Texas Instruments ADS1018 Bedienungsanleitung
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Digital Filter
and
Interface
Oscillator
Voltage
Reference
Temperature
Sensor
Mux
PGA
12-bit
û
ADC
AIN0
AIN1
SCLK
CS
VDD
GND
DOUT/DRDY
DIN
ADS1018
0.1 F
AIN2
AIN3
3.3 V
3.3 V
3.3 V
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Design
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
ADS1018
SBAS526D–NOVEMBER2012–REVISEDSEPTEMBER2019
ADS1018Ultrasmall,Low-Power,SPI™-Compatible,12-Bit,
Analog-to-DigitalConverterWithInternalReferenceandTemperatureSensor
1
1Features
1
•UltrasmallX2QFNPackage
2mm×1.5mm×0.4mm
•12-BitNoise-FreeResolution
•WideSupplyRange:2Vto5.5V
•LowCurrentConsumption:
–ContinuousMode:Only150μA
–Single-ShotMode:AutomaticPower-Down
•ProgrammableDataRate:128SPSto3300SPS
•Single-CycleSettling
•InternalLow-DriftVoltageReference
•InternalTemperatureSensor:
2°C(max)Error
•InternalOscillator
•InternalPGA
•FourSingle-EndedorTwoDifferentialInputs
•SpecifiedTemperature:–40°Cto+125°C
2Applications
•TemperatureMeasurement:
–ThermocoupleMeasurement
–Cold-JunctionCompensation
–ThermistorMeasurement
•PortableInstrumentation
•FactoryAutomationandProcessControls
3Description
TheADS1018isaprecision,low-power,12-bit,noise-
free,analog-to-digitalconverter(ADC)thatprovides
allfeaturesnecessarytomeasurethemostcommon
sensorsignalsinanultrasmall,leadless,X2QFN-10
orVSSOP-10package.TheADS1018integratesa
programmablegainamplifier(PGA),voltage
reference,oscillatorandhigh-accuracytemperature
sensor.Thesefeatures,alongwithawidepower-
supplyrangefrom2Vto5.5V,maketheADS1018
ideallysuitedforpower-andspace-constrained,
sensor-measurementapplications.
TheADS1018performsconversionsatdataratesup
to3300samplespersecond(SPS).ThePGAoffers
inputrangesfrom±256mVto±6.144V,allowing
bothlargeandsmallsignalstobemeasuredwith
highresolution.Aninputmultiplexer(mux)allows
measurementoftwodifferentialorfoursingle-ended
inputs.Thehigh-accuracytemperaturesensorisused
forsystem-leveltemperaturemonitoring,orcold-
junctioncompensationforthermocouples.
TheADS1018operateseitherincontinuous-
conversionmode,orinasingle-shotmodethat
automaticallypowersdownafteraconversion.
Single-shotmodesignificantlyreducescurrent
consumptionduringidleperiods.Dataaretransferred
throughaserialperipheralinterface(SPI™).
DeviceInformation
(1)
PARTNUMBERPACKAGEBODYSIZE(NOM)
ADS1018
X2QFN(10)1.50mm×2.00mm
VSSOP(10)3.00mm×3.00mm
(1)Forallavailablepackages,seethepackageoptionaddendum
attheendofthedatasheet.
K-TypeThermocoupleMeasurement
UsingIntegratedTemperatureSensorforCold-JunctionCompensation
Produktspezifikationen
| Marke: | Texas Instruments |
| Kategorie: | Nicht kategorisiert |
| Modell: | ADS1018 |
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