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8
14
数据
缓存区 一个
DAC
寄存器 一个
数据
缓存区 d
DAC
寄存器 d
dac 一个
dac d
缓存区
控制
寄存器
控制
电源-向下
控制 逻辑
V
输出
一个
V
输出
B
V
输出
C
V
输出
D
A0 A1 地
I
2
C
块
SCL
SDA
V
DD
DAC6574
SLAS408–DECEMBER2003
四方形,10-位,低-电源,voltageoutput,
I
2
cinterfacedigital-至-analogconverter
•
微观的
poweroperation:500µaat3vv
DD
thedac6574isalow-电源,quadchannel,10-位
•
fastupdaterate:188ksps
bufferedvoltageoutputdac.itson-chipprecision
outputamplifierallowsrail-至-railoutputswingtobe
•
每-channelpower-downcapability
达到.thedac6574utilizesani
2
Ccompatible
•
电源-onresettozero
twowireserialinterfacesupportinghigh-速
•
2.7-vto5.5-vanalogpowersupply
interfacemodewithaddresssupportofuptofour
•
10-bitmonotonic
dac6574sforatotalof16channelsonthebus.
•
I
2
c™interfaceupto3.4mbps
TheDAC6574usesV
DD
andGNDtosettheoutput
•
DataTransmitCapability
rangeofthedac.thedac6574incorporatesa
电源-在-resetcircuitthatensuresthatthedac
•
在-chipoutputbufferamplifier,栏杆-至-栏杆
outputpowersupatzerovoltsandremainsthereuntil
运作
avalidwritetakesplacetothedevice.thedac6574
•
翻倍-bufferedinputregister
containsaper-channelpower-downfeature,交流-
•
AddressSupportforuptoFourDAC6574s
cessedviatheinternalcontrolregister,thatreduces
•
SynchronousUpdateSupportforupto16
thecurrentconsumptionofthedeviceto200nAat5
途径
v.
•
OperationFrom–40
°
Cto105
°
C
Thelowpowerconsumptionofthispartinnormal
•
Small10LeadMSOPPackage
operationmakesitideallysuitedtoportablebattery
operatedequipment.thepowerconsumptionisless
than3mWatV
DD
=5Vreducingto1µWin
电源-downmode.
•
ProcessControl
•
DataAcquisitionSystems
TIoffersavarietyofdataconverterswithI
2
C
接口.seedacx57xfamilyof16/12/10/8bit,
•
关闭-loopservocontrol
singleandquadchanneldacs.alsoseeads7823
•
PCPeripherals
andads1100,12-bitoctalchanneland16-bitsingle
•
PortableInstrumentation
channeladcs.
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
I
2
cisatrademarkofphilipscorporation.
productiondatainformationiscurrentasofpublicationdate.
copyright©2003,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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