Texas Instruments ADC14C105 Bedienungsanleitung

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ADC14C105

www.ti.com

SNAS409C–MAY2007–REVISEDMARCH2013

ADC14C10514-Bit,95/105MSPSA/DConverter

CheckforSamples:ADC14C105

1

FEATURES

DESCRIPTION

TheADC14C105isahigh-performanceCMOS

2

•1GHzFullPowerBandwidth

analog-to-digitalconvertercapableofconverting

•InternalReferenceandSample-and-Hold

analoginputsignalsinto14-bitdigitalwordsatrates

Circuit

upto105MegaSamplesPerSecond(MSPS).This

•LowPowerConsumption

converterusesadifferential,pipelinedarchitecture

withdigitalerrorcorrectionandanon-chipsample-

•DataReadyOutputClock

and-holdcircuittominimizepowerconsumptionand

•ClockDutyCycleStabilizer

theexternalcomponentcount,whileproviding

•Single+3.0Vor+3.3VSupplyOperation

excellentdynamicperformance.Auniquesample-

and-holdstageyieldsafull-powerbandwidthof1

•Power-DownMode

GHz.TheADC14C105maybeoperatedfroma

•32-pinWQFNPackage,(5x5x0.8mm,0.5mm

single+3.0Vor+3.3Vpowersupplyandconsumes

pin-pitch)

lowpower.

Aseparate+2.5Vsupplymaybeusedforthedigital

APPLICATIONS

outputinterfacewhichallowslowerpoweroperation

•HighIFSamplingReceivers

withreducednoise.Apower-downfeaturereduces

thepowerconsumptiontoverylowlevelswhilestill

•WirelessBaseStationReceivers

allowingfastwake-uptimetofulloperation.The

•TestandMeasurementEquipment

differentialinputsaccepta2Vfullscaledifferential

•CommunicationsInstrumentation

inputswing.Astable1.2Vinternalvoltagereference

•PortableInstrumentation

isprovided,ortheADC14C105canbeoperatedwith

anexternal1.2Vreference.Outputdataformat(offset

binaryversus2'scomplement)anddutycycle

KEYSPECIFICATIONS

stabilizerarepin-selectable.Thedutycyclestabilizer

•Resolution:14Bits

maintainsperformanceoverawiderangeofclock

•ConversionRate:105MSPS

dutycycles.

•SNR(f

IN

=240MHz):71dBFS(typ)

TheADC14C105isavailableina32-leadWQFN

•SFDR(f

IN

=240MHz):82dBFS(typ)

packageandoperatesovertheindustrialtemperature

rangeof−40°Cto+85°C.

•FullPowerBandwidth:1GHz(typ)

•PowerConsumption

–350mW(typ,V

A

=3.0V)

–400mW(typ,V

A

=3.3V)

1

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ProductsconformtospecificationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

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