Texas Instruments LMT87 Handleiding

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LMT87

OUT

GND

V

DD

C

BP

V

DD

(+2.7V to +5.5V)

Copyright © 2016, Texas Instruments Incorporated

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FINAL TEMPERATURE

020406080100

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D003

LMT8xLPG

Thermistor

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LMT87

SNIS170E–JANUARY2014–REVISEDOCTOBER2017

LMT872.7-V,SC70/TO-92/TO-92S,

AnalogTemperatureSensorsWithClass-ABOutput

1

1Features

1

•LMT87LPG(TO-92Spackage)hasaFast

ThermalTimeConstant,10-sTypical(1.2m/s

Airflow)

•VeryAccurate:±0.4°CTypical

•Low2.7-VOperation

•AverageSensorGainof-13.6mV/°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

TheLMT87deviceisaprecisionCMOStemperature

sensorwith±0.4°Ctypicalaccuracy(±2.7°C

maximum)andalinearanalogoutputvoltagethatis

inverselyproportionaltotemperature.The2.7-V

supplyvoltageoperation,5.4-μAquiescentcurrent,

and0.7-mspower-ontimeenableeffectivepower-

cyclingarchitecturestominimizepowerconsumption

forbattery-poweredapplicationssuchasdronesand

sensornodes.TheLMT87LPGthrough-holeTO-92S

packagefastthermaltimeconstantsupportsoff-

boardtime-temperaturesensitiveapplicationssuch

assmokeandheatdetectors.Theaccuracyoverthe

wideoperatingrangeandotherfeaturesmakethe

LMT87anexcellentalternativetothermistors.

Fordeviceswithdifferentaveragesensorgainsand

comparableaccuracy,refertoComparable

AlternativeDevicesforalternativedevicesinthe

LMT8xfamily.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LMT87

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