Texas Instruments ADS5232 Handleiding

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FEATURESDESCRIPTION

APPLICATIONS

12-Bit

Pipelined

ADC

Error

Correction

Logic

Timing/Duty Cycle

Adjust (PLL)

Internal

Reference

3-State

Output

S/H

D11A

·

·

·

D0A

12-Bit

Pipelined

ADC

Error

Correction

Logic

3-State

Output

S/H

D11B

·

·

·

D0B

AV

DD

OE

A

V

DRV

SDATASENSCLKSEL

OVR

A

OVR

B

IN

A

CM

IN

A

INT/EXT

CLK

DV

A

DV

B

REFT

REFB

IN

B

V

IN

OE

B

STPD

IN

B

ADS5232

V

IN

Serial

Interface

DISABLE_PLL

ADS5232

SBAS294A–JUNE2004–REVISEDMARCH2006

Dual,12-Bit,65MSPS,+3.3V

Analog-to-DigitalConverter

•Single+3.3VSupply

TheADS5232isadual,high-speed,highdynamic

range,12-bitpipelinedanalog-to-digitalconverter

•HighSNR:70.7dBFSatf

IN

=5MHz

(ADC).Thisconverterincludesahigh-bandwidth

•TotalPowerDissipation:

sample-and-holdamplifierthatgivesexcellent

InternalReference:371mW

spuriousperformanceuptoandbeyondtheNyquist

ExternalReference:335mW

rate.Thedifferentialnatureofthesample-and-hold

•InternalorExternalReference

amplifierandADCcircuitryminimizeseven-order

harmonicsandgivesexcellentcommon-modenoise

•LowDNL:±0.3LSB

immunity.

•FlexibleInputRange:1.5V

PP

to2V

PP

TheADS5232providesforsettingthefull-scalerange

•TQFP-64Package

oftheconverterwithoutanyexternalreference

circuitry.Theinternalreferencecanbedisabled,

allowinglow-drive,externalreferencestobeusedfor

•CommunicationsIFProcessing

improvedtrackinginmultichannelsystems.

•CommunicationsBaseStations

TheADS5232providesanover-rangeindicatorflag

•TestEquipment

toindicateaninputsignalthatexceedsthefull-scale

•MedicalImaging

inputrangeoftheconverter.Thisflagcanbeusedto

•VideoDigitizing

reducethegainoffront-endgaincontrolcircuitry.

Thereisalsoanoutputenablepintoallowfor

•CCDDigitizing

multiplexingandtestingonaPCboard.

TheADS5232employsdigitalerrorcorrection

techniquestoprovideexcellentdifferentiallinearityfor

demandingimagingapplications.TheADS5232is

availableinaTQFP-64package.

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas

Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2004–2006,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties