Texas Instruments ADS1209 Handleiding
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2nd-Order
DSModulator
CHA+
AVDD
CHA-
Output
Interface
Circuit
RC
Oscillator
20MHz
OutEN
Clock
Select
Divider
REFINA
Reference
Voltage
2.5V
REFOUT
OUTA
OUTB
CLKIN
AGNDBGND
BVDD
CLKOUT
CLKSEL
2nd-Order
DSModulator
CHB+
CHB-
REFINB
ADS1209
www.ti.com
SBAS491–FEBRUARY2010
Two1-Bit,10MHz,2nd-Order
Delta-SigmaModulators
CheckforSamples:ADS1209
1
FEATURES
DESCRIPTION
2
•16-BitResolution
TheADS1209isatwo-channel,high-performance,
delta-sigma(ΔΣ)modulatorwithan86dBdynamic
•13-BitLinearity
range,operatingfromasingle+5Vsupply.The
•±2.3VSpecifiedInputVoltageRange
differentialinputsareidealfordirectconnectionto
•InternalReferenceVoltage:2%
signalsourcesinanindustrialenvironment.Withthe
•GainError:0.5%appropriatedigitalfilterandmodulatorrate,the
devicecanbeusedtoachieve16-bitanalog-to-digital
•TwoIndependentDelta-SigmaModulators
(A/D)conversionwithnomissingcodes.Effective
•TwoInputReferenceBuffers
accuracyof14bitscanbeobtainedwithadigitalfilter
•On-ChipOscillator
bandwidthof20kHzatamodulatorrateof10MHz.
TheADS1209isdesignedforuseinhigh-resolution
•SelectableInternalorExternalClock
measurementapplicationsincludingcurrent
•SpecifiedTemperatureRange:
measurements,industrialprocesscontrol,and
–40°Cto+105°C
resolvers.ItisavailableinaTSSOP-24packageand
•TSSOP-24Package
isspecifiedforoperationovertheambient
temperaturerangeof–40°Cto+105°C.
APPLICATIONS
•MotorControl
•CurrentMeasurement
•Resolver
•IndustrialProcessControl
•Instrumentation
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2010,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS1209 |
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