¨
特点
应用程序
描述
12− 有点
广告c
PLL
s/h serializer
1X 广告clk
6X 广告clk
IN1
p
一个DCLK
入点1
n
出点1
p
出点1
n
12− 有点
广告c
s/h
serializer
IN2
p
入点2
n
出点2
p
出点2
n
12− 有点
广告c
s/h
serializer
IN3
p
入点3
n
出点3
p
出点3
n
LCLk
p
LCLk
n
adclk
p
adclk
n
12− 有点
广告c
s/h
serializer
IN4
p
入点4
n
出点4
p
出点4
n
参考伦塞
ref
t
智力/e?XT
v
厘米
参考
B
寄存器
SCLK
sdata
cs
控制ol
重置
pd
ADS5240
SBAS326C–JUNE2004–REVISEDDECEMBER2004
4-频道,12-有点,40mspsadc
withSerialLVDSInterface
Anintegratedphaselockloopmultipliestheincoming
adcsamplingclockbyafactorof12.this12xclock
•
maximumsamplerate:40msps
isusedintheprocessofserializingthedataoutput
•
12-bitresolution
fromeachchannel.the12xclockisalsousedto
generatea1xanda6xclock,bothofwhichare
•
NoMissingCodes
transmittedaslvdsclockoutputs.the6xclockis
•
powerdissipation:607mw
denotedbythedifferentialpairLCLK
p
andLCLK
n
,
•
CMOSTechnology
whilethe1xclockisdenotedbyADCLK
p
和
•
simultaneoussample-和-保持
ADCLK
n
.thewordoutputofeachadcchannelcan
betransmittedeitherasmsborlsbfirst.thebit
•
70.5dbfssnrat10mhzif
coincidingwiththerisingedgeofthe1xclockoutput
•
InternalandExternalReferences
isthefirstbitoftheword.dataistobelatchedbythe
•
3.3vdigital/模拟供应
receiveronboththerisingandfallingedgesofthe6x
时钟.
•
SerializedLVDSOutputs
•
IntegratedFrameandBitPatterns
theads5240providesinternalreferences,orcan
optionallybedrivenwithexternalreferences.最好
•
MSBandLSBFirstModes
performancecanbeachievedthroughtheinternal
•
OptiontoDoubleLVDSClockOutputCurrents
referencemode.
•
管脚-andformat-compatiblefamily
thedeviceisavailableinanhtqfp-64powerpad
•
htqfp-64powerpad™package
packageandisspecifiedovera-40
°
Cto+85
°
c
operatingrange.
•
PortableUltrasoundSystems
•
TapeDrives
•
TestEquipment
•
OpticalNetworking
theads5240isahigh-业绩,4-频道,
40mspsanalog-至-digitalconverter(adc).内部
referencesareprovided,simplifyingsystemdesign
要求.lowpowerconsumptionallowsforthe
highestofsystemintegrationdensities.seriallvds
(低-voltagedifferentialsignaling)outputsreducethe
numberofinterfacelinesandpackagesize.
RELATEDPRODUCTS
RESOLUTIONSAMPLERATE
型号(比特)(msps)频道
ADS5242
(1)
12654
(1)availableq12005.
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
powerpadisatrademarkoftexasinstruments.
allothertrademarksarethepropertyoftheirrespectiveowners.
productiondatainformationiscurrentasofpublicationdate.
copyright©2004,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
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