Texas Instruments ADS8326 Handleiding

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SAR

Serial

Interface

Comparator

ADS8326

S/HAmp

DCLOCK

D

OUT

CS/SHDN

+IN

REF

-IN

CDAC

ADS8326

www.ti.com

..................................................................................................................................................SBAS343C–MAY2007–REVISEDSEPTEMBER2009

16-Bit,High-Speed,2.7Vto5.5VmicroPowerSampling

ANALOG-TO-DIGITALCONVERTER

CheckforSamples:ADS8326

1

FEATURES

APPLICATIONS

•Battery-OperatedSystems

23

•16BitsNoMissingCodes(Full-SupplyRange,

HighorLowGrade)

•RemoteDataAcquisition

•IsolatedDataAcquisition

•VeryLowNoise:3LSB

PP

•SimultaneousSampling,Multichannel

•ExcellentLinearity:

Systems

±1LSBtyp,±1.5LSBmaxINL

•IndustrialControls

±0.6LSBtyp,±1LSBmaxDNL

±1mVmaxOffset

•Robotics

±12LSBtypGainError

•VibrationAnalysis

•microPower:

DESCRIPTION

10mWat5V,250kHz

4mWat2.7V,200kHz

TheADS8326isa16-bit,sampling,analog-to-digital

2mWat2.7V,100kHz

(A/D)converterspecifiedforasupplyvoltagerange

0.2mWat2.7V,10kHz

from2.7Vto5.5V.Itrequiresverylittlepower,even

whenoperatingatthefulldatarate.Atlowerdata

•MSOP-8andSON-8Packages

rates,thehighspeedofthedeviceenablesitto

(SON-8packagesameas3x3QFN)

spendmostofitstimeinthepower-downmode.For

•16-BitUpgradetothe12-BitADS7816and

example,theaveragepowerdissipationislessthan

ADS7822

0.2mWata10kHzdatarate.

•Pin-CompatiblewiththeADS7816,ADS7822,

TheADS8326offersexcellentlinearityandverylow

ADS7826,ADS7827,ADS7829,ADS8320,and

noiseanddistortion.Italsofeaturesasynchronous

ADS8325

serial(SPI/SSI-compatible)interfaceandadifferential

•Serial(SPI™/SSI)Interface

input.Thereferencevoltagecanbesettoanylevel

withintherangeof0.1VtoV

DD

.

LowpowerandsmallsizemaketheADS8326ideal

forportableandbattery-operatedsystems.Itisalsoa

perfectfitforremotedata-acquisitionmodules,

simultaneousmultichannelsystems,andisolated

dataacquisition.TheADS8326isavailableineither

anMSOP-8andanSON-8package.

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas

Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2SPIisatrademarkofMotorola,Inc.

3Allothertrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2007–2009,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties