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TIME (s)

FINAL TEMPERATURE

020406080100

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D003

LMT8xLPG

Thermistor

LMT85

OUT

GND

V

DD

C

BP

V

DD

(+1.8V to +5.5V)

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LMT85

SNIS168E–MARCH2013–REVISEDOCTOBER2017

LMT851.8-V,SC70/TO-92/TO-92S,

AnalogTemperatureSensors

1

1Features

1

•LMT85LPG(TO-92Spackage)hasaFast

ThermalTimeConstant,10-sTypical(1.2m/s

Airflow)

•VeryAccurate:±0.4°CTypical

•Low1.8-VOperation

•AverageSensorGainof-8.2mV/°C

•Low5.4-µAQuiescentCurrent

•WideTemperatureRange:–50°Cto150°C

•OutputisShort-CircuitProtected

•Push-PullOutputWith±50-µADriveCapability

•FootprintCompatibleWiththeIndustry-Standard

LM20/19andLM35TemperatureSensors

•Cost-EffectiveAlternativetoThermistors

2Applications

•Automotive

•InfotainmentandCluster

•PowertrainSystems

•SmokeandHeatDetectors

•Drones

•Appliances

(1)Forallavailablepackages,seetheorderableaddendum

addendumattheendofthedatasheet.

3Description

TheLMT85isaprecisionCMOStemperaturesensor

with±0.4°Ctypicalaccuracy(±2.7°Cmaximum)and

alinearanalogoutputvoltagethatisinversely

proportionaltotemperature.The1.8-Vsupplyvoltage

operation,5.4-μAquiescentcurrent,and0.7-ms

power-ontimeenableeffectivepower-cycling

architecturestominimizepowerconsumptionfor

battery-poweredapplicationssuchasdronesand

sensornodes.TheLMT85LPGthrough-holeTO-92S

packagefastthermaltimeconstantsupportsoff-

boardtime-temperaturesensitiveapplicationssuch

assmokeandheatdetectors.Theaccuracyoverthe

wideoperatingrangeandotherfeaturesmakethe

LMT85anexcellentalternativetothermistors.

Fordeviceswithdifferentaveragesensorgainsand

comparableaccuracy,refertoComparable

AlternativeDevicesforalternativedevicesinthe

LMT8xfamily.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LMT85

SOT(5)2.00mm×1.25mm

TO-92(3)4.30mm×3.50mm

TO-92S(3)4.00mm×3.15mm

ThermalTimeConstant

*FastthermalresponseNTC

OutputVoltagevsTemperature

Product specificaties