FEATURESAPPLICATIONS
描述
Successiveapproximation 寄存器 和 控制 逻辑
时钟
BUSY
比较器
字节
CS
r/c
CDAC
缓存区
REF
CAP
±
10 v 输入
5 k
Ω
2 k
Ω
9.8 k
Ω
内部的
+2.5 v ref
4 k
Ω
输出
Latches
和
三
状态
驱动器
三
状态
并行的
数据
总线
ADS8504
SLAS434–JUNE2005
12-bit250-kspssamplingcmosanalog-至-digitalconverter
•
IndustrialProcessControl
•
250-khzsamplingrate
•
DataAcquisitionSystems
•
standard±10-vinputrange
•
DigitalSignalProcessing
•
73-dbsinadwith45-khzinput
•
MedicalEquipment
•
±0.45lsbmaxinl
•
仪器
•
±0.45lsbmaxdnl
•
12BitNoMissingCode
•
±1LSBBipolarZeroErrors
theads8504isacomplete12-bitsamplinga/d
•
±0.4ppm/°cbipolarzeroerrordrift
converterusingstate-的-这-artcmosstructures.它
•
single5-vsupplyoperation
containsacomplete12-位,电容-为基础,sar
一个/dwiths/h,涉及,时钟,interfacefor
•
管脚-compatiblewithads7804/05(lowspeed)
microprocessoruse,and3-stateoutputdrivers.
and16-bitads8505
theads8504isspecifiedata250-khzsamplingrate
•
UsesInternalorExternalReference
overthefulltemperaturerange.precisionresistors
•
FullParallelDataOutput
provideanindustrystandard±10-vinputrange,当
•
70-mwtyppowerdissipationat250ksps
theinnovativedesignallowsoperationfromasingle
+5-vsupply,withpowerdissipationunder100mw.
•
28-pinsoicpackage
theads8504isavailableina28-pinsoicpackage
andisfullyspecifiedforoperationovertheindustrial
-40°cto85°ctemperaturerange.
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
productiondatainformationiscurrentasofpublicationdate.
copyright©2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.
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