Texas Instruments ADS5444 Handleiding
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FEATURESAPPLICATIONS
RELATEDPRODUCTS
DESCRIPTION
Reference
Timing
CLK
OVRD[12:0]
CLK
5
DRY
VREF
AIN
AIN
TH1
55
Σ
DAC2
ADC2
ADC3
Σ
DAC1
ADC1
AV
DD
DV
DD
GND
Digital Error Correction
+
−
+
−
B0061-01
DRYOVR
A1TH2A2A3TH3
ADS5444
SLWS162A–AUGUST2005–REVISEDFEBRUARY2006
13-BIT250MSPSANALOG-TO-DIGITALCONVERTER
•TestandMeasurement
•13-BitResolution
•Software-DefinedRadio
•250MSPSSampleRate
•Multi-channelBasestationReceivers
•SNR=69dBcat100-MHzIFand250MSPS
•BasestationTxDigitalPredistortion
•SFDR=76dBcat100-MHzIFand250MSPS
•CommunicationsInstrumentation
•SNR=67.7dBcat230-MHzIFand250MSPS
•SFDR=77dBcat230-MHzIFand250MSPS
•2.2V
PP
DifferentialInputVoltage
•ADS5424-14-bit,105MSPSADC
•FullyBufferedAnalogInputs
•ADS5423-14-bit,80MSPSADC
•5VAnalogSupplyVoltage
•ADS5440-13-bit,210MSPSADC
•LVDSCompatibleOutputs
•TotalPowerDissipation:2W
•OffsetBinaryOutputFormat
•TQFP-80PowerPAD™Package
•PinCompatiblewiththeADS5440
•IndustrialTemperatureRange=–40°Cto85°C
TheADS5444isa13-bit250MSPSanalog-to-digitalconverter(ADC)thatoperatesfroma5Vsupply,while
providingLVDS-compatibledigitaloutputsfroma3.3Vsupply.TheADS5444inputbufferisolatestheinternal
switchingoftheonboardtrackandhold(T&H)fromdisturbingthesignalsource.Aninternalreferencegenerator
isalsoprovidedtofurthersimplifythesystemdesign.TheADS5444hasoutstandinglownoiseandlinearityover
inputfrequency.
TheADS5444isavailableinan80-pinTQFPPowerPAD™package.TheADS5444isbuiltonastateoftheart
TexasInstrumentscomplementarybipolarprocess(BiCom3X)andisspecifiedoverthefullindustrial
temperaturerange(–40°Cto85°C).
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
PowerPADisatrademarkofTexasInstruments.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2005–2006,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
www.ti.com
ABSOLUTEMAXIMUMRATINGS
THERMALCHARACTERISTICS
(1)
ADS5444
SLWS162A–AUGUST2005–REVISEDFEBRUARY2006
ThisintegratedcircuitcanbedamagedbyESD.TexasInstrumentsrecommendsthatallintegratedcircuitsbehandledwith
appropriateprecautions.Failuretoobserveproperhandlingandinstallationprocedurescancausedamage.
ESDdamagecanrangefromsubtleperformancedegradationtocompletedevicefailure.Precisionintegratedcircuitsmaybemore
susceptibletodamagebecauseverysmallparametricchangescouldcausethedevicenottomeetitspublishedspecifications.
PACKAGING/ORDERINGINFORMATION
(1)
ProductPackage-PackageSpecifiedPackageOrderingTransport
LeadDesignator
(1)
TemperatureMarkingNumberMedia,
RangeQuantity
ADS5444IPFPTray,96
HTQFP-80
(2)
ADS5444PFP–40°Cto85°CADS5444IPFP
PowerPAD
ADS5444IPFPRTapeandReel,1000
(1)Forthemostcurrentproductandorderinginformation,seethePackageOptionAddendumlocatedattheendofthisdocument,orsee
theTIwebsiteatwww.ti.com.
(2)Thermalpadsize:7,5mmx7,5mm(typ)
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
(1)
VALUE/UNIT
AV
DD
toGND6V
Supplyvoltage
DRV
DD
toGND5V
AnaloginputtoGND–0.3VtoAV
DD
+0.3V
ClockinputtoGND–0.3VtoAV
DD
+0.3V
CLKtoCLK±2.5V
DigitaldataoutputtoGND–0.3VtoDRV
DD
+0.3V
Operatingtemperaturerange–40°Cto85°C
Maximumjunctiontemperature150°C
Storagetemperaturerange–65°Cto150°C
ESDHumanBodyModel(HBM)2.5kV
(1)Stressesabovetheseratingsmaycausepermanentdamage.Exposuretoabsolutemaximumconditionsforextendedperiodsmay
degradedevicereliability.Thesearestressratingsonlyandfunctionaloperationofthedeviceattheseoranyotherconditionsbeyond
thosespecifiedisnotimplied.
PARAMETERTESTCONDITIONSTYPUNIT
Solderedslug,noairflow21.7°C/W
Solderedslug,250-LFPMairflow15.4°C/W
θ
JA
Unsolderedslug,noairflow50°C/W
Unsolderedslug,250-LFPMairflow43.4°C/W
θ
JC
Bottomofpackage(heatslug)2.99°C/W
(1)Using36thermalvias(6x6array).SeetheApplicationSection.
2
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RECOMMENDEDOPERATINGCONDITIONS
ELECTRICALCHARACTERISTICS
ADS5444
SLWS162A–AUGUST2005–REVISEDFEBRUARY2006
MINNOMMAXUNIT
SUPPLIES
AV
DD
Analogsupplyvoltage4.7555.25V
DRV
DD
Outputdriversupplyvoltage33.33.6V
ANALOGINPUT
Differentialinputrange2.2V
PP
V
CM
Inputcommonmode2.4V
CLOCKINPUT
1/t
C
ADCLKinputsamplerate(sinewave)10250MSPS
Clockamplitude,differentialsinewave3Vpp
Clockdutycycle50%
T
A
Openfreeairtemperature–4085°C
MIN,TYP,andMAXvaluesatT
A
=25°C,fulltemperaturerangeisT
MIN
=–40°CtoT
MAX
=85°C,samplingrate=250MSPS,
50%clockdutycycle,AV
DD
=5V,DRV
DD
=3.3V,–1dBFSdifferentialinput,and3V
PP
differentialclock,unlessotherwise
noted
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
Resolution13Bits
ANALOGINPUTS
Differentialinputrange2.2V
pp
Differentialinputresistance(DC)1kΩ
Differentialinputcapacitance1.5pF
Analoginputbandwidth800MHz
INTERNALREFERENCEVOLTAGE
VREFReferencevoltage2.4V
DYNAMICACCURACY
NomissingcodesAssured
DNLDifferentiallinearityerrorf
IN
=10MHz-1±0.41LSB
INLIntegrallinearityerrorf
IN
=10MHz-2.2±0.92.2LSB
Offseterror-1111mV
Offsettemperaturecoefficient0.0005mV/°C
Gainerror–55%FS
Gaintemperaturecoefficient-0.02∆%/°C
PSRR100-MHzsupply1mV/V
frequency
POWERSUPPLY
I
AVDD
Analogsupplycurrent340390mA
I
DRVDD
OutputbuffersupplycurrentV
IN
=fullscale,f
IN
=100MHz,F
S
=250MSPS80100mA
Powerdissipation22.28W
3
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Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS5444 |
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