Texas Instruments ADS8517 Handleiding
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ADS8517
ADS8517
1
FEATURESAPPLICATIONS
DESCRIPTION
SuccessiveApproximationRegister(SAR)
Comparator
CDAC
Ref
Buffer
BUF
ADC
REF
REF
CAP
R1
IN
40kW20kW
2.5-V
InternalReference
6kW
Parallel
and
Serial
DataOut
and
Control
Clock
40kW
10kW
R2
IN
REFD
Parallel
Data
PWRD
BYTE
BUSY
CS
R/C
SB/BTC
TAG
SDATA
DATACLK
EXT/INT
ADS8517
www.ti.com
.................................................................................................................................................SLAS527A–SEPTEMBER2008–REVISEDJUNE2009
16-Bit,200-kSPS,Low-Power,SamplingANALOG-TO-DIGITALCONVERTER
withInternalReferenceandParallel/SerialInterface
•PortableTestEquipment
23
•200-kHzMinimumSamplingRate
•USBDataAcquisitionModule
•4-V,5-V,and±10-VInputRangeswith
•MedicalEquipment
High-ImpedanceInput
•IndustrialProcessControl
•±1.5LSBMaxINL
•DigitalSignalProcessing
•+1.5/–1LSBMax/MinDNL,16BitsNMC
•Instrumentation
•±2-mVMaxBPZ,±0.6ppm/°CBPZDrift
•±2-mVMaxUPZ,±0.15ppm/°CUPZDrift
•88.8-dBSINADwith10-kHzInput
TheADS8517isacompletelow-power,single5-V
•SPI™-CompatibleSerialOutputWith
supply,16-bitsamplinganalog-to-digital(A/D)
Daisy-Chain(TAG),SPIMaster/SlaveFeature
converter.Itcontainsacomplete,16-bit,
•FullParallelInterface
capacitor-based,successiveapproximationregister
(SAR)A/Dconverterwithsample-and-hold,clock,
•BinaryTwosComplementorStraightBinary
reference,anddatainterface.Theconvertercanbe
OutputCodeFormats
configuredforavarietyofinputrangesincluding
•Single4.5-Vto5.5-VAnalogSupply,1.65-Vto
±10V,4V,and5V.Formostinputranges,theinput
5.5-VInterfaceSupply
voltagecanswingto25Vor–25Vwithoutdamage
tothedevice.
•UsesInternal2.5-VorExternalReference
•NoExternalPrecisionResistorsRequired
AnSPI-compatibleserialinterfaceallowsdatatobe
synchronizedtoaninternalorexternalclock.Afull
•LowPowerDissipation(ADC+REF+BUF):
parallelinterfaceusingtheselectableBYTEpinis
–47mWTyp,60mWMaxat200kSPS
alsoprovidedtoallowthemaximumsystemdesign
•50-µWMaxPower-DownMode
flexibility.TheADS8517isspecifiedata200-kHz
samplingrateovertheindustrial–40°Cto+85°C
•Pin-Compatiblewith16-BitADS7807and
temperaturerange.
ADS8507,and12-BitADS7806andADS8506
•SO-28andTSSOP-28Packages
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2SPIisatrademarkofMotorola,Inc.
3Allothertrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2008–2009,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS8517 |
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