Texas Instruments ADS8329 Handleiding
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1
FEATURESAPPLICATIONS
DESCRIPTION
REF−
+IN
REF+
SDI
SCLK
SDO
CDAC
SAR
COMPARATOR
OUTPUT
LATCH
and
3−STATE
DRIVER
CONVERSION
and
CONTROL
LOGIC
−IN
+IN1
+IN0
COM
NC
OSC
_
+
ADS8330ADS8329
FS/CS
CONVST
EOC/INT/CDI
ADS8329
ADS8330
www.ti.com
...................................................................................................................................................SLAS516C–DECEMBER2006–REVISEDJULY2009
LOW-POWER,16-BIT,1-MHz,SINGLE/DUALUNIPOLARINPUT,
ANALOG-TO-DIGITALCONVERTERSWITHSERIALINTERFACE
•Communications
2
•2.7-Vto5.5-VAnalogSupply,LowPower:
•TransducerInterface
–15.5mW(1MHz,+VA=3V,+VBD=1.8V)
•MedicalInstruments
•1-MHzSamplingRate3V≤+VA≤5.5V,
•Magnetometers
900-kHzSamplingRate2.7V≤+VA≤3V
•IndustrialProcessControl
•ExcellentDCPerformance:
•DataAcquisitionSystems
±1.0LSBTyp,±1.75LSBMaxINL
±0.5LSBTyp,±1LSBMaxDNL
•AutomaticTestEquipment
16-BitNMCOverTemperature
±0.5mVMaxOffsetErrorat3V
±1mVMaxOffsetErrorat5V
TheADS8329isalow-power,16-bit,1-MSPS
•ExcellentACPerformanceatf
I
=10kHzwith
analog-to-digitalconverter(ADC)withaunipolar
93dBSNR,105dBSFDR,–102dBTHD
input.Thedeviceincludesa16-bitcapacitor-based
SARADCwithinherentsample-and-hold.
•Built-InConversionClock(CCLK)
•1.65Vto5.5VI/OSupply:TheADS8330isbasedonthesamecoreand
includesa2-to-1inputMUXwithprogrammable
SPI/DSPCompatibleSerial
optionofTAGbitoutput.BoththeADS8329and
SCLKupto50MHz
ADS8330offerahigh-speed,widevoltageserial
•ComprehensivePower-DownModes:
interfaceandarecapableofchainmodeoperation
DeepPower-Down
whenmultipleconvertersareused.
NapPower-Down
Theseconvertersareavailablein4×4QFNand
AutoNapPower-Down
16-pinTSSOPpackages,andarefullyspecifiedfor
•UnipolarInputRange:0VtoV
REF
operationovertheindustrial–40°Cto+85°C
•SoftwareReset
temperaturerange.
•GlobalCONVST(IndependentofCS)
LowPower,High-SpeedSARConverterFamily
•ProgrammableStatus/PolarityEOC/INT
Type/Speed500kSPS1MSPS
•16-Pin4×4QFNand16-PinTSSOPPackages
SingleADS8327ADS8329
•Multi-ChipDaisyChainMode
16-bitsingle-ended
DualADS8328ADS8330
•ProgrammableTAGBitOutput
Single—ADS7279
14-bitsingle-ended
•Auto/ManualChannelSelectMode(ADS8330)
Dual—ADS7280
Single—ADS7229
12-bitsingleended
Dual—ADS7230
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexas
Instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2006–2009,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
ABSOLUTEMAXIMUMRATINGS
ADS8329
ADS8330
SLAS516C–DECEMBER2006–REVISEDJULY2009...................................................................................................................................................
www.ti.com
Thesedeviceshavelimitedbuilt-inESDprotection.Theleadsshouldbeshortedtogetherorthedeviceplacedinconductivefoam
duringstorageorhandlingtopreventelectrostaticdamagetotheMOSgates.
ORDERINGINFORMATION
(1)
MAXIMUMMAXIMUMMAXIMUM
INTEGRALDIFFERENTIALOFFSETTRANSPORT
LINEARITYLINEARITYERRORPACKAGEPACKAGETEMPERATUREORDERINGMEDIA,
MODEL(LSB)(LSB)(mV)TYPEDESIGNATORRANGEINFORMATIONQUANTITY
ADS8329IRSATSmalltapeandreel,250
4×4QFN-16RSA
ADS8329IRSARTapeandreel,3000
ADS8329I±2.5–1/+2±0.8–40°Cto+85°C
ADS8329IPWTube,90
TSSOP-16PW
ADS8329IPWRTapeandreel,2000
ADS8329IBRSATSmalltapeandreel,250
4×4QFN-16RSA
ADS8329IBRSARTapeandreel,3000
ADS8329IB±1.75±1±0.5–40°Cto+85°C
ADS8329IBPWTube,90
TSSOP-16PW
ADS8329IBPWRTapeandreel,2000
ADS8330IRSATSmalltapeandreel,250
4×4QFN-16RSA
ADS8330IRSARTapeandreel,3000
ADS8330I±2.5–1/+2±0.8–40°Cto+85°C
ADS8330IPWTube,90
TSSOP-16PW
ADS8330IPWRTapeandreel,2000
ADS8330IBRSATSmalltapeandreel,250
4×4QFN-16RSA
ADS8330IBRSARTapeandreel,3000
ADS8330IB±1.75±1±0.5–40°Cto+85°C
ADS8330IBPWTube,90
TSSOP-16PW
ADS8330IBPWRTapeandreel,2000
(1)ForthemostcurrentpackageandorderinginformationseethePackageOptionAddendumattheendofthisdocument,orseetheTI
websiteatwww.ti.com.
