Texas Instruments DAC3283 Handleiding

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DAC3283

16-bit DAC

16-bit DAC

xN

xN

Coarse Mixer

(-F

S

/4, F

S

/4, F

S

/2)

8-Lane LVDS

RF

LVDS Interface

and FIFO

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DAC3283

SLAS693C–MARCH2010–REVISEDMARCH2015

DAC3283Dual-Channel,16-Bit,800MSPS,Digital-to-AnalogConverter(DAC)

1Features3Description

TheDAC3283isadual-channel16-bit800MSPS

1

•Dual,16-Bit,800MSPSDACs

digital-to-analogconverter(DAC)withan8-bitLVDS

•8-BitInputLVDSDataBus

inputdatabuswithon-chiptermination,optional2x-

–Byte-WideInterleavedDataLoad

4xinterpolationfilters,digitalIQcompensationand

internalvoltagereference.TheDAC3283offers

–8SampleInputFIFO

superiorlinearity,noiseandcrosstalkperformance.

–OptionalDataPatternChecker

Inputdatacanbeinterpolatedby2xor4xthrough

•Multi-DACSynchronization

on-chipinterpolatingFIRfilterswithover85dBof

•Selectable2x-4xInterpolationFilters

stop-bandattenuation.MultipleDAC3283devicescan

–Stop-BandAttenuation>85dB

befullysynchronized.

•Fs/2and±Fs/4CoarseMixer

TheDAC3283allowseitheracomplexorrealoutput.

•DigitalQuadratureModulatorCorrection

Anoptionalcoarsemixerincomplexmodeprovides

frequencyupconversionandthedualDACoutput

–Gain,PhaseandOffsetCorrection

producesacomplexHilbertTransformpair.The

•TemperatureSensor

digitalIQcompensationfeatureallowsoptimizationof

•3-or4-WireSerialControlInterface

phase,gainandoffsettomaximizesidebandrejection

andminimizeLOfeed-throughofanexternal

•On-Chip1.2-VReference

quadraturemodulatorperformingthefinalsingle

•DifferentialScalableOutput:2to20mA

sidebandRFup-conversion.

•Single-CarrierTM1WCDMAACLR:82dBcat

TheDAC3283ischaracterizedforoperationoverthe

f

OUT

=122.88MHz

entireindustrialtemperaturerangeof–40°Cto85°C

•LowPower:1.3Wat800MSPS

andisavailableina48-pin7×7mmQFNpackage.

•SpaceSavingPackage:48-pin7×7mmQFN

DeviceInformation

(1)

2Applications

PARTNUMBERPACKAGEBODYSIZE(NOM)

DAC3283VQFN(48)7.00mm×7.00mm

•CellularBaseStations

•DiversityTransmit

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

•WidebandCommunications

•DigitalSynthesis

4SimplifiedSchematic

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Product specificaties