Texas Instruments ADC128S052 Handleiding

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ADC

CONTROLLER

VA

VD

IN7

IN6

IN5

IN4

IN3

IN2

IN1

IN0

AGNDDGND

4-wireSPI

VIN7

VIN3

VIN0

MCU

VAisusedastheReference

fortheADC

VDcanbesetindependently

ofVA

“Digital”SupplyRail“Analog”SupplyRail

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

ADC128S052

,

ADC128S052-Q1

SNAS333E–AUGUST2005–REVISEDDECEMBER2015

ADC128S052,ADC128S052-Q18-Channel,200kSPSto500kSPS,12-BitA/DConverter

1Features3Description

TheADC128S052xdeviceisalow-power,eight-

1

•QualifiedforAutomotiveApplications

channelCMOS12-bitanalog-to-digitalconverter

•AEC-Q100QualifiedWiththeFollowingResults:

specifiedforconversionthroughputratesof

–DeviceTemperatureGrade1:–40°Cto

200kSPSto500kSPS.Theconverterisbasedona

+125°CAmbientOperatingTemperature

successive-approximationregisterarchitecturewith

Range

aninternaltrack-and-holdcircuit.Itcanbeconfigured

toacceptuptoeightinputsignalsatinputsIN0

•EightInputChannels

throughIN7.

•VariablePowerManagement

Theoutputserialdataisstraightbinaryandis

•IndependentAnalogandDigitalSupplies

compatiblewithseveralstandards,suchasSPI,

•CompatibleWithSPI™,QSPI™,MICROWIRE,

QSPI,MICROWIRE,andmanycommonDSPserial

andDSP

interfaces.

•Packagedin16-PinTSSOP

TheADC128S052xmaybeoperatedwith

•ConversionRate200kSPSto500kSPS

independentanaloganddigitalsupplies.Theanalog

supply(V

A

)canrangefrom2.7Vto5.25V,andthe

•DNL(V

A

=V

D

=5V)+1.3or−0.9LSB

digitalsupply(V

D

)canrangefrom2.7VtoV

A

.

(Maximum)

Normalpowerconsumptionusinga3-Vor

•INL(V

A

=V

D

=5V)±1LSB(Maximum)

5-Vsupplyis1.6mWand8.7mW,respectively.The

•PowerConsumption

power-downfeaturereducesthepowerconsumption

–3-VSupply1.6mW(Typical)

to0.06µWusinga3-Vsupplyand0.25µWusinga

5-Vsupply.

–5-VSupply8.7mW(Typical)

TheADC128S052xispackagedina16-pinTSSOP

2Applications

package.TheADC128S052isensuredoverthe

extendedindustrialtemperaturerangeof−40°Cto

•AutomotiveNavigation

+105°CwhiletheADC128S052-Q1isensuredtoan

•PortableSystems

AECQ100Grade-1automotivetemperaturerangeof

•MedicalInstruments

−40°Cto+125°C.

•MobileCommunications

DeviceInformation

(1)

•InstrumentationandControlSystems

PARTNUMBERPACKAGEBODYSIZE(NOM)

ADC128S052,

TSSOP(16)4.40mm×5.00mm

ADC128S052-Q1

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

SimplifiedSchematic

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Product specificaties