Texas Instruments DAC43608 Bedienungsanleitung

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V

OUT

A

DAC

Active

Registers

DAC

Buffer

Registers

BUF

Channel A

Power Down LogicResistive Network

I

2

C

TM

Interface

Power On Reset

DACx3608

SCL

SDA

A0

DAC

V

DD

V

REF

IN

A

GND

LDAC

Channel H

V

OUT

H

CLR

THLD-HI

+

+

THLD-LO

DACx3608

V

OUT

V

IO

R

PULL-UP

R

1

R

2

V

IN

R

B

R

A

V

DAC

Product

Folder

Order

Now

Technical

Documents

Tools &

Software

Support &

Community

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

DAC53608

,

DAC43608

SLASEQ4A–OCTOBER2018–REVISEDDECEMBER2018

DACx3608Octal,10-Bitor8-Bit,I

2

C

TM

Interface,BufferedVoltageOutputDACs

inTiny3×3WQFNPackage

1

1Features

1

•±1-LSBINLandDNL

•WideOperatingRange

–PowerSupply:1.8Vto5.5V

–TemperatureRange:–40˚Cto125˚C

•I

2

C

TM

SerialInterface

–Standard,Fast,andFast+Mode

–2.4-V,VIHwithV

DD

=5.5V

•LDACPinForSimultaneousOutputUpdate

•VeryLowPower:0.1mA/Channelat1.8V

•LowPowerStartupMode:Outputspowereddown

to10KState

•TinyPackage

–16-PinWQFN(3mm×3mm)

2Applications

•ProgrammablePowerSupplies

•ProgrammableWindowComparator

•VCOMBiasinginDisplayPanel

•LaserDriverInMultifunctionPrinters

•AutoFocusDigitalStillCamerasLens

•ATMMachines,CurrencyCounters,Barcode

Readers

•IPNetworkCameras,Projectors

3Description

TheDAC53608andDAC43608(DACx3608)arelow-

power,eight-channel,voltage-output,10-bitor8-bit

digital-to-analogconverters(DACs)respectively.The

DACx3608arespecifiedmonotonicbydesignacross

awidepowersupplyrangefrom1.8Vto5.5V.Using

anexternalreference,theDACx3608providesafull

scaleoutputvoltagerangeof1.8Vto5.5Vwhile

consuming0.1-mAquiescentcurrentperchannel.

TheDACx3608alsoincludesperchannel,user

programmable,powerdownregisters.These

registersfacilitatetheDACoutputbufferstostartina

powerdownto10Kstateandremaininthisstateuntil

apowerupcommandisissuedtotheseoutput

buffers.

Lowquiescentcurrent,widepowersupplyrange,and

perchannelpowerdownoptionmakesDACx3608

idealforlowpower,batteryoperatedsystems.

ThedevicescommunicatethroughtheI

2

C

TM

interface.ThesedevicessupportI

2

C

TM

standard

mode(100kbps),fastmode(400kbps),andfast+

mode(1Mbps).ThesedevicesalsohavealoadDAC

(LDAC)pinthatallowssimultaneousDACupdates.

TheDACx3608areavailableinsmall3-mm×3-mm,

16-pinWQFNpackage.Thedevicesarefully

specifiedovertheextendedindustrialtemperature

rangeof–40°Cto+125°C.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

DAC53608WQFN(16)3.00mm×3.00mm

DAC43608WQFN(16)3.00mm×3.00mm

(1)Forallavailablepackages,refertotheorderableaddendum

attheendofthedatasheet.

SimplifiedBlockDiagramProgrammableWindowComparator

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