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FEATURESDESCRIPTION
产品
12-位
r-2r dac
dac 寄存器
输入 获得
控制 逻辑 和
输入 变换 寄存器
电源-在
重置
DAC7811
R
同步
SCLK
SDIN
V
DD
V
REF
R
FB
I
输出
1
I
输出
2
SDO
地
DAC7811
SBAS337–APRIL2005
12-位,serialinput,乘以
数字的-至-analogconverter
•
2.7vto5.5vsupplyoperation
thedac7811isacmos12-bitcurrentoutput
数字的-至-analogconverter(dac).thisdevice
•
50MHzSerialInterface
operatesfroma3.0vto5.5vpowersupply,制造
•
10MHzMultiplyingBandwidth
itsuitabletobothbattery-poweredandmanyother
•±
10VReferenceInput
产品.
•
lowglitchenergy:2nv-s
thisdacusesadouble-buffered3-wireserial
•
extendedtemperaturerange:
interfacethatiscompatiblewithspi™,qspi,
–40
°
Cto+125
°
C
microwire™,andmostdspinterfacestandards.
inaddition,aserialdataoutpin(sdo)allowsfor
•
10-leadsonpackage
daisy-chainingwhenmultiplepackagesareused.
•
12-bitmonotonic
Datareadbackallowstheusertoreadthecontentsof
•
4-quadrantmultiplication
thedacregisterviathesdopin.onpower-向上,这
internalshiftregisterandlatchesarefilledwithzeroes
•
电源-onresetwithbrownoutdetection
andthedacoutputsareatzeroscale.
•
daisy-chainmode
thedac7811offersexcellent4-quadrantmultipli-
•
ReadbackFunction
cationcharacteristics,withlargesignalmultiplying
•
工业-standardpinconfiguration
bandwidthof10mhz.theappliedexternalreference
inputvoltage(v
REF
)determinesthefull-scaleoutput
电流.anintegratedfeedbackresistor(r
FB
)pro-
•
portablebattery-poweredinstruments
videstemperaturetrackingandfull-scalevoltage
outputwhencombinedwithanexternalcur-
•
WaveformGenerators
rent-至-voltageprecisionamplifier.
•
AnalogProcessing
•
ProgrammableAmplifiersandAttenuators
thedac7811isavailableina10-leadmsoppack-
ageaswellasasmall10-leadsonpackage.
•
DigitallyControlledCalibration
•
ProgrammableFiltersandOscillators
•
CompositeVideo
•
Ultrasound
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
spiisatrademarkofmotorola,公司
microwireisatrademarkofnationalsemiconductor.
alltrademarksarethepropertyoftheirrespectiveowners.
productpreviewinformationconcernsproductsintheforma-
copyright©2005,texasinstrumentsincorporated
tiveordesignphaseofdevelopment.characteristicdataandother
specificationsaredesigngoals.texasinstrumentsreservesthe
righttochangeordiscontinuetheseproductswithoutnotice.
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