Texas Instruments LMT89 Handleiding

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LMT89

+2.4V to +5.5V

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LMT89

SNIS176A–MARCH2013–REVISEDJANUARY2015

LMT892.4-V,10-µA,SC70TemperatureSensor

1Features3Description

TheLMT89deviceisaprecisionanalogoutput

1

•Cost-EffectiveAlternativetoThermistors

CMOSintegrated-circuittemperaturesensorthat

•Ratedforfull−55°Cto130°CRange

operatesovera−55°Cto130°Ctemperaturerange.

•AvailableinanSC70Package

Thepowersupplyoperatingrangeis2.4Vto5.5V.

ThetransferfunctionofLMT89deviceis

•PredictableCurvatureError

predominatelylinear,yethasaslightpredictable

•SuitableforRemoteApplications

paraboliccurvature.TheaccuracyoftheLMT89

device,whenspecifiedtoaparabolictransfer

2Applications

function,istypically±1.5°Catanambient

temperatureof30°C.Thetemperatureerror

•Industrial

increaseslinearlyandreachesamaximumof±2.5°C

•HVAC

atthetemperaturerangeextremes.Thetemperature

•Automotive

rangeisaffectedbythepowersupplyvoltage.Ata

•DiskDrives

powersupplyvoltageof2.7Vto5.5V,the

temperaturerangeextremesare130°Cand−55°C.

•PortableMedicalInstruments

Decreasingthepowersupplyvoltageto2.4V

•Computers

changesthenegativeextremeto−30°C,whilethe

•BatteryManagement

positiveremainsat130°C.

•Printers

ThequiescentcurrentoftheLMT89deviceisless

•PowerSupplyModules

than10μA.Therefore,self-heatingislessthan

0.02°Cinstillair.ShutdowncapabilityfortheLMT89

•FAXMachines

deviceisintrinsicbecauseitsinherentlowpower

•MobilePhones

consumptionallowsittobepowereddirectlyfromthe

•Automotive

outputofmanylogicgatesordoesnotnecessitate

shutdownatall.

TheLMT89deviceisacost-competitivealternativeto

thermistors.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LMT89SOT(5)2.00mm×1.25mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

SimplifiedSchematicOutputVoltagevsTemperature

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Product specificaties