Texas Instruments ADC78H89 Handleiding
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CS
NC
GND
AIN1
AIN2
AIN3
AIN4
ADC78H89
AV
DD
SCLK
DOUT
DIN
GND
AIN7
AIN6
AIN5
DV
DD
ADC78H89
www.ti.com
SNAS201D–APRIL2003–REVISEDMARCH2013
ADC78H897-Channel,500KSPS,12-BitA/DConverter
CheckforSamples:ADC78H89
1
FEATURES
DESCRIPTION
TheADC78H89isalow-power,seven-channel
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•SevenInputChannels
CMOS12-bitanalog-to-digitalconverterwitha
•VariablePowerManagement
conversionthroughputof500KSPS.Theconverteris
•IndependentAnalogandDigitalSupplies
basedonasuccessive-approximationregister
architecturewithaninternaltrack-and-holdcircuit.It
•SPI™/QSPI™/MICROWIRE™/DSPCompatible
canbeconfiguredtoacceptuptoseveninputsignals
•Packagedin16-LeadTSSOP
onpinsAIN1throughAIN7.
Theoutputserialdataisstraightbinary,andis
APPLICATIONS
compatiblewithseveralstandards,suchasSPI™,
•AutomotiveNavigation
QSPI™,MICROWIRE™,andmanycommonDSP
•PortableSystems
serialinterfaces.
•MedicalInstruments
TheADC78H89maybeoperatedwithindependent
•MobileCommunications
analoganddigitalsupplies.Theanalogsupply(AV
DD
)
canrangefrom+2.7Vto+5.25V,andthedigital
•InstrumentationandControlSystems
supply(DV
DD
)canrangefrom+2.7VtoAV
DD
.Normal
powerconsumptionusinga+3Vor+5Vsupplyis
KEYSPECIFICATIONS
1.5mWand8.3mW,respectively.Thepower-down
•ConversionRate:500KSPS
featurereducesthepowerconsumptiontojust
0.3µWusinga+3Vsupply,or0.5µWusinga+5V
•DNL:±1LSB(max)
supply.TheADC78H89ispackagedina16-lead
•INL:±1LSB(max)
TSSOPpackage.Operationovertheindustrial
•PowerConsumption
temperaturerangeof−40°Cto+85°Cisensured.
–3VSupply:1.5mW(typ)
–5VSupply:8.3mW(typ)
ConnectionDiagram
Figure1.16-LeadTSSOP
SeePWPackage
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Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2TRI-STATEisatrademarkofTexasInstruments.
3Allothertrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2003–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADC78H89 |
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