产品 预告(展)
特性
产品
描述
10−Bit
模数转换器
PLL
s/h
Se rializer
1X ADCLK
6X ADCLK
IN1
P
ADCLK
IN1
N
OUT1
P
OUT1
N
10−Bit
模数转换器
s/h Se rializer
IN2
P
IN2
N
OUT2
P
OUT2
N
10−Bit
模数转换器
s/h Se rializer
IN3
P
IN3
N
OUT3
P
OUT3
N
LCLK
P
LCLK
N
ADCLK
P
ADCLK
N
10−Bit
模数转换器
s/h
Se rializer
IN4
P
IN4
N
OUT4
P
OUT4
N
10−Bit
模数转换器
s/h Se rializer
IN5
P
IN5
N
OUT5
P
OUT5
N
10−Bit
模数转换器
s/h
Se rializer
IN6
P
IN6
N
OUT6
P
OUT6
N
10−Bit
模数转换器
s/h Se rializer
IN7
P
IN7
N
OUT7
P
OUT7
N
10−Bit
模数转换器
s/h
Se rializer
Reference
IN8
P
IN8
N
REF
T
在t/ext
V
C M
REF
B
OUT8
P
OUT8
N
R egisters
SCLK
SDAT一个
CS
控制
RESET
PD
ADS5275
SBAS300–JANUARY2004–REVISEDNOVEMBER2004
8-频道,10-位,40mspsadc
withSerialLVDSInterface
theads5275providesinternalreferences,orcan
optionallybedrivenwithexternalreferences.最好的
•
maximumsamplerate:40msps
performancecanbeachievedthroughtheinternal
•
10-bitresolution
referencemode.
•
NoMissingCodes
theads5275isavailableinapowerpadtqfp-80
•
powerdissipation:768mw
packageandarespecifiedovera-40
°
Cto+85
°
C
operatingrange.
•
CMOSTechnology
•
simultaneoussample-和-支撑
•
60.5dbsnrat10mhzif
•
SerializedLVDSOutputsMeetorExceed
requirementsofansitia/eia-644-astandard
•
InternalandExternalReferences
•
3.3vdigital/analogsupply
•
tqfp-80powerpad™package
•
PortableUltrasoundSystems
•
TapeDrives
•
TestEquipment
theads5275isahigh-效能,40msps,
8-频道,parallelanalog-至-digitalconverter(模数转换器).
internalreferencesareprovided,simplifyingsystem
designrequirements.lowpowerconsumptionallows
forthehighestofsystemintegrationdensities.串行
lvds(低-voltagedifferentialsignaling)outputsre-
ducethenumberofinterfacelinesandpackagesize.
inlvds,anintegratedphaselockloopmultipliesthe
incomingadcsamplingclockbyafactorof6.这个
高-frequencylvdsclockisusedinthedata
serializationandtransmissionprocessandiscon-
vertedtoanLVDSsignalfortransmissioninparallel
withthedata.providingthisadditionallvdsclock
allowsforeasydelaymatching.thewordoutputof
eachinternalADCisserializedandtransmittedeither
msborlsbfirst.thebitfollowingtherisingedgeof
theadcclockoutputisthefirstbitoftheword.
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
powerpadisatrademarkoftexasinstruments.
allothertrademarksarethepropertyoftheirrespectiveowners.
productpreviewinformationconcernsproductsintheforma-
copyright©2004,texasinstrumentsincorporated
tiveordesignphaseofdevelopment.characteristicdataandother
specificationsaredesigngoals.texasinstrumentsreservesthe
righttochangeordiscontinuetheseproductswithoutnotice.
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