Texas Instruments LMT01-Q1 Handleiding

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±50 ±25

0255075100125150

Temperature Accuracy (ƒC)

LMT01 Junction Temperaure (ƒC)

C014

Max Limit

Min Limit

MCU/

FPGA/

ASIC

V

DD

: 3.0V to 5.5V

GPIO

GPIO/

COMP

LMT01

VP

VN

Up to 2m

Min 2.0V

LMT01 Pulse Count Interface

Power Off

Conversion Time

ADC Conversion Result

Power On

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

LMT01-Q1

SNIS192C–NOVEMBER2016–REVISEDJUNE2018

LMT01-Q10.5°CAccurate2-PinDigitalOutputTemperatureSensorWithPulseCount

Interface

1

1Features

1

•AEC-Q100QualifiedWiththeFollowingResults:

–TemperatureGrade0(E):–40°Cto+150°C

(2)

–TemperatureGrade1(Q):–40°Cto+125°C

–HBMESDComponentClassificationLevel2

–CDMESDComponentClassificationLevelC5

•HighAccuracyOver–40°Cto150°CWide

TemperatureRange

––20°Cto90°C:±0.5°C(Maximum)

–90°Cto120°C:±0.625°C(Maximum)

––40°Cto–20°C:±0.625°C(Maximum)

•PrecisionDigitalTemperatureMeasurement

Simplifiedina2-PinPackage

•PulseCountCurrentLoopEasilyReadby

Processor.PulseCountProportionalto

TemperatureWith0.0625°CResolution

•CommunicationFrequency:88kHz

•ConversionCurrent:34µA

•ContinuousTemperatureUpdateEvery100ms

•Floating2-Vto5.5-V(VP–VN)SupplyOperation

WithIntegratedEMIImmunity

•Multiple2-PinPackageOfferings:TO-92/LPG(3.1

mm×4mm×1.5mm)–½theSizeofTraditional

TO-92andWSONWithWettableFlanks

2Applications

•Automotive

–BatteryManagementSystems

–EngineManagementandADAS

•DigitalOutputWiredProbes

•HVAC

•PowerSuppliesandBatteryManagement

LMT01-Q1Accuracy

Typicalunitsplottedincenterofcurve.

3Description

TheLMT01-Q1deviceisahigh-accuracy,2-pin

temperaturesensorwithaneasy-to-usepulsecount

currentloopinterface,whichmakesitsuitablefor

onboardandoffboardapplicationsinautomotive,

industrial,andconsumermarkets.TheLMT01-Q1

digitalpulsecountoutputandhighaccuracyovera

widetemperaturerangeallowpairingwithanyMCU

withoutconcernforintegratedADCqualityor

availability,whileminimizingsoftwareoverhead.TI’s

LMT01-Q1deviceachievesamaximum±0.5°C

accuracywithveryfineresolution(0.0625°C)overa

temperaturerangeof–20°Cto90°Cwithoutsystem

calibrationorhardwareandsoftwarecompensation.

TheLMT01-Q1’spulsecountinterfaceisdesignedto

directlyinterfacewithaGPIOorcomparatorinput,

therebysimplifyinghardwareimplementation.

Similarly,theLMT01-Q1'sintegratedEMI

suppressionandsimple2-pinarchitecturemakesit

suitableforonboardandoffboardtemperature

sensinginanoisyenvironment.TheLMT01-Q1

devicecanbeeasilyconvertedintoatwo-wire

temperatureprobewithawirelengthuptotwo

meters.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LMT01QLPGTO-92(2)4.00mm×3.15mm

LMT01ELPGTO-92(2)4.00mm×3.15mm

LMT01QDQXWSON(2)1.70mm×2.50mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

(2)ApplicableonlyfortheLPGpackage.

2-PinICTemperatureSensor

Product specificaties