Texas Instruments ADS7043 Handleiding
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AVDD
OPA_AVDD
V
IN+
AINP
AINM
GND
AVDD
Device
OPA_AVSS
+
R
C
+
±
Actual Device Size
1.5 x 1.5 x 0.35(H) mm
1
.
5
mm
1
.
5
mm
RUG (8)
AVDD used as
Reference for device
AVDD/2
R
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Reference
Design
ADS7043
SBAS681D–NOVEMBER2014–REVISEDDECEMBER2015
ADS7043Ultra-LowPower,Ultra-SmallSize,12-Bit,1-MSPS,SARADC
1Features3Description
TheADS7043isa1-MSPS,analog-to-digital
1
•Industry'sFirstSARADCwithNanowattPower
converter(ADC).Thedevicesupportsawideanalog
Consumption:
inputvoltagerange(±0.825Vto±1.8V)andincludes
–243µWat1MSPSwith1.8-VAVDD
acapacitor-based,successive-approximationregister
–780µWat1MSPSwith3-VAVDD
(SAR)ADCwithaninherentsample-and-holdcircuit.
TheSPI-compatibleserialinterfaceiscontrolledby
–78µWat100kSPSwith3-VAVDD
theCSandSCLKsignals.Theinputsignalis
–Lessthan1µWat1kSPSwith3-VAVDD
sampledwiththeCSfallingedgeandSCLKisused
•Industry'sSmallestSARADC:
forconversionandserialdataoutput.Thedevice
supportsawidedigitalsupplyrange(1.65Vto3.6V),
–X2QFN-8Packagewith2.25-mm
2
Footprint
enablingdirectinterfacetoavarietyofhost
•1-MSPSThroughputwithZeroDataLatency
controllers.ThedevicecomplieswiththeJESD8-7A
•WideOperatingRange:
standardfornormalDVDDrange(1.65Vto1.95V).
–AVDD:1.65Vto3.6V
Thedeviceisavailablein8-pin,miniature,leaded,
–DVDD:1.65Vto3.6V(IndependentofAVDD)
andX2QFNpackagesandisspecifiedforoperation
from–40°Cto125°C.Miniatureform-factorand
–TemperatureRange:–40°Cto125°C
extremelylow-powerconsumptionmakethisdevice
•ExcellentPerformance:
suitableforspace-constrained,battery-powered
–12-BitResolutionwithNMC
applications.
–±1-LSB(Max)DNLandINL
DeviceInformation
(1)
–70-dBSNRwith3-VAVDD
PARTNAMEPACKAGEBODYSIZE(NOM)
––80-dBTHDwith3-VAVDD
X2QFN(8)1.50mm×1.50mm
•Unipolar,Pseudo-DifferentialInputRange:ADS7043
VSSOP(8)2.30mm×2.00mm
–AVDD/2toAVDD/2
(1)Forallavailablepackages,seetheorderableaddendumat
•IntegratedOffsetCalibration
theendofthedatasheet.
•SPI™-CompatibleSerialInterface:16MHz
space
•JESD8-7ACompliantDigitalI/O
space
2Applications
space
•Low-PowerDataAcquisition
TypicalApplication
•Battery-PoweredHandheldEquipment
•LevelSensors
•UltrasonicFlowMeters
•MotorControls
•WearableFitness
•PortableMedicalEquipment
•HardDrives
•GlucoseMeters
NOTE:Thedeviceissmallerthana0805
(2012metric)SMDcomponent.
1
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS7043 |
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