Texas Instruments ADS7047 Handleiding
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Single ADC Circuit
Simultaneous Sampling Circuit
Optical
HOST
CS
SDO
SCLK
ADC 2
CS
SCLK
SDO
ADC 1
SONAR
Votlage/
Current
ADC Package Size
1.5 (L) x 1.5 (W) x 0.35 (H) mm
FDAADC
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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
ADS7047
SBAS819–DECEMBER2017
ADS704712-Bit,3-MSPS,DifferentialInput,Small-Size,Low-PowerSARADC
1
1Features
1
•3-MSPSThroughput
•SmallPackageSize:
–X2QFN-8Package(1.5mm×1.5mm)
•FullyDifferentialInputRange:±AVDD
•WideOperatingRange:
–AVDD:2.35Vto3.6V
–DVDD:1.65Vto3.6V(IndependentofAVDD)
–TemperatureRange:–40°Cto+125°C
•ExcellentPerformance:
–12-BitNMCDNL,±0.2-LSBINL
–72.8-dBSINADat2kHz
–71.7-dBSINADat1MHz
•LowPowerConsumption:
–4mWat3MSPSWith3.3-VAVDD
–130µWat100kSPSWith3.3-VAVDD
–74µWat100kSPSWith2.5-VAVDD
•IntegratedOffsetCalibration
•SPI-CompatibleSerialInterface:60MHz
•JESD8-7ACompliantDigitalI/O
2Applications
•OpticalEncoders
•SonarReceivers
•FishFinders
•I-QDemodulators
•OpticalLineCardsandModules
•ThermalImagingCameras
•UltrasonicFlowMeters
•HandheldRadios
3Description
TheADS7047devicebelongstoafamilyofpin-to-pin
compatible,high-speed,low-power,single-channel
successive-approximationregister(SAR)typeanalog-
to-digitalconverters(ADCs).Thedevicefamily
includesmultipleresolutions,throughputs,andanalog
inputvariants(seeTable1foralistofdevices).
TheADS7047isa12-bit,3-MSPSSARADCthat
supportsfully-differentialinputsintherangeof
±AVDD,forAVDDintherangeof2.35Vto3.6V.
Theinternaloffsetcalibrationfeaturemaintains
excellentoffsetspecificationsovertheentireAVDD
andtemperatureoperatingrange.
ThedevicesupportsanSPI-compatibleserial
interfacethatiscontrolledbytheCSandSCLK
signals.TheinputsignalissampledwiththeCS
fallingedgeandSCLKisusedforbothconversion
andserialdataoutput.Thedevicesupportsawide
digitalsupplyrange(1.65Vto3.6V),enablingdirect
interfacingtoavarietyofhostcontrollers.The
ADS7047complieswiththeJESD8-7Astandardfora
normalDVDDrange(1.65Vto1.95V).
TheADS7047isavailableinan8-pin,small,X2QFN
packageandisspecifiedovertheextendedindustrial
temperaturerange(–40°Cto+125°C).Thesmall
form-factorandextremely-lowpowerconsumption
makethisdevicesuitableforspace-constrainedand
battery-poweredapplicationsthatrequirehigh-speed,
high-resolutiondataacquisition.
DeviceInformation
(1)
PARTNAMEPACKAGEBODYSIZE(NOM)
ADS7047X2QFN(8)1.50mm×1.50mm
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
TypicalApplication
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS7047 |
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