Texas Instruments ADS6125 Handleiding
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1
FEATURES
DESCRIPTION
APPLICATIONS
ADS6125,ADS6124
ADS6123,ADS6122
SLAS560A–OCTOBER2007–REVISEDMARCH2008
www.ti.com
12-BITS,125/105/80/65MSPSADCWITHDDRLVDS/CMOSOUTPUTS
•MaximumSampleRate:125MSPS
•12-BitResolutionwithNoMissingCodes
ADS6125/ADS6124/ADS6123/ADS6122(ADS612X)
isafamilyof12-bitA/Dconverterswithsampling
•3.5dBCoarseGainandupto6dB
frequenciesupto125MSPS.Itcombineshigh
ProgrammableFineGainforSNR/SFDR
performanceandlowpowerconsumptionina
Trade-Off
compact32QFNpackage.Usinganinternalhigh
•ParallelCMOSandDoubleDataRate(DDR)
bandwidthsampleandholdandalowjitterclock
LVDSOutputOptions
bufferhelpstoachievehighSNRandhighSFDR
evenathighinputfrequencies.
•SupportsSine,LVCMOS,LVPECL,LVDSClock
InputsandClockAmplitudeDownto400mV
PP
Itfeaturescoarseandfinegainoptionsthatareused
toimproveSFDRperformanceatlowerfull-scale
•ClockDutyCycleStabilizer
analoginputranges.
•InternalReferencewithSupportforExternal
Reference
ThedigitaldataoutputsareeitherparallelCMOSor
DDRLVDS(DoubleDataRate).Severalfeatures
•NoExternalDecouplingRequiredfor
existtoeasedatacapturesuchas—controlsfor
References
outputclockpositionandoutputbufferdrivestrength,
•ProgrammableOutputClockPositionand
andLVDScurrentandinternaltermination
DriveStrengthtoEaseDataCapture
programmability.
•3.3VAnalogand1.8Vto3.3VDigitalSupply
Theoutputinterfacetype,gain,andotherfunctions
•32-QFNPackage(5mm×5mm)
areprogrammedusinga3-wireserialinterface.
Alternatively,someofthesefunctionsareconfigured
•PinCompatible12-BitFamily(ADS612X)
usingdedicatedparallelpinssothatthedevice
comesupinthedesiredstateafterpower-up.
•WirelessCommunicationsInfrastructure
ADS612Xincludesinternalreferences,while
eliminatingthetraditionalreferencepinsand
•SoftwareDefinedRadio
associatedexternaldecoupling.Externalreference
•PowerAmplifierLinearization
modeisalsosupported.
•802.16d/e
Thedevicesarespecifiedovertheindustrial
•TestandMeasurementInstrumentation
temperaturerange(–40°Cto85°C).
•HighDefinitionVideo
•MedicalImaging
•RadarSystems
ADS612XPerformanceSummary
ADS6125ADS6124ADS6123ADS6122
F
in
=10MHz(0dBgain)90919395
SFDR,dBc
F
in
=170MHz(3.5dBgain)78828384
F
in
=10MHz(0dBgain)71.171.371.571.6
SINAD,dBFS
F
in
=170MHz(3.5dBgain)67.669.169.269.8
Power,mW417374318285
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2007–2008,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
www.ti.com
SHA
12-Bit
ADC
CLOCK
GEN
Reference
Digital
Encoder
and
Serializer
Control
Interface
INP
INM
CLKP
CLKM
VCM
CLKOUTP
CLKOUTM
D0_D1_P
D0_D1_M
D2_D3_P
D4_D5_P
D6_D7_P
D8_D9_P
D10_D11_P
D2_D3_M
D4_D5_M
D6_D7_M
D8_D9_M
D10_D11_M
ADS612X
SCLK
SEN
SDATA
RESET
LVDSMODE
AVDD
AGND
DRVDD
DRGND
PDN
ADS6125,ADS6124
ADS6123,ADS6122
SLAS560A–OCTOBER2007–REVISEDMARCH2008
ThisintegratedcircuitcanbedamagedbyESD.TexasInstrumentsrecommendsthatallintegratedcircuitsbehandledwith
appropriateprecautions.Failuretoobserveproperhandlingandinstallationprocedurescancausedamage.
