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8
18
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
Power−Down
控制 逻辑
V
输出
一个
V
输出
B
V
输出
C
V
输出
D
V
REF
LA0 A1 A2 A3GND
I
2
c 块
SCL
SDA
LDAC
V
REF
H
IOV
DD
V
DD
DAC6573
SLAS402–NOVEMBER2003
四方形,10-位,低-电源,voltageoutput,
I
2
cinterfacedigital-至-analogconverter
•
微观的
poweroperation:500µaat3vv
DD
thedac6573isalow-电源,quadchannel,10-位
•
fastupdaterate:188ksps
bufferedvoltageoutputdac.itson-chipprecision
outputamplifierallowsrail-至-railoutputswing.这
•
电源-onresettozero
DAC6573utilizesanI
2
Ccompatibletwowireserial
•
2.7-vto5.5-vanalogpowersupply
interfacesupportinghigh-speedinterfacemodewith
•
10-bitmonotonic
addresssupportofuptosixteenDAC6573sforatotal
•
I
2
c™interfaceupto3.4mbps
of64channelsonthebus.
•
DataTransmitCapability
TheDAC6573requiresanexternalreferencevoltage
•
栏杆-至-railoperationoutputbufferamplifier
tosettheoutputrangeofthedac.thedac6573
incorporatesapower-在-resetcircuitthatensures
•
翻倍-bufferedinputregister
thattheDACoutputpowersupatzerovoltsand
•
AddressSupportforuptoSixteenDAC6573s
remainsthereuntilavalidwritetakesplaceinthe
•
SynchronousUpdateforupto64Channels
设备.thedac6573containsapower-downfea-
•
VoltageTranslatorsforallDigitalInputs
ture,accessedviatheinternalcontrolregister,那
reducesthecurrentconsumptionofthedeviceto200
•
OperationFrom–40
°
Cto105
°
C
naat5v.
•
Small16LeadTSSOPPackage
Thelowpowerconsumptionofthispartinnormal
operationmakesitideallysuitedtoportablebattery
operatedequipment.thepowerconsumptionisless
•
ProcessControl
than3mWatV
DD
=5Vreducingto1µWin
•
DataAcquisitionSystems
电源-downmode.
•
关闭-loopservocontrol
thedac6573isavailableina16-leadtssop
•
PCPeripherals
包装.
•
PortableInstrumentation
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
I
2
cisatrademarkofphilipscorporation.
productiondatainformationiscurrentasofpublicationdate.
copyright©2003,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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