Texas Instruments ADS8028 Handleiding
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Buffer
Internal
Reference
Internal
Temperature
Sensor
REF
DGND
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
Control
Logic
and
Sequencer
SCLK
DOUT
DIN
CS
PDRST/
TM_BUSY
ADC
SH
DVDDAVDD
ADS8028
www.ti.com
SBAS549B–MAY2011–REVISEDMARCH2012
12-Bit,1-MSPS,8-Channel,SARADC
withInternalReferenceandInternalTemperatureSensor
CheckforSamples:ADS8028
1
FEATURES
DESCRIPTION
TheADS8028isa12-bitanalog-to-digitalconverter
23
•OutstandingPerformance:
(ADC),capableofoperatingatsamplingspeedsupto
–Throughput:Upto1MSPS
1MSPS.Thedeviceisbasedonasuccessive
–NoMissingCodes:12Bits
approximationregister(SAR)coreandprovidesan
inherentsample-and-hold(SH)front-end.
–INL:±0.5LSB
–SNR:72dB
Inadditiontohavingeightanaloginputchannels,the
ADS8028offersaninternaltemperaturesensorwith
•HighlyIntegrated:
0.25°Cresolutionandaninternalvoltagereference.A
–EightAnalogInputs
nine-channelinternalmultiplexerenablesmultiple
–High-ResolutionInternalTemperature
channelstobeselected(includingtheinternal
Sensor
temperaturesensor)thatareindefinitelyscannedina
sequentialmanner.AsimpleSPI-compatibleserial
–Nine-ChannelMultiplexerwithChannel
interfaceprovideseasycommunicationandcontrol
Sequencer
betweenthedeviceandhostcontroller.Thedigital
–Low-DriftInternalVoltageReference
supplycanoperatefrom1.65Vto5.25V,enabling
•WideSupplyRange:
directinterfacewithawiderangeofprocessorsand
controllers.
–AnalogSupply(AVDD):2.7Vto5.25V
Atfullspeedof1MSPS,theADS8028dissipates
–DigitalSupply(DVDD):1.65Vto5.25V
only17mW.Thedeviceoffersflexiblepower-down
•LowPower:
modestosavepowerwhenconversionsarenot
–17mWat1MSPS
beingperformed.TheADS8028performanceis
–FlexiblePower-DownModes
specifiedovertheextendedindustrialtemperature
rangeof–40°Cto+125°C.
•SPI™-CompatibleSerialInterface:20MHz
TheADS8028isidealfordemandingmeasurement
•SmallFootprint:4-mm×4-mm,ThinQFN-20
applications,suchassensoroutputmonitoring,
power-supplymonitoring,andprintedcircuitboard
APPLICATIONS
(PCB)hot-spotanalysis,andisavailableinasmall
•ProgrammableLogicControls(PLCs)
form-factorQFN-20package.
•IndustrialProcessControls(IPCs)
•Telecommunications
•Power-SupplyMonitoring
•PCBHot-SpotAnalysis
•Battery-PoweredApplications
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2SPIisatrademarkofMotorola.
3Allothertrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2011–2012,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS8028 |
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