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FEATURESAPPLICATIONS
描述
R2R1
DAC
并行的 总线
输入
寄存器
控制
逻辑
DAC
寄存器
D15
WR
D0
…
RST
LDAC
REFR
COM
R1
R
FB
R
OFS
R
FB
R
OFS
V
DD
I
输出
AGND
DGND
DAC8820
DAC8820
SBAS358A–AUGUST2005–REVISEDNOVEMBER2005
16-位,parallelinputmultiplyingdigital-至-analogconverter
•
AutomaticTestEquipment
•±
0.5lsbdnl
•
仪器
•±
1LSBINL
•
DigitallyControlledCalibration
•
16-bitmonotonic
•
IndustrialControlPLCs
•
lownoise:12nv/
√
Hz
•
lowpower:idd=2
µ
一个
•
analogpowersupply:+2.7vto+5.5v
thedac8820multiplyingdigital-至-analogconverter
•
2mafull-scalecurrent:
(dac)isdesignedtooperatefromasingle2.7-vto
±
20%,withv
REF
=10V
5.5-vsupply.
•
settlingtime:0.5
µ
s
TheappliedexternalreferenceinputvoltageV
REF
•
4-quadrantmultiplyingreference
determinesthefull-scaleoutputcurrent.aninternal
feedbackresistor(r
FB
)providestemperaturetracking
•
referencebandwidth:10mhz
forthefull-scaleoutputwhencombinedwithan
•
referenceinput:
±
10V
外部,电压-至-电流(i/v)precisionamplifier.
•
referencedynamics:–105thd
aparallelinterfaceoffershigh-速
•
ssop-28package
communications.thedac8820ispackagedina
•
工业-standardpinconfiguration
空间-savingssop-28packageandhasan
工业-standardpinout.
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
PRODUCTPREVIEWinformationconcernsproductsinthe
copyright©2005,texasinstrumentsincorporated
formativeordesignphaseofdevelopment.characteristicdataand
otherspecificationsaredesigngoals.texasinstrumentsreserves
therighttochangeordiscontinuetheseproductswithoutnotice.
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