Texas Instruments ADS5242 Handleiding

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FEATURES

APPLICATIONS

DESCRIPTION

12−Bit

ADC

PLL

S/HSerializer

1xADCLK

6xADCLK

IN1

P

ADCLK

IN1

N

OUT1

P

OUT1

N

12−Bit

ADC

S/H

Serializer

IN2

P

IN2

N

OUT2

P

OUT2

N

12−Bit

ADC

S/H

Serializer

IN3

P

IN3

N

OUT3

P

OUT3

N

LCLK

P

LCLK

N

ADCLK

P

ADCLK

N

12xADCLK

12−Bit

ADC

S/HSerializer

IN4

P

IN4

N

OUT4

P

OUT4

N

Reference

REF

T

INT/EXT

V

CM

REF

B

Registers

SCLK

SDATA

CS

Control

RESET

PD

ADS5242

SBAS330C–OCTOBER2004–REVISEDOCTOBER2005

4-Channel,12-Bit,65MSPSAnalog-to-DigitalConverter

withSerialLVDSInterface

Anintegratedphaselockloop(PLL)multipliesthe

incomingADCsamplingclockbyafactorof12.This

•MaximumSampleRate:65MSPS

high-frequencyLVDSclockisusedinthedata

•12-BitResolution

serializationandtransmissionprocess.Theword

outputofeachinternalADCisserializedand

•NoMissingCodes

transmittedeitherMSBorLSBfirst.Inadditiontothe

•TotalPowerDissipation

fourdataoutputs,abitclockandawordclockare

InternalReference:660mW

alsotransmitted.Thebitclockisat6xthespeedof

ExternalReference:594mW

thesamplingclock,whereasthewordclockisatthe

•CMOSTechnology

samespeedofthesamplingclock.

•SimultaneousSample-and-Hold

TheADS5242providesinternalreferences,orcan

•70.8dBFSSNRat10MHzIF

optionallybedrivenwithexternalreferences.Best

performancecanbeachievedthroughtheinternal

•3.3VDigital/AnalogSupply

referencemode.

•SerializedLVDSOutputs

ThedeviceisavailableinanHTQFP-64PowerPAD

•IntegratedFrameandBitPatterns

packageandisspecifiedovera–40°Cto+85°C

•OptiontoDoubleLVDSClockOutputCurrents

operatingrange.

•FourCurrentModesforLVDS

•Pin-andFormat-CompatibleFamily

•HTQFP-64PowerPAD™Package

•PortableUltrasoundSystems

•TapeDrives

•TestEquipment

•OpticalNetworking

•Communications

TheADS5242isahigh-performance,65MSPS,

4-channelanalog-to-digitalconverter(ADC).Internal

referencesareprovided,simplifyingsystemdesign

requirements.Lowpowerconsumptionallowsforthe

highestofsystemintegrationdensities.SerialLVDS

(low-voltagedifferentialsignaling)outputsreducethe

numberofinterfacelinesandpackagesize.

RELATEDPRODUCTS

RESOLUTIONSAMPLERATE

MODEL(BITS)(MSPS)CHANNELS

ADS524012404

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas

Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

PowerPADisatrademarkofTexasInstruments.

Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2004–2005,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties