Texas Instruments ADS8517 Handleiding

Bekijk gratis de handleiding van Texas Instruments ADS8517 (40 pagina’s), behorend tot de categorie Niet gecategoriseerd. Deze gids werd als nuttig beoordeeld door 10 mensen en kreeg gemiddeld 4.9 sterren uit 6 reviews. Heb je een vraag over Texas Instruments ADS8517 of wil je andere gebruikers van dit product iets vragen? Stel een vraag

ADS8517

ADS8517

1

FEATURESAPPLICATIONS

DESCRIPTION

SuccessiveApproximationRegister(SAR)

Comparator

CDAC

Ref

Buffer

BUF

ADC

REF

REF

CAP

R1

IN

40kW20kW

2.5-V

InternalReference

6kW

Parallel

and

Serial

DataOut

and

Control

Clock

40kW

10kW

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