Texas Instruments ADS7056 Handleiding

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AVDD

AINP

AINM

GND

AVDD

Device

+

R

C

Actual Device Size

1.5 x 1.5 x 0.35(H) mm

1

.5

mm

1.5mm

RUG (8)

AVDD used as Reference for

device

SONAR TX

SONAR RX

OPA836

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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

ADS7056

SBAS769–MARCH2017

ADS7056Ultra-LowPower,Ultra-SmallSize,14-Bit,High-SpeedSARADC

1

1Features

1

•2.5-MSPSThroughput

•Ultra-SmallSizeSARADC:

–X2QFN-8Packagewith2.25-mm

2

Footprint

•WideOperatingRange:

–AVDD:2.35Vto3.6V

–DVDD:1.65Vto3.6V(IndependentofAVDD)

–TemperatureRange:–40°Cto+125°C

•UnipolarInputRange:0VtoAVDD

•ExcellentPerformance:

–14-BitNMCDNL,±2-LSBINL

–74.5-dBSINADat2-kHz

–73.7-dBSINADat1-MHz

•Ultra-LowPowerConsumption:

–3.5mWat2.5-MSPSwith3.3-VAVDD

–158µWat100-kSPSwith3.3-VAVDD

•IntegratedOffsetCalibration

•SPI-CompatibleSerialInterface:60-MHz

•JESD8-7ACompliantDigitalI/O

2Applications

•SonarReceivers

•OpticalLineCardsandModules

•ThermalImaging

•UltrasonicFlowMeters

•MotorControls

•HandheldRadios

•EnvironmentalSensing

•FireandSmokeDetection

3Description

TheADS7056isa14-bit,2.5-MSPS,analog-to-digital

converter(ADC).Thedeviceincludesacapacitor-

based,successive-approximationregister(SAR)ADC

thatsupportsawideanaloginputvoltagerange(0V

toAVDD,forAVDDintherangeof2.35Vto3.6V).

TheSPI-compatibleserialinterfaceiscontrolledby

theCSandSCLKsignals.Theinputsignalis

sampledwiththeCSfallingedgeandSCLKisused

forconversionandserialdataoutput.Thedevice

supportsawidedigitalsupplyrange(1.65Vto3.6V),

enablingdirectinterfacingtoavarietyofhost

controllers.TheADS7056complieswiththeJESD8-

7AstandardforanormalDVDDrange(1.65Vto

1.95V).

TheADS7056isavailableinan8-pin,miniature,

X2QFNpackageandisspecifiedovertheextended

industrialtemperaturerange(–40°Cto+125°C).

Miniatureform-factorandextremelylow-power

consumptionmakethisdevicesuitableforspace-

constrainedandbattery-poweredapplications.

DeviceInformation

(1)

PARTNAMEPACKAGEBODYSIZE(NOM)

ADS7056X2QFN(8)1.50mm×1.50mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

TypicalApplication

NOTE:TheADS7056issmallerthana0805(2012

metric)SMDcomponent.

Product specificaties