Texas Instruments ADS5270 Handleiding
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1
FEATURES
APPLICATIONS
DESCRIPTION
12−Bit
ADC
PLL
S/HSerializer
1xADCLK
6xADCLK
IN1
P
ADCLK
IN1
N
OUT1
P
OUT1
N
12−Bit
ADC
S/H
Serializer
IN2
P
IN2
N
OUT2
P
OUT2
N
12−Bit
ADC
S/HSerializer
IN3
P
IN3
N
OUT3
P
OUT3
N
LCLK
P
LCLK
N
ADCLK
P
ADCLK
N
12xADCLK
12−Bit
ADC
S/HSerializer
IN4
P
IN4
N
OUT4
P
OUT4
N
12−Bit
ADC
S/H
Serializer
IN5
P
IN5
N
OUT5
P
OUT5
N
12−Bit
ADC
S/H
Serializer
IN6
P
IN6
N
OUT6
P
OUT6
N
12−Bit
ADC
S/H
Serializer
IN7
P
IN7
N
OUT7
P
OUT7
N
12−Bit
ADC
S/HSerializer
Reference
IN8
P
IN8
N
REF
T
INT/EXT
V
CM
REF
B
OUT8
P
OUT8
N
Registers
SCLK
SDATA
CS
Control
RESET
PD
ADS5270
www.ti.com
...............................................................................................................................................SBAS293F–JANUARY2004–REVISEDJANUARY2009
8-Channel,12-Bit,40MSPSAnalog-to-DigitalConverter
withSerialLVDSInterface
Anintegratedphaselockloop(PLL)multipliesthe
incomingADCsamplingclockbyafactorof12.This
23
•MaximumSampleRate:40MSPS
high-frequencyLVDSclockisusedinthedata
•12-BitResolution
serializationandtransmissionprocess.Theword
outputofeachinternalADCisserializedand
•NoMissingCodes
transmittedeitherMSBorLSBfirst.Inadditiontothe
•TotalPowerDissipation:
eightdataoutputs,abitclockandawordclockare
InternalReference:888mW
alsotransmitted.Thebitclockisat6xthespeedof
ExternalReference:822mW
thesamplingclock,whereasthewordclockisatthe
•CMOSTechnology
samespeedofthesamplingclock.
•SimultaneousSample-and-Hold
TheADS5270providesinternalreferences,orcan
•70.5dBSNRat10MHzIF
optionallybedrivenwithexternalreferences.Best
performancecanbeachievedthroughtheinternal
•3.3VDigital/AnalogSupply
referencemode.
•SerializedLVDSOutputs
ThedeviceisavailableinaTQFP-80PowerPAD
•IntegratedFrameandBitPatterns
packageandisspecifiedovera–40°Cto+85°C
•OptiontoDoubleLVDSClockOutputCurrents
operatingrange.
•FourCurrentModesforLVDS
•Pin-andFormat-CompatibleFamily
•TQFP-80PowerPAD™Package
•PortableUltrasoundSystems
•TapeDrives
•TestEquipment
•OpticalNetworking
TheADS5270isahigh-performance,40MSPS,
8-channelanalog-to-digitalconverter(ADC).Internal
referencesareprovided,simplifyingsystemdesign
requirements.Lowpowerconsumptionallowsforthe
highestofsystemintegrationdensities.SerialLVDS
(low-voltagedifferentialsignaling)outputsreducethe
numberofinterfacelinesandpackagesize.
RELATEDPRODUCTS
RESOLUTIONSAMPLERATE
MODEL(BITS)(MSPS)CHANNELS
ADS527112508
ADS527212658
ADS527312708
ADS527710658
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2PowerPADisatrademarkofTexasInstruments.
3Allothertrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2004–2009,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS5270 |
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