Texas Instruments DAC7571 Handleiding
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V
DD
SCLA0
GND
Output
Buffer
Power Down
Control Logic
Resistor
Network
Ref (+) REF(-)
12-Bit
DAC
I
2
C
Control
Logic
DAC
Register
Power-On
Reset
V
OUT
SDA
D
A
C
7
5
1
2
DAC7571
www.ti.com
SLAS374D–FEBRUARY2003–REVISEDJANUARY2014
+2.7Vto+5.5V,I
2
CINTERFACE(RECEIVEONLY),VOLTAGEOUTPUT,
12-BITDIGITAL-TO-ANALOGCONVERTER
CheckforSamples:DAC7571
1
FEATURES
DESCRIPTION
2
•MicropowerOperation:140µA@5V
TheDAC7571isalow-power,singlechannel,12-bit
•Power-OnResettoZero
bufferedvoltageoutputDAC.Itson-chipprecision
•+2.7-Vto+5.5-VPowerSupply
outputamplifierallowsrail-to-railoutputswingtobe
achieved.TheDAC7571utilizesanI
2
Ccompatible
•SpecifiedMonotonicbyDesign
twowireserialinterfacethatoperatesatclockrates
•SettlingTime:10µsto±0.003%FS
upto3.4Mbpswithaddresssupportofuptotwo
•I
2
C™Interfaceupto3.4Mbps
DAC7571sonthesamedatabus.
•On-ChipOutputBufferAmplifier,Rail-to-Rail
TheoutputvoltagerangeoftheDACissettoV
DD
.
Operation
TheDAC7571incorporatesapower-on-resetcircuit
•Double-BufferedInputRegister
thatensuresthattheDACoutputpowersupatzero
voltsandremainsthereuntilavalidwritetothe
•AddressSupportforuptoTwoDAC7571s
devicetakesplace.TheDAC7571containsapower-
•Small6-LeadSOTPackage
downfeature,accessedviatheinternalcontrol
•OperationFrom–40°Cto105°C
register,thatreducesthecurrentconsumptionofthe
deviceto50nAat5V.
APPLICATIONS
Thelowpowerconsumptionofthispartinnormal
•ProcessControl
operationmakesitideallysuitedforportablebattery
operatedequipment.Thepowerconsumptionisless
•DataAcquisitionSystems
than0.7mWatV
DD
=5Vreducingto1µWinpower-
•Closed-LoopServoControl
downmode.
•PCPeripherals
TheDAC7571isavailableina6-leadSOT23
•PortableInstrumentation
package.
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2I
2
CisatrademarkofPhilipsCorporation.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2003–2014,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | DAC7571 |
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