CMOS模拟集成电路设计.2版-艾伦(原版)

AllenandHolberg-CMOSAnalogCircuitDesignPageI.0-1I.INTRODUCTIONContentsI.1IntroductionI.2AnalogIntegratedCircuitDesignI.3TechnologyOverviewI.4NotationI.5AnalogCircuitAnalysisTechniques://•Teachtheanalysis,modeling,simulation,anddesignofanalogcircuitsimplementedinCMOStechnology.•Emphasiswillbeonthedesignmethodologyandahierarchicalapproachtothesubject.SPECIFICOBJECTIVES1.Presentanoverall,uniformviewpointofCMOSanalogcircuitdesign.2.Achieveanunderstandingofanalogcircuitdesign.•Handcalculationsusingsimplemodels•Emphasisoninsight•Simulationtoprovidesecond-orderdesignresolution3.Presentahierarchicalapproach.•Sub-blocksfiBlocksfiCircuitsfiSystems4.Examplestoillustratetheconcepts.(RCproducts)FILTERSAMPLIFICATIONPassiveRLCcircuitsOpen-loopamplifiersActive-RCFiltersFeedbackAmplifiersRequiresprecisedefinitionofpassivecomponentsSwitchedCapacitorFiltersRequirespreciseCratiosandclockSwitchedCapacitorAmplifiersRequirespreciseCratiosContinuousTimeFiltersTimeconstantsareadjustableContinuousTimeAmplifiersComponentratiosareadjustable197819831935-19501992??Digitallyassistedanalogcircuits(kitparts)FabricationIndependentVeryDependentPhysicalImplementationPClayoutLayout,verification,andextractionParasiticsNotImportantMustbeincludedinthedesignSimulationModelparameterswellknownModelparametersvarywidelyTestingGenerallycompletetestingispossibleMustbeconsideredbeforethedesignCADSchematiccapture,simulation,PCboardlayoutSchematiccapture,simulation,extraction,LVS