Texas Instruments ADS1209 Handleiding

Bekijk gratis de handleiding van Texas Instruments ADS1209 (25 pagina’s), behorend tot de categorie Niet gecategoriseerd. Deze gids werd als nuttig beoordeeld door 11 mensen en kreeg gemiddeld 4.5 sterren uit 7 reviews. Heb je een vraag over Texas Instruments ADS1209 of wil je andere gebruikers van dit product iets vragen? Stel een vraag

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