Texas Instruments ADS5231 Handleiding
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FEATURESDESCRIPTION
APPLICATIONS
12-Bit
Pipelined
ADC
Error
Correction
Logic
Timing/DutyCycle
Adjust(PLL)
Internal
Reference
3-State
Output
S/H
D11A
·
·
·
D0A
12-Bit
Pipelined
ADC
Error
Correction
Logic
3-State
Output
S/H
D11B
·
·
·
D0B
AVDDOE
A
VDRVSDATASENSCLKSEL
OVR
A
OVR
B
IN
A
CM
IN
A
INT/EXT
CLK
DV
A
DV
B
REF
T
REF
B
IN
B
V
IN
OE
B
STPD
IN
B
ADS5231
V
IN
Serial
Interface
DISABLE_PLL
ADS5231
SBAS295A–JULY2004–REVISEDJANUARY2007
Dual,12-Bit,40MSPS,+3.3V
Analog-to-DigitalConverter
•Single+3.3VSupply
TheADS5231isadual,high-speed,highdynamic
range,12-bitpipelinedanalog-to-digitalconverter
•HighSNR:70.7dBFSatf
IN
=5MHz
(ADC).Thisconverterincludesahigh-bandwidth
•TotalPowerDissipation:
sample-and-holdamplifierthatgivesexcellent
InternalReference:321mW
spuriousperformanceuptoandbeyondtheNyquist
ExternalReference:285mW
rate.Thedifferentialnatureofthesample-and-hold
•InternalorExternalReference
amplifierandADCcircuitryminimizeseven-order
harmonicsandgivesexcellentcommon-modenoise
•LowDNL:±0.3LSB
immunity.
•FlexibleInputRange:1.5V
PP
to2V
PP
TheADS5231providesforsettingthefull-scale
•TQFP-64Package
rangeoftheconverterwithoutanyexternalreference
circuitry.Theinternalreferencecanbedisabled,
allowinglow-drive,externalreferencestobeusedfor
•CommunicationsIFProcessing
improvedtrackinginmultichannelsystems.
•CommunicationsBaseStations
TheADS5231providesanover-rangeindicatorflag
•TestEquipment
toindicateaninputsignalthatexceedsthefull-scale
•MedicalImaging
inputrangeoftheconverter.Thisflagcanbeusedto
•VideoDigitizing
reducethegainoffront-endgaincontrolcircuitry.
Thereisalsoanoutputenablepintoallowfor
•CCDDigitizing
multiplexingandtestingonaprintedcircuitboard
(PCB).
TheADS5231employsdigitalerrorcorrection
techniquestoprovideexcellentdifferentiallinearity
fordemandingimagingapplications.TheADS5231is
availableinaTQFP-64package.
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2004–2007,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS5231 |
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