Texas Instruments ADS7822-Q1 Handleiding
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FEATURESAPPLICATIONS
DESCRIPTION
SAR
Control
Serial
Interface
D
OUT
Comparator
S/HAmp
CS/SHDN
DCLOCK
+In
V
REF
-In
CDAC
ADS7822-Q1
www.ti.com
..................................................................................................................................................................................................SGLS299–MARCH2009
12-BIT200-kHzMICROPOWERSAMPLINGANALOG-TO-DIGITALCONVERTER
•Battery-OperatedSystems
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•QualifiedforAutomotiveApplications
•RemoteDataAcquisition
•200-kHzSamplingRate
•IsolatedDataAcquisition
•Micropower:
•SimultaneousSampling,MultichannelSystems
1.6mWat200kHz
0.54mWat75kHz
0.06mWat7.5kHz
•Power-DownCurrent:3µAMax
•MSOP-8Package
•Pseudo-DifferentialInput
•SerialInterface
TheADS7822isa12-bitsamplinganalog-to-digital(A/D)converterwithensuredspecificationsovera2.7-Vto
5.25-Vsupplyrange.Itrequiresverylittlepowerevenwhenoperatingatthefull200-kHzrate.Atlower
conversionrates,thehighspeedofthedeviceenablesittospendmostofitstimeinthepower-downmode—the
powerdissipationislessthan60µWat7.5kHz.
TheADS7822alsofeaturesoperationfrom2.0Vto5V,asynchronousserialinterface,andapseudo-differential
input.Thereferencevoltagecanbesettoanylevelwithintherangeof50mVtoV
CC
.
UltralowpowerandsmallsizemaketheADS7822idealforbattery-operatedsystems.Itisalsoaperfectfitfor
remotedata-acquisitionmodules,simultaneousmultichannelsystems,andisolateddataacquisition.The
ADS7822isavailableinanMSOP-8package.
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Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2009,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS7822-Q1 |
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