Texas Instruments ADS7882 Handleiding
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FEATURES
DESCRIPTION
APPLICATIONS
_
+
SAR
Output
Latches
and
3-State
Drivers
BYTE
12/8-Bit Parallel
Data Output Bus
Conversion
and
Control Logic
CONVST
BUSY
CS
RD
A_PWDPWD/RST
CDAC
Comparator
CLOCK
2.5 V
Internal
Reference
+IN
−IN
REFIN
REFOUT
ADS7882
www.ti.com
...........................................................................................................................................................................................SLAS630–DECEMBER2008
12-BIT,3-MSPS
LOWPOWERSARANALOG-TO-DIGITALCONVERTER
•3-MHzSampleRate,12-BitResolution
•ZeroLatency
TheADS7882isa12-bit3-MSPSA-to-Dconverter
with2.5-Vinternalreference.Thedeviceincludesa
•Unipolar,PseudoDifferentialInput,Range:
capacitorbasedSARA/Dconverterwithinherent
–0Vto2.5V
sampleandhold.Thedeviceoffersa12-bitparallel
•High-SpeedParallelInterface
interfacewithanadditionalbytemodethatprovides
easyinterfacewith8-bitprocessors.Thedevicehas
•69.5dBSNRat100kHzI/P
apseudo-differentialinputstage.
•PowerDissipation85mWat3MSPS
The–INswingof±200mVisusefultocompensate
•NapMode(10mWPowerDissipation)
forgroundvoltagemismatchbetweentheADCand
•PowerDown(10µW)
sensorandalsotocancelcommon-modenoise.With
•InternalReference
napmodeenabled,thedeviceoperatesatlower
powerwhenusedatlowerconversionrates.The
•InternalReferenceBuffer
deviceisavailablein48-pinTQFPpackage.
•48-PinTQFPPackage
•OpticalNetworking(DWDM,MEMSBased
Switching)
•SpectrumAnalyzers
•HighSpeedDataAcquisitionSystems
•HighSpeedClose-LoopSystems
•Telecommunication
•Ultra-SoundDetection
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Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2008,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS7882 |
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