Texas Instruments DAC70502 Handleiding
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VOUTA
DAC
Register
DAC
Buffer
BUF
Resistive Network
Interface Logic
Power On Reset
VREFIO
SCLK or SCL
SDIN or SDA
SYNC
AGND
VDD
DAC
Internal
Reference
SPI2C
or A0
RSTSEL
Channel A
Channel B
VOUTB
Power Down Logic
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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
DAC80502
,
DAC70502
,
DAC60502
SBAS793A–NOVEMBER2019–REVISEDAPRIL2020
DACx0502,Dual,16-Bit,14-Bit,and12-Bit,1-LSBINL,Voltage-OutputDACs
WithPrecisionInternalReference
1
1Features
1
•16-bitperformance:1-LSBINLandDNL(max)
•Lowglitchenergy:4nV-s
•Widepowersupply:2.7Vto5.5V
•Bufferedoutputrange:5V,2.5V,or1.25V
•Lowpower:1mAperchannelat5.5V
•Integrated5-ppm/˚C(max),2.5-Vprecision
reference
•Pin-selectableserialinterface
–3-wire,SPIcompatibleupto50-MHz
–2-wire,I
2
Ccompatible
•Power-on-reset:zeroscaleormidscale
•1.62-VVIHwithVDD=5.5V
•Temperaturerange:–40˚Cto+125˚C
•Package:Tiny10-pinWSON
2Applications
•Oscilloscope(DSO)
•Batterytest
•Semiconductortest
•Dataacquisition(DAQ)
•LCDtest
•Smallcellbasestation
•Analogoutputmodule
•Processanalytics(pH,gas,concentration,force
andhumidity)
•DCpowersupply,acsource,electronicload
3Description
The16-bitDAC80502,14-bitDAC70502,and12-bit
DAC60502(DACx0502)digital-to-analogconverters
(DACs)arehighlyaccurate,low-powerdeviceswith
voltageoutput.
TheDACx0502offerlinearityof<1LSB.Thehigh
accuracycombinedwithtinypackagemakethe
DACx0502anexcellentchoiceforapplicationssuch
asgainandoffsetcalibration,currentorvoltageset
pointgeneration,andpower-supplycontrol.These
devicesincludea2.5-V,5-ppm/°Cinternalreference,
givingfull-scaleoutputvoltagerangesof1.25V,
2.5V,or5V.TheDACx0502incorporateapower-
on-resetcircuitthatmakessuretheDACoutput
powersupatzeroscaleormidscalebasedonthe
statusofRSTSELpin,andremainsatthatscaleuntil
avalidcodeiswrittentothedevice.
ThedigitalinterfaceoftheDACx0502canbe
configuredtoSPIorI
2
CmodeusingtheSPI2Cpin.
InSPImode,theDACx0502useaversatile3-wire
serialinterfacethatoperatesatclockratesupto50
MHz.InI
2
Cmode,theDACx0502operatein
standard(100kbps),fast(400kbps),andfast+(1.0
Mbps)modes.
DeviceInformation
(1)
PARTNUMBERPACKAGEBODYSIZE(NOM)
DAC80502
WSON(10)2.50mm×2.50mmDAC70502
DAC60502
(1)Forallavailablepackages,seethepackageoptionaddendum
attheendofthedatasheet.
FunctionalBlockDiagram
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | DAC70502 |
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