ESDdamagecanrangefromsubtleperformancedegradationtocompletedevicefailure.Precisionintegratedcircuitsmaybemore
susceptibletodamagebecauseverysmallparametricchangescouldcausethedevicenottomeetitspublishedspecifications.
ADS61XXFAMILY
125MSPS105MSPS80MSPS65MSPS
ADS614X
ADS6145ADS6144ADS6143ADS6142
14Bits
ADS612X
ADS6125ADS6124ADS6123ADS6122
12Bits
2SubmitDocumentationFeedbackCopyright©2007–2008,TexasInstrumentsIncorporated
ProductFolderLink(s):ADS6125,ADS6124ADS6123,ADS6122
www.ti.com
ABSOLUTEMAXIMUMRATINGS
(1)
ADS6125,ADS6124
ADS6123,ADS6122
SLAS560A–OCTOBER2007–REVISEDMARCH2008
PACKAGE/ORDERINGINFORMATION
(1)
SPECIFIED
PACKAGE-PACKAGEPACKAGEORDERING
PRODUCTTEMPERATURETRANSPORTMEDIA
LEADDESIGNATORMARKINGNUMBER
RANGE
ADS6125IRHBTTapeandReel,small
ADS6125QFN-32
(2)
RHB–40°Cto85°CAZ6125
ADS6125IRHBRTapeandReel,large
ADS6124IRHBTTapeandReel,small
ADS6124QFN-32
(2)
RHB–40°Cto85°CAZ6124
ADS6124IRHBRTapeandReel,large
ADS6123IRHBTTapeandReel,small
ADS6123QFN-32
(2)
RHB–40°Cto85°CAZ6123
ADS6123IRHBRTapeandReel,large
ADS6122IRHBTTapeandReel,small
ADS6122QFN-32
(2)
RHB–40°Cto85°CAZ6122
ADS6122IRHBRTapeandReel,large
(1)Forthemostcurrentpackageandorderinginformation,seethePackageOptionAddendumattheendofthisdocument,orseetheTI
websiteatwww.ti.com.
(2)Forthermalpadsizeonthepackage,seethemechanicaldrawingsattheendofthisdatasheet.θ
JA
=34°C/W(0LFMairflow),
θ
JC
=30°C/Wwhenusedwith2oz.coppertraceandpadsoldereddirectlytoaJEDECstandardfourlayer3in×3in(7.62cm×
7.62cm)PCB.
VALUEUNIT
Supplyvoltagerange,AVDD–0.3to3.9V
V
I
Supplyvoltagerange,DRVDD–0.3to3.9V
VoltagebetweenAGNDandDRGND–0.3to0.3V
VoltagebetweenAVDDtoDRVDD–0.3to3.3V
VoltageappliedtoVCMpin(inexternalreferencemode)–0.3to2V
Voltageappliedtoanaloginputpins,INPandINM–0.3tominimum(3.6,AVDD+0.3)V
Voltageappliedtoanaloginputpins,CLKPandCLKM–0.3to(AVDD+0.3)V
T
A
Operatingfree-airtemperaturerange–40to85°C
T
J
Operatingjunctiontemperaturerange125°C
T
stg
Storagetemperaturerange–65to150°C
(1)Stressesbeyondthoselistedunderabsolutemaximumratingsmaycausepermanentdamagetothedevice.Thesearestressratings
only,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderrecommendedoperating
conditionsisnotimplied.Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.
Copyright©2007–2008,TexasInstrumentsIncorporatedSubmitDocumentationFeedback3
ProductFolderLink(s):ADS6125,ADS6124ADS6123,ADS6122
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS6125 |
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