Texas Instruments ADS62PF49 Handleiding

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INP_A

Sample&

Hold

ADC

Resolution/

Mode control

+

DDR

Serializer

INM_A

DA0P/M

DA2P/M

DA4P/M

DA6P/M

DA8P/M

DA10P/M

DA12P/M

Clockgen

CLKOUTP/M

CLKP

CLKM

INP_B

Sample&

Hold

ADC

Resolution/

Mode control

+

DDR

Serializer

INM_B

DB0P/M

DB2P/M

DB4P/M

DB6P/M

DB8P/M

DB10P/M

DB12P/M

VCM

Reference

Control

Interface

RESET

SCLK

SEN

SDATA

CTRL1

CTRL2

CTRL3

SDOUT

ADS62PF49

www.ti.com

SLAS779JUNE2011–

Dual-Channel,250-MSPSFeedbackReceiverIC

CheckforSamples:ADS62PF49

1

FEATURES

DESCRIPTION

TheADS62PF49isadual-channelfeedbackreciever

•MaximumOutputSampleRate:250MSPS

ICwithsamplingratesupto250MSPS.Itallowsa

•Pin-CompatiblewithADS62P49

high-resolution,14-bitoutputforalimitedtime

•VariableOutputResolution

followedbyalow-resolutionmodewithaminimumof

–HighResolutionBurstModewith14-Bit

8xlongertime.Itispin-compatibletotheADS62P49

Output:73dBSNRatLowIF,

andADS62C17dualADCs.

70.5dBSNRat170MHz

TheADS62PF49hasgainoptionsthatcanbeused

–LowResolutionwith9-Bit250MSPSor

toimproveSFDRperformanceatlowerfull-scale

11-Bit125MSPS

inputranges.Itincludesadcosetcorrectionloop

•DoubleDataRate(DDR)LVDSOutput

thatcanbeusedtocanceltheanalog-to-digital

conversion(ADC)oset.

•ProgrammableGainupto6dBforSNR/SFDR

Trade-o

Itincludesinternalreferenceswhilethetraditional

•90-dBCross-Talk

referencepinsandassociateddecouplingcapacitors

•PowerConsumptionof1.25W

havebeeneliminated.Thedeviceisspeciedover

theindustrialtemperaturerange(40Cto85C).–°°

•×64-PinQFNPackage(9mm9mm)

Table1.PerformanceSummary

APPLICATIONS

PERFORMANCEINHIGH-

AT170-MHzINPUT

•FeedpathPathforMulti-Carrier,Multi-Mode

RESOLUTIONMODE

CellularInfrastructureBaseStations

0-dBgain75

SFDR,dBc

6-dBgain82

0-dBgain69.8

SINAD,dBFS

6-dBgain66.5

ADS62PF49BlockDiagram

1

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas

Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.

Copyright2011,TexasInstrumentsIncorporated©

ProductsconformtospecicationsperthetermsoftheTexas

Instrumentsstandardwarranty.Productionprocessingdoesnot

necessarilyincludetestingofallparameters.

Product specificaties