensorꢀ generationꢀ (SHT1xꢀ andꢀ SHT7x).ꢀ Forꢀ

example,ꢀ measuresꢀ haveꢀ beenꢀ takenꢀ toꢀ stabilizeꢀ theꢀ

behaviorꢀatꢀhighꢀhumidityꢀlevels.ꢀ

Withꢀ madeꢀ improvementsꢀ andꢀ theꢀ miniaturizationꢀ ofꢀ theꢀ

sensorꢀtheꢀperformanceꢁtoꢁpriceꢀratioꢀhasꢀbeenꢀimprovedꢀ

–ꢀ andꢀ eventually,ꢀ anyꢀ deviceꢀ shouldꢀ benefitꢀ fromꢀ theꢀ

cuttingꢀ edgeꢀ energyꢀ savingꢀ operationꢀ mode.ꢀ Forꢀ testingꢀ

SHT25ꢀaꢀnewꢀevaluationꢀKitꢀEKꢁH4ꢀisꢀavailable.ꢀ

ꢀ

Dimensions

Sensor Chip

3.0ꢀ

SHT25ꢀ featuresꢀ aꢀ generationꢀ 4Cꢀ CMOSens®ꢀ chip.ꢀ

Besidesꢀ theꢀ capacitiveꢀ relativeꢀ humidityꢀ sensorꢀ andꢀ theꢀ

bandꢀ gapꢀ temperatureꢀ sensor,ꢀ theꢀ chipꢀ containsꢀ anꢀ

amplifier,ꢀ A/Dꢀ converter,ꢀ OTPꢀ memoryꢀ andꢀ aꢀ digitalꢀ

0.3ꢀtypꢀ

processingꢀunit.ꢀꢀ

ꢀ

0.8ꢀtypꢀ

1.1ꢀ

2.2ꢀ

Material Contents

Whileꢀ theꢀ sensorꢀ itselfꢀ isꢀ madeꢀ ofꢀ Siliconꢀ theꢀ sensors’ꢀ

housingꢀ consistsꢀ ofꢀ aꢀ platedꢀ Cuꢀ leadꢁframeꢀ andꢀ greenꢀ

epoxyꢁbasedꢀ moldꢀ compound.ꢀ Theꢀ deviceꢀ isꢀ fullyꢀ RoHSꢀ

andꢀWEEEꢀcompliant,ꢀe.g.ꢀfreeꢀofꢀPb,ꢀCdꢀandꢀHg.ꢀ

ꢀ

BottomꢀViewꢀ

0.4ꢀ

0.3ꢀ

NCꢀ VDDꢀ SCLꢀ

2.4ꢀ

Additional Information and Evaluation Kits

Additionalꢀ informationꢀ suchꢀ asꢀ Applicationꢀ Notesꢀ isꢀ

availableꢀ fromꢀ theꢀ webꢀ pageꢀ www.sensirion.com/sht25.ꢀ

Forꢀ moreꢀ informationꢀ pleaseꢀ contactꢀ Sensirionꢀ viaꢀ

info@sensirion.com.ꢀ

VSSꢀ SDAꢀ

NCꢀ

1.0ꢀ

Figure 1: DrawingꢀofꢀSHT25ꢀsensorꢀpackage,ꢀdimensionsꢀareꢀ

givenꢀinꢀmmꢀ(1mmꢀ=ꢀ0.039inch),ꢀtolerancesꢀareꢀ±0.1mm.ꢀTheꢀ

dieꢀ padꢀ (centerꢀ pad)ꢀ isꢀ internallyꢀ connectedꢀ toꢀ VSS.ꢀ Theꢀ NCꢀ

padsꢀ mustꢀ beꢀ leftꢀ floating.ꢀ VSSꢀ =ꢀ GND,ꢀ SDAꢀ =ꢀ DATA.ꢀ

NumberingꢀofꢀE/Oꢀpadsꢀstartsꢀatꢀlowerꢀrightꢀcornerꢀ(indicatedꢀbyꢀ

notchꢀinꢀdieꢀpad)ꢀandꢀgoesꢀclockwiseꢀ(compareꢀTableꢀ2).ꢀ

Forꢀ SHT25ꢀ twoꢀ Evaluationꢀ Kitsꢀ areꢀ available:ꢀ EKꢁH4,ꢀ aꢀ

fourꢁchannelꢀdeviceꢀwithꢀViewerꢀSoftware,ꢀthatꢀalsoꢀservesꢀ

forꢀdataꢁlogging,ꢀandꢀaꢀsimpleꢀEKꢁH5ꢀdirectlyꢀconnectingꢀ

oneꢀsensorꢀviaꢀUSBꢀportꢀtoꢀaꢀcomputer.ꢀꢀ

ꢀ

www.sensirion.com

ꢀ

Versionꢀ0.91ꢀ–ꢀOctoberꢀ2010ꢀ

1/12

12 3 4 5 6 7...12

中文翻译

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与SHT25相关器件

型号	品牌	获取价格	描述	数据表
SH-T2500A	ETC	获取价格	Shunt Resistors
SHT50V221MD102	MERITEK	获取价格	Surface Mount Aluminum Electrolytic Capacitors
SHT50V221ME102	MERITEK	获取价格	Surface Mount Aluminum Electrolytic Capacitors
SHT50V221MF102	MERITEK	获取价格	Surface Mount Aluminum Electrolytic Capacitors
SHT50V221MH102	MERITEK	获取价格	Surface Mount Aluminum Electrolytic Capacitors
SHT50V221MJ102	MERITEK	获取价格	Surface Mount Aluminum Electrolytic Capacitors
SHT6.3X32	SCHURTER	获取价格	Cartridge Fuse, 6.3x32 mm, 400-500 VAC, 400 VDC, 1-32 A, High Breaking Capacity up to 3500
SHT6.3X32_18	SCHURTER	获取价格	Cartridge Fuse, 6.3x32 mm, 400-500 VAC, 400 VDC, 1-32 A, High Breaking Capacity up to 3500
SHT71	ETC	获取价格	Humidity & Temperature Sensor
SHT75	ETC	获取价格	Humidity & Temperature Sensor

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