Texas Instruments ADS7040 Handleiding

Bekijk gratis de handleiding van Texas Instruments ADS7040 (43 pagina’s), behorend tot de categorie Niet gecategoriseerd. Deze gids werd als nuttig beoordeeld door 2 mensen en kreeg gemiddeld 4.9 sterren uit 9 reviews. Heb je een vraag over Texas Instruments ADS7040 of wil je andere gebruikers van dit product iets vragen? Stel een vraag

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

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

Reference

Design

ADS7040

SBAS676C–NOVEMBER2014–REVISEDDECEMBER2015

ADS7040Ultra-LowPower,Ultra-SmallSize,8-Bit,1-MSPS,SARADC

1Features3Description

TheADS7040isa8-bit,1-MSPS,analog-to-digital

1

•Industry'sFirstSARADCwithNanowattPower

converter(ADC).Thedevicesupportsawideanalog

Consumption:

inputvoltagerange(1.65Vto3.6V)andincludesa

–171µWat1MSPSwith1.8-VAVDD

capacitor-based,successive-approximationregister

–555µWat1MSPSwith3-VAVDD

(SAR)ADCwithaninherentsample-and-holdcircuit.

TheSPI-compatibleserialinterfaceiscontrolledby

–56µWat100kSPSwith3-VAVDD

theCSandSCLKsignals.Theinputsignalis

–Lessthan1µWat1kSPSwith3-VAVDD

sampledwiththeCSfallingedgeandSCLKisused

•Industry'sSmallestSARADC:

forconversionandserialdataoutput.Thedevice

supportsawidedigitalsupplyrange(1.65Vto3.6V),

–X2QFN-8Packagewith2.25-mm

2

Footprint

enablingdirectinterfacetoavarietyofhost

•1-MSPSThroughputwithZeroDataLatency

controllers.TheADS7040complieswiththeJESD8-

•WideOperatingRange:

7AstandardforanormalDVDDrange(1.65Vto

1.95V).

–AVDD:1.65Vto3.6V

–DVDD:1.65Vto3.6V(IndependentofAVDD)

TheADS7040isavailablein8-pin,miniature,leaded,

andX2QFNpackagesandisspecifiedforoperation

–TemperatureRange:–40°Cto125°C

from–40°Cto125°C.Miniatureform-factorand

•ExcellentPerformance:

extremelylow-powerconsumptionmakethisdevice

–8-BitResolutionwithNMC

suitableforspace-constrained,battery-powered

applications.

–±0.5-LSB(Max)INL,±0.4-LSB(Max)DNL

–49dBSNR

DeviceInformation

(1)

––70-dBTHD

PARTNAMEPACKAGEBODYSIZE(NOM)

•UnipolarInputRange:0VtoAVDD

X2QFN(8)1.50mm×1.50mm

ADS7040

•IntegratedOffsetCalibration

VSSOP(8)2.30mm×2.00mm

•SPI™-CompatibleSerialInterface:12MHz

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

•JESD8-7ACompliantDigitalI/O

space

2Applications

space

•Low-PowerDataAcquisition

space

•Battery-PoweredHandheldEquipment

•LevelSensors

TypicalApplication

•UltrasonicFlowMeters

•MotorControl

•WearableFitness

•PortableMedicalEquipment

•HardDrives

•GlucoseMeters

NOTE:TheADS7040issmallerthana

0805(2012metric)SMDcomponent.

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Product specificaties