PT5031N中文资料
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LM118/LM218/LM318
OperationalAmplifiers
GeneralDescription
TheLM118seriesareprecisionhighspeedoperationalam-
plifiersdesignedforapplicationsrequiringwidebandwidth
andhighslewrate.Theyfeatureafactoroftenincreasein
speedovergeneralpurposedeviceswithoutsacrificingDC
performance.
TheLM118serieshasinternalunitygainfrequencycompen-
sation.Thisconsiderablysimplifiesitsapplicationsinceno
externalcomponentsarenecessaryforoperation.However,
unlikemostinternallycompensatedamplifiers,externalfre-
quencycompensationmaybeaddedforoptimumperfor-
mance.Forinvertingapplications,feedforwardcompensa-
tionwillboosttheslewratetoover150V/µsandalmost
doublethebandwidth.Overcompensationcanbeusedwith
theamplifierforgreaterstabilitywhenmaximumbandwidth
isnotneeded.Further,asinglecapacitorcanbeaddedto
reducethe0.1%settlingtimetounder1µs.
Thehighspeedandfastsettlingtimeoftheseopampsmake
LM5030
100VPush-PullCurrentModePWMController
GeneralDescription
TheLM5030HighVoltagePWMcontrollercontainsallofthe
featuresneededtoimplementPush-PullandBridgetopolo-
gies,usingcurrent-modecontrolinasmall10pinpackage.
Thisdeviceprovidestwoalternatinggatedriveroutputs.The
LM5030includesahigh-voltagestart-upregulatorthatoper-
atesoverawideinputrangeof14Vto100V.Additional
featuresinclude:erroramplifier,precisionreference,dual
modecurrentlimit,slopecompensation,softstart,syncca-
pabilityandthermalshutdown.ThishighspeedIChastotal
propagationdelayslessthan100nsanda1MHzcapable
singleresistoradjustableoscillator.
Package:MSOP-10(Contactfactoryforthermallyenhanced
LLPavailability).Features
nInternalHighVoltageStart-upRegulator
nSingleResistorOscillatorSetting
nSynchronizable
nErrorAmplifier
nPrecisionReference
nAdjustableSoftstart
nDualModeOver-CurrentProtection
CD4541中文资料以及PDF引脚功能
CD4541中文资料pdf 引脚功能
CD4541/CC4541是一个可编程分频器,它为十六级二分频器。当脉冲源产生的脉冲信号后,一般其频率较高,这样就需要分频把高频脉冲变换成合适于计时的低频脉冲信号,得到50HZ
的脉冲信号。
真值表:
比率表: 引脚图
逻辑图
Absolute Maximum Ratings 绝对最大额定值:
Recommended Operating Conditions 建议操作条件:
DC Electrical Characteristics 直流电气特性: AC Electrical C haracteristics 交流电气特性:
应用电路: 图1 定时电路图
此定时电路为声纳浮标定时器,控制系统工作时间长短。此电路结构简单,定时精确度高,此电路定时控制时间最大为15小时,在电路设计上,V+为电压输入端,输入范围在3~15 V,9 013 代表接面二极管(Junction Diodes),K为6 V继电器,做为控制电路开关。
由于此IC 为频率振荡器,以R(电阻)与C(电容)匹配振荡频率。其电路设计上之振荡频率匹配须符合1 kHz≤1/(2.3RC)≤100
kHz 及R≥10Ωk,
RS≈2R的条件,所以匹配后得到R=150 kΩ,C=4.7 μf,RS=300 kΩ。在工作时间设定参考(式1)进行设定。其中时间T 之单位为秒,控制参数n 取值如下表
所示,所以欲使系统工作时间达4 小时,其控制参数n 值为8,192,A 与B值皆为0,所以A、B两点均须连接到接地端。
定时电路设定:T =2.3nRC (式1)
TP3054-X,TP3057-X
ExtendedTemperatureSerialInterfaceCODEC/Filter
COMBO®Family
GeneralDescriptionTheTP3054,TP3057familyconsistsofµ-lawandA-lawmonolithicPCMCODEC/filtersutilizingtheA/DandD/AconversionarchitectureshowninFigure1,andaserialPCMinterface.ThedevicesarefabricatedusingNational’sad-vanceddouble-polyCMOSprocess(microCMOS).Theencodeportionofeachdeviceconsistsofaninputgainadjustamplifier,anactiveRCpre-filterwhicheliminatesveryhighfrequencynoisepriortoenteringaswitched-capacitorband-passfilterthatrejectssignalsbelow200Hzandabove3400Hz.Alsoincludedareauto-zerocircuitryandacom-pandingcoderwhichsamplesthefilteredsignalanden-codesitinthecompandedµ-laworA-lawPCMformat.Thedecodeportionofeachdeviceconsistsofanexpandingdecoder,whichreconstructstheanalogsignalfromthecom-pandedµ-laworA-lawcode,alow-passfilterwhichcorrectsforthesinx/xresponseofthedecoderoutputandrejectssignalsabove3400Hzfollowedbyasingle-endedpoweramplifiercapableofdrivinglowimpedanceloads.Thede-vicesrequiretwo1.536MHz,1.544MHzor2.048MHztransmitandreceivemasterclocks,whichmaybeasynchro-nous;transmitandreceivebitclocks,whichmayvaryfrom64kHzto2.048MHz;andtransmitandreceiveframesyncpulses.ThetimingoftheframesyncpulsesandPCMdataiscompatiblewithbothindustrystandardformats.Featuresn−40˚Cto+85˚CoperationnCompleteCODECandfilteringsystem(COMBO)including:—Transmithigh-passandlow-passfiltering—Receivelow-passfilterwithsinx/xcorrection—ActiveRCnoisefilters—µ-laworA-lawcompatibleCOderandDECoder—Internalprecisionvoltagereference—SerialI/Ointerface—Internalauto-zerocircuitrynµ-law,16-pin—TP3054nA-law,16-pin—TP3057nDesignedforD3/D4andCCITTapplicationsn±5VoperationnLowoperatingpower—typically50mWnPower-downstandbymode—typically3mWnAutomaticpower-downnTTLorCMOScompatibledigitalinterfacesnMaximizeslineinterfacecardcircuitdensitynDual-In-LineorPCCsurfacemountpackagesnSeealsoAN-370,“TechniquesforDesigningwithCODEC/FilterCOMBOCircuits”