Texas Instruments ADC14155 Bedienungsanleitung

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ADC14155

www.ti.com

SNAS350I–APRIL2006–REVISEDAPRIL2013

ADC1415514-Bit,155MSPS,1.1GHzBandwidthA/DConverter

CheckforSamples:ADC14155

1

FEATURES

DESCRIPTION

TheADC14155isahigh-performanceCMOSanalog-

2

•1.1GHzFullPowerBandwidth

to-digitalconvertercapableofconvertinganaloginput

•InternalSample-and-HoldCircuit

signalsinto14-bitdigitalwordsatratesupto155

•LowPowerConsumption

MegaSamplesPerSecond(MSPS).Thisconverter

usesadifferential,pipelinedarchitecturewithdigital

•InternalPrecision1.0VReference

errorcorrectionandanon-chipsample-and-hold

•Single-EndedorDifferentialClockModes

circuittominimizepowerconsumptionandthe

•DataReadyOutputClock

externalcomponentcount,whileprovidingexcellent

dynamicperformance.Auniquesample-and-hold

•ClockDutyCycleStabilizer

stageyieldsafull-powerbandwidthof1.1GHz.The

•Dual+3.3Vand+1.8VSupplyOperation

ADC14155operatesfromdual+3.3Vand+1.8V

(+/-10%)

powersuppliesandconsumes967mWofpowerat

•Power-DownMode

155MSPS.

•OffsetBinaryor2'sComplementOutputData

Theseparate+1.8Vsupplyforthedigitaloutput

Format

interfaceallowslowerpoweroperationwithreduced

•48-pinWQFNPackage,(7x7x0.8mm,0.5mm

noise.Apower-downfeaturereducesthepower

consumptionto5mWwiththeclockinputdisabled,

Pin-Pitch)

whilestillallowingfastwake-uptimetofulloperation.

APPLICATIONS

Thedifferentialinputsprovideafullscaledifferential

inputswingequalto2timesthereferencevoltage.A

•HighIFSamplingReceivers

stable1.0Vinternalvoltagereferenceisprovided,or

•WirelessBaseStationReceivers

theADC14155canbeoperatedwithanexternal

•PowerAmplifierLinearization

reference.

•Multi-carrier,Multi-modeReceivers

TheADC14155canbeconfiguredforeithersingle-

•TestandMeasurementEquipment

endedordifferentialoperation.Clockmode

(differentialversussingle-ended)andoutputdata

•CommunicationsInstrumentation

format(offsetbinaryversus2'scomplement)arepin-

•RadarSystems

selectable.Adutycyclestabilizermaintains

performanceoverawiderangeofclockdutycycles.

KEYSPECIFICATIONS

TheADC14155isavailableina48-leadWQFN

•Resolution:14Bits

packageandoperatesovertheindustrialtemperature

•ConversionRate:155MSPS

rangeof−40°Cto+85°C.

•SNR(f

IN

=70MHz):71.3dBFS(typ)

•SFDR(f

IN

=70MHz):87.0dBFS(typ)

•ENOB(f

IN

=70MHz):11.5bits(typ)

•FullPowerBandwidth:1.1GHz(typ)

•PowerConsumption:967mW(typ)

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof

TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

2Alltrademarksarethepropertyoftheirrespectiveowners.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright©2006–2013,TexasInstrumentsIncorporated

ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

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