Texas Instruments DAC8311 Bedienungsanleitung

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Power-On

Reset

DAC

Register

14-/16-BitDAC

Output

Buffer

InputControl

Logic

Power-Down

ControlLogic

Resistor

Network

SYNC

SCLK

D

IN

AV

DD

GND

V

OUT

REF(+)

Product

Folder

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Technical

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DAC8311

,

DAC8411

SBAS439C–AUGUST2008–REVISEDJULY2015

DAC8x112-Vto5.5-V,80-μA,14-and16-Bit,Low-Power,Single-Channel,

Digital-to-AnalogConvertersinSC70Package

1Features3Description

TheDAC8311(14-bit)andDAC8411(16-bit)devices

1

•RelativeAccuracy:

arelow-power,single-channel,voltageoutputdigital-

–1LSBINL(DAC8311:14-bit)

to-analogconverters(DAC).Theyprovideexcellent

–4LSBINL(DAC8411:16-bit)

linearityandminimizeundesiredcode-to-code

transientvoltageswhileofferinganeasyupgrade

•microPowerOperation:80μAat2V

pathwithinapin-compatiblefamily.Alldevicesusea

•Power-Down:0.5μAat5V,0.1μAat2V

versatile,3-wireserialinterfacethatoperatesatclock

•WidePowerSupply:2Vto5.5V

ratesofupto50MHzandiscompatiblewith

standardSPI™,QSPI™,Microwire,anddigitalsignal

•Power-OnResettoZeroScale

processor(DSP)interfaces.

•StraightBinaryDataFormat

Alldevicesuseanexternalpowersupplyasa

•LowPowerSerialInterfaceWithSchmitt-

referencevoltagetosettheoutputrange.The

TriggeredInputs:Upto50MHz

devicesincorporateapower-onreset(POR)circuit

•On-ChipOutputBufferAmplifier,Rail-to-Rail

thatensurestheDACoutputpowersupat0Vand

Operation

remainsthereuntilavalidwritetothedeviceoccurs.

•SYNCInterruptFacility

TheDAC8311andDAC8411containapower-down

feature,accessedovertheserialinterface,that

•ExtendedTemperatureRange–40°Cto125°C

reducescurrentconsumptionofthedeviceto0.1μA

•Pin-CompatibleFamilyinaTiny,6-PinSC70

at2Vinpowerdownmode.Thelowpower

Package

consumptionofthesedevicesinnormaloperation

makesitideallysuitedforportable,battery-operated

2Applications

equipment.Thepowerconsumptionis0.55mWat5

V,reducingto2.5μWinpower-downmode.

•Portable,Battery-Poweredinstruments

•ProcessControls

Thesedevicesarepin-compatiblewiththeDAC5311,

DAC6311,andDAC7311,offeringaneasyupgrade

•DigitalGainandOffsetAdjustment

pathfrom8-,10-,and12-bitresolutionto14-and16-

•ProgrammableVoltageandCurrentSources

bit.Alldevicesareavailableinasmall,6-pin,SC70

package.Thispackageoffersaflexible,pin-

SimplifiedSchematic

compatible,andfunctionally-compatibledrop-in

solutionwithinthefamilyoveranextended

temperaturerangeof–40°Cto125°C.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

DAC8311

SC70(6)2.00mm×1.25mm

DAC8411

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Produktspezifikationen