Texas Instruments ADS1018-Q1 Handleiding
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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-Q1
0.1 F
AIN2
AIN3
3.3 V
3.3 V
3.3 V
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Reference
Design
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
ADS1018-Q1
SBAS741B–OCTOBER2015–REVISEDAPRIL2020
ADS1018-Q1Automotive,Low-Power,SPI™-Compatible,12-Bit,
Analog-to-DigitalConverterWithInternalReferenceandTemperatureSensor
1
1Features
1
•AEC-Q100qualifiedforautomotiveapplications:
–Temperaturegrade1:–40°Cto+125°C,T
A
•FunctionalSafety-Capable
–Documentationavailabletoaidfunctional
safetysystemdesign
•12-bitnoise-freeresolution
•Widesupplyrange:2Vto5.5V
•Lowcurrentconsumption:
–Continuousmode:only150μA
–Single-shotmode:automaticpower-down
•Programmabledatarate:128SPSto3300SPS
•Single-cyclesettling
•Internallow-driftvoltagereference
•Internaltemperaturesensor:
2°C(maximum)error
•Internaloscillator
•InternalPGA
•Foursingle-endedortwodifferentialinputs
2Applications
•Batterymanagementsystems
•Automotivesensors:
–Thermocouples
–Resistancetemperaturedetectors(RTDs)
–Electrochemicalgassensors
–Particulatemattersensors
3Description
TheADS1018-Q1isaprecision,lowpower,12-bit,
noise-free,analog-to-digitalconverter(ADC)that
providesallfeaturesnecessarytomeasurethemost
commonsensorsignals.TheADS1018-Q1integrates
aprogrammablegainamplifier(PGA),voltage
reference,oscillator,andhigh-accuracytemperature
sensor.Thesefeatures,alongwithawidepower-
supplyrangefrom2Vto5.5V,makethe
ADS1018-Q1ideallysuitedforpower-andspace-
constrained,sensor-measurementapplications.
TheADS1018-Q1performsconversionsatdatarates
upto3300samplespersecond(SPS).ThePGA
offersinputrangesfrom±256mVto±6.144V,
allowingbothlargeandsmallsignalstobemeasured
withhighresolution.Aninputmultiplexer(mux)allows
measurementoftwodifferentialorfoursingle-ended
inputs.Thehigh-accuracytemperaturesensorisused
forsystem-leveltemperaturemonitoring,orcold-
junctioncompensationforthermocouples.
TheADS1018-Q1operateseitherincontinuous-
conversionmode,orinasingle-shotmodethat
automaticallypowersdownafteraconversion.
Single-shotmodesignificantlyreducescurrent
consumptionduringidleperiods.Dataaretransferred
throughaserialperipheralinterface(SPI™).The
ADS1018-Q1isspecifiedfrom–40°Cto+125°C.
DeviceInformation
(1)
PARTNUMBERPACKAGEBODYSIZE(NOM)
ADS1018-Q1VSSOP(10)3.00mm×3.00mm
(1)Forallavailablepackages,seethepackageoptionaddendum
attheendofthedatasheet.
K-TypeThermocoupleMeasurement
UsingIntegratedTemperatureSensorforCold-JunctionCompensation
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS1018-Q1 |
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