Texas Instruments LMT01 Handleiding
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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
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
±50 ±25
0255075100125150
Temperature Accuracy (ƒC)
LMT01 Junction Temperaure (ƒC)
C014
Max Limit
Min Limit
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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
LMT01
SNIS189D–JUNE2015–REVISEDJUNE2018
LMT010.5°CAccurate2-PinDigitalOutputTemperatureSensorWithPulseCount
Interface
1
1Features
1
•HighAccuracyOver–50°Cto150°CWide
TemperatureRange
––20°Cto90°C:±0.5°C(Maximum)
–90°Cto150°C:±0.625°C(Maximum)
––50°Cto–20°C:±0.7°C(Maximum)
•PrecisionDigitalTemperatureMeasurement
Simplifiedina2-PinPackage
•PulseCountCurrentLoopEasilyReadby
Processor.NumberofOutputPulsesis
ProportionaltoTemperatureWith0.0625°C
Resolution
•CommunicationFrequency:88kHz
•ConversionCurrent:34µA
•ContinuousConversionPlusData-Transmission
Period:100ms
•Floating2-Vto5.5-V(VP–VN)SupplyOperation
WithIntegratedEMIImmunity
•Multiple2-PinPackageOfferings:TO-92/LPG(3.1
mm×4mm×1.5mm)–½theSizeofTraditional
TO-92andWSONWithWettableFlanks
2Applications
•DigitalOutputWiredProbes
•WhiteGoods
•HVAC
•PowerSupplies
•BatteryManagement
LMT01Accuracy
Typicalunitsplottedincenterofcurve.
3Description
TheLMT01deviceisahigh-accuracy,2-pin
temperaturesensorwithaneasy-to-usepulsecount
currentloopinterface,whichmakesitsuitablefor
onboardandoffboardapplicationsinautomotive,
industrial,andconsumermarkets.TheLMT01digital
pulsecountoutputandhighaccuracyoverawide
temperaturerangeallowpairingwithanyMCU
withoutconcernforintegratedADCqualityor
availability,whileminimizingsoftwareoverhead.TI’s
LMT01deviceachievesamaximum±0.5°Caccuracy
withveryfineresolution(0.0625°C)overa
temperaturerangeof–20°Cto90°Cwithoutsystem
calibrationorhardwareandsoftwarecompensation.
TheLMT01’spulsecountinterfaceisdesignedto
directlyinterfacewithaGPIOorcomparatorinput,
therebysimplifyinghardwareimplementation.
Similarly,theLMT01'sintegratedEMIsuppression
andsimple2-pinarchitecturemakesitsuitablefor
onboardandoffboardtemperaturesensinginanoisy
environment.TheLMT01devicecanbeeasily
convertedintoatwo-wiretemperatureprobewitha
wirelengthuptotwometers.SeeLMT01-Q1forthe
automotivequalifiedversion.
DeviceInformation
(1)
PARTNUMBERPACKAGEBODYSIZE(NOM)
LMT01LPGTO-92(2)4.00mm×3.15mm
LMT01DQXWSON(2)1.70mm×2.50mm
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
2-PinICTemperatureSensor
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | LMT01 |
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