Overoperatingfree-airtemperaturerange,unlessotherwisenoted.
(1)
UNIT
+INtoAGND–0.3Vto+VA+0.3V
Voltage
–INtoAGND–0.3Vto+VA+0.3V
+VAtoAGND–0.3Vto7V
+REFtoAGND–0.3Vto+VA+0.3V
Voltagerange–REFtoAGND–0.3Vto0.3V
+VBDtoBDGND–0.3Vto7V
AGNDtoBDGND–0.3Vto0.3V
DigitalinputvoltagetoBDGND–0.3Vto+VBD+0.3V
DigitaloutputvoltagetoBDGND–0.3Vto+VBD+0.3V
T
A
Operatingfree-airtemperaturerange–40°Cto+85°C
T
stg
Storagetemperaturerange–65°Cto+150°C
Junctiontemperature(T
J
max)+150°C
Powerdissipation(T
J
Max–T
A
)/θ
JA
4×4QFN-16
package
θ
JA
thermalimpedance+47°C/W
Powerdissipation(T
J
Max–T
A
)/θ
JA
TSSOP-16
package
θ
JA
thermalimpedance+86°C/W
(1)Stressesbeyondthoselistedunderabsolutemaximumratingsmaycausepermanentdamagetothedevice.Thesearestressratings
only,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderrecommendedoperating
conditionsisnotimplied.Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.
2SubmitDocumentationFeedbackCopyright©2006–2009,TexasInstrumentsIncorporated
ProductFolderLink(s):ADS8329ADS8330
ELECTRICALCHARACTERISTICS
ADS8329
ADS8330
www.ti.com
...................................................................................................................................................SLAS516C–DECEMBER2006–REVISEDJULY2009
T
A
=–40°Cto85°C,+VA=4.5Vto5.5V,+VBD=1.65Vto5.5V,V
REF
=5V,andf
SAMPLE
=1MHz,unlessotherwisenoted.
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
ANALOGINPUT
Full-scaleinputvoltage
(1)
+IN–(–IN)or(+INx–COM)0+V
REF
V
+IN,+IN0,+IN1AGND–0.2+VA+0.2
AbsoluteinputvoltageV
–INorCOMAGND–0.2AGND+0.2
Inputcapacitance4045pF
Noongoingconversion,
Inputleakagecurrent–11nA
dcinput
Atdc109
Inputchannelisolation,ADS8330onlydB
V
I
=±1.25V
PP
at50kHz101
SYSTEMPERFORMANCE
Resolution16Bits
Nomissingcodes16Bits
ADS8329IB,ADS8330IB–1.75±1.21.75
Integral
INLLSB
(2)
linearity
ADS8329I,ADS8330I–2.5±1.52.5
ADS8329IB,ADS8330IB–1±0.41
Differential
DNLLSB
(2)
linearity
ADS8329I,ADS8330I–1±0.52
ADS8329IB,ADS8330IB–1±0.271
E
O
Offseterror
(3)
mV
ADS8329I,ADS8330I–1.25±0.81.25
OffseterrordriftFSR=5V+0.4ppm/°C
E
G
Gainerror–0.25–0.040.25%FSR
Gainerrordrift+0.75ppm/°C
Atdc70
CMRRCommon-moderejectionratiodB
V
I
=0.4V
PP
at1MHz50
Noise33µVRMS
PSRRPower-supplyrejectionratioAtFFFFhoutputcode
(3)
78dB
SAMPLINGDYNAMICS
t
CONV
Conversiontime18CCLK
t
SAMPLE1
Manualtrigger3
AcquisitiontimeCCLK
t
SAMPLE2
Autotrigger3
Throughputrate1MHz
Aperturedelay5ns
Aperturejitter10ps
Stepresponse100ns
Overvoltagerecovery100ns
(1)Idealinputspan;doesnotincludegainoroffseterror.
(2)LSBmeansleastsignificantbit.
(3)Measuredrelativetoanidealfull-scaleinput[+IN–(–IN)]of4.096Vwhen+VA=5V.
Copyright©2006–2009,TexasInstrumentsIncorporatedSubmitDocumentationFeedback3
ProductFolderLink(s):ADS8329ADS8330
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | ADS8329 |
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