Texas Instruments ADS1208 Handleiding
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FEATURESDESCRIPTION
APPLICATIONS
Internal2.5V
Reference
RCOscillator
20MHz
Interface
Circuit
MDATA
IADJ
IOUT
AVDD
ADS1208
REFOUT
REFIN
V
IN+
V
IN
−
MDATA
BVDD
MCLK
M0
M1
MCLK
Buffer
Buffer
Buffer
Buffer
2nd−Order
∆Σ
Modulator
BGNDAGND
AVDD
ADS1208
SBAS348A–MARCH2005–REVISEDMARCH2005
2nd-OrderDelta-SigmaModulator
withExcitationforHallElements
•±100mVSpecifiedInputRange
TheADS1208isa2nd-order∆Σ(delta-sigma)modu-
latoroperatingata10MHzclockrate.Thespecified
•±125mVFull-ScaleRange
inputrangeis±100mV,optimizedforcurrent
•95dBtyp.CMR,82dBtyp.SNR
measurementwithaHallsensor,especiallyinmotor
•AdjustableCurrentOutputforSensorBiasing
controlapplications.TheADS1208containsa
•DigitalOutputCompatibletoADS1202/03programmablecurrentsourceforsensorbiasingand
hasintegratedinputbuffersforfastsettlingofthe
•DifferentialDigitalOutputs
samplecapacitors;italsorequiresonlyaminimumof
•Separate2.7Vto5.5VDigitalSupplyPin
externalcomponents.Thedifferentialanaloginput
offerslownoiseandexcellentcommon-moderejec-
tion.
•MotorControl
•CurrentMeasurement
•HallSensors
•BridgeSensors
•Instrumentation
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2005,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS1208 |
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