Texas Instruments ADS5277 Handleiding
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1
FEATURES
APPLICATIONS
DESCRIPTION
10−Bit
ADC
PLL
S/H
Serializer
1xADCLK
6xADCLK
IN1
P
ADCLK
IN1
N
OUT1
P
OUT1
N
10−Bit
ADC
S/HSerializer
IN2
P
IN2
N
OUT2
P
OUT2
N
10−Bit
ADC
S/H
Serializer
IN3
P
IN3
N
OUT3
P
OUT3
N
LCLK
P
LCLK
N
ADCLK
P
ADCLK
N
12xADCLK
10−Bit
ADC
S/H
Serializer
IN4
P
IN4
N
OUT4
P
OUT4
N
10−Bit
ADC
S/H
Serializer
IN5
P
IN5
N
OUT5
P
OUT5
N
10−Bit
ADC
S/HSerializer
IN6
P
IN6
N
OUT6
P
OUT6
N
10−Bit
ADC
S/H
Serializer
IN7
P
IN7
N
OUT7
P
OUT7
N
10−Bit
ADC
S/H
Serializer
Reference
IN8
P
IN8
N
REF
T
INT/EXT
V
CM
REF
B
OUT8
P
OUT8
N
Registers
SCLK
SDATA
CS
Control
RESET
PD
ADS5277
www.ti.com
............................................................................................................................................SBAS333D–FEBRUARY2005–REVISEDJANUARY2009
8-Channel,10-Bit,65MSPSAnalog-to-DigitalConverter
withSerialLVDSInterface
Anintegratedphaselockloop(PLL)multipliesthe
incomingADCsamplingclockbyafactorof12.This
23
•MaximumSampleRate:65MSPS
high-frequencyclockisusedinthedataserialization
•10-BitResolution
andtransmissionprocess.Thewordoutputofeach
internalADCisserializedandtransmittedeitherMSB
•NoMissingCodes
orLSBfirst.Thewordconsistsof12bits,ofwhich
•TotalPowerDissipation:
the2LSBsarezeroesandtheremaining10bits
InternalReference:911mW
correspondtotheoutputfromtheADC.This
ExternalReference:845mW
formattingisdoneinordertokeeptheinterface
•CMOSTechnology
compatiblewiththe12-bitpartsofthefamily.In
additiontotheeightdataoutputs,abitclockanda
•SimultaneousSample-and-Hold
wordclockarealsotransmitted.Thebitclockisat6x
•61.7dBFSSNRat5MHzIF
thespeedofthesamplingclock,whereastheword
•3.3VDigital/AnalogSupply
clockisatthesamespeedofthesamplingclock.
•SerializedLVDSOutputs
TheADS5277providesinternalreferences,orcan
•IntegratedFrameandBitPatterns
optionallybedrivenwithexternalreferences.Best
performanceisachievedthroughtheinternal
•OptiontoDoubleLVDSClockOutputCurrents
referencemode.
•FourCurrentModesforLVDS
TheADS5277isavailableinaPowerPADTQFP-80
•Pin-andFormat-CompatibleFamily
packageandisspecifiedovera–40°Cto+85°C
•TQFP-80PowerPAD™Package
operatingrange.
•PortableUltrasoundSystems
•TapeDrives
•TestEquipment
TheADS5277isahigh-performance,CMOS,
65MSPS,8-channelanalog-to-digitalconverter
(ADC).Internalreferencesareprovided,simplifying
systemdesignrequirements.Lowpowerconsumption
allowsforthehighestofsystemintegrationdensities.
SerialLVDS(low-voltagedifferentialsignaling)
outputsreducethenumberofinterfacelinesand
packagesize.
RELATEDPRODUCTS
RESOLUTIONSAMPLERATE
MODEL(BITS)(MSPS)CHANNELS
ADS527012408
ADS527112508
ADS527212658
ADS527312708
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2PowerPADisatrademarkofTexasInstruments.
3Allothertrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2005–2009,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS5277 |
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