Texas Instruments ADS62C17 Handleiding
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FEATURES
DESCRIPTION
ADS62C17
www.ti.com
.............................................................................................................................................................SLAS631A–APRIL2009–REVISEDJULY2009
DualChannel11Bit,200MSPSADCWithSNRBoost
•ProgrammableGainupto6dBforSNR/SFDR
Trade-off
•MaximumSampleRate:200MSPS
•DCOffsetCorrection
•11-bitResolutionwithNoMissingCodes
•GainTuningCapabilityinFineSteps(0.001
•90dBcSFDRatFin=10MHz
dB)AllowsChannel-to-channelGainMatching
•79.8dBFSSNRat125MHzIF,20MHzBW
•SupportsInputClockAmplitudeDownto400
usingTIproprietarySNRBoosttechnology
mVp-pDifferential
•TotalPower1.1Wat200MSPS
•InternalandExternalReferenceSupport
•90dBCross-talk
•64-QFNPackage(9mm×9mm)
•DoubleDataRate(DDR)LVDSandParallel
CMOSOutputOptions
ADS62C17isadualchannel11-bit,200MSPSA/Dconverterthatcombineshighdynamicperformanceandlow
powerconsumptioninacompact64QFNpackage.Thismakesitwell-suitedformulti-carrier,wideband-width
communicationsapplications.
ADS62C17usesTI-proprietarySNRBoosttechnologythatcanbeusedtoovercomeSNRlimitationdueto
quantizationnoiseforbandwidthslessthanNyquist(Fs/2).Itincludesseveralusefulandcommonlyuseddigital
functionssuchasADCoffsetcorrection,gain(0to6dBinstepsof0.5dB)andgaintuning(infinestepsof0.001
dB).
ThegainoptioncanbeusedtoimproveSFDRperformanceatlowerfull-scaleinputranges.Usingthegain
tuningcapability,eachchannel’sgaincanbesetindependentlytoimprovechannel-to-channelgainmatching.
ThedevicealsoincludesadcoffsetcorrectionloopthatcanbeusedtocanceltheADCoffset.
BothDDRLVDS(DoubleDataRate)andparallelCMOSdigitaloutputinterfacesareavailable.Itincludes
internalreferenceswhilethetraditionalreferencepinsandassociateddecouplingcapacitorshavebeen
eliminated.Nevertheless,thedevicecanalsobedrivenwithanexternalreference.
Thedeviceisspecifiedovertheindustrialtemperaturerange(–40°Cto85°C).
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Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2009,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
CONTROL
INTERFACE
INA_P
INA_M
CLKP
CLKM
VCM
SCLK
SE
N
SD
ATA
AVD
D
A
GND
DRVDD
DRGND
14bit
ADC
INB_P
INB_M
RESET
C
TRL1
CTR
L2
CT
RL3
CLKOUTP/M
LVDS
INTERFACE
ADS62C17
DA0P/M
DA2P/M
DA4P/M
DA6P/M
DA8P/M
DA10P/M
DB0P/M
DB2P/M
DB4P/M
DB6P/M
DB8P/M
DB10P/M
14bit
ADC
Digital
Processing
Block
ChannelA
SNRBoost
Digital
Processing
Block
ChannelB
11bit
11bit
SDOUT
DDR
Serializer
DDR
Serializer
OUTPUT
CLOCK
BUFFER
SNRBoost
Sample
&
Hold
CLOCKGEN
REFERENCE
Sample
&
Hold
ADS62C17
SLAS631A–APRIL2009–REVISEDJULY2009.............................................................................................................................................................
www.ti.com
Thesedeviceshavelimitedbuilt-inESDprotection.Theleadsshouldbeshortedtogetherorthedeviceplacedinconductivefoam
duringstorageorhandlingtopreventelectrostaticdamagetotheMOSgates.
Figure1.ADS62C17BlockDiagram
PACKAGE/ORDERINGINFORMATION
TRANSPORT
PACKAGE-PACKAGESPECIFIED
PRODUCTPACKAGEMARKINGORDERINGNUMBERMEDIA,
LEADDESIGNATORTEMPERATURERANGE
QUANTITY
ADS62C17IRGCR
ADS62C17QFN-64RGC–40°Cto85°CAZ62C17TapeandReel
ADS62C17IRGCT
2SubmitDocumentationFeedbackCopyright©2009,TexasInstrumentsIncorporated
ProductFolderLink(s):ADS62C17
THERMALCHARACTERISTICS
(1)
ABSOLUTEMAXIMUMRATINGS
(1)
ADS62C17
www.ti.com
.............................................................................................................................................................SLAS631A–APRIL2009–REVISEDJULY2009
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
PARAMETERTESTCONDITIONSTYPUNIT
R
θJA
(2)
Solderedthermalpad,noairflow22
Solderedthermalpad,200LFM15°C/W
R
θJT
(3)
Bottomofpackage(thermalpad)0.57
(1)WithaJEDECstandardhighKboardand5x5viaarray.SeeExposedPadintheApplicationInformation.
(2)R
θJA
isthethermalresistancefromthejunctiontoambient.
(3)R
θJT
isthethermalresistancefromthejunctiontothethermalpads.
VALUEUNIT
SupplyvoltagerangeAVDD-0.3to3.9
V
SupplyvoltagerangeDRVDD–0.3to2.2
VoltagebetweenAGNDandDRGND–0.3to0.3
VoltagebetweenAVDDtoDRVDD(whenAVDDleadsDRVDD)0to3.3V
VoltagebetweenDRVDDtoAVDD(whenDRVDDleadsAVDD)–1.5to1.8
Voltageappliedtoexternalpin,VCM(inexternalrefersncemode)–0.3to2.0
–0.3Vtominimum
Voltageappliedtoanaloginputpins–INP_A,INM_A,INP_B,INM_B
V
(3.6,AVDD+0.3V)
Voltageappliedtoinputpins–CLKP,CLKM
(2)
,RESET,SCLK,SDATA,SEN,CTRL1,
–0.3VtoADD+0.3V
CTRL2,CTRL3
T
A
Operatingfree-airtemperaturerange–40to85°C
T
J
Operatingjunctiontemperaturerange125°C
T
stg
Storagetemperaturerange–54to150°C
ESD,humanbodymodel2kV
(1)Stressesbeyondthoselistedunder“absolutemaximumratings”maycausepermanentdamagetothedevice.Thesearestressratings
onlyandfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder“recommendedoperating
conditions”isnotimplied.Exposuretoabsolutemaximumratedconditionsforextendedperiodsmayaffectdevicereliability.
(2)WhenAVDDisturnedoff,itisrecommendedtoswitchofftheinputclock(orensurethevoltageonCLKP,CLKMis<|0.3V|.This
preventstheESDprotectiondiodesattheclockinputpinsfromturningon.
Copyright©2009,TexasInstrumentsIncorporatedSubmitDocumentationFeedback3
ProductFolderLink(s):ADS62C17
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS62C17 |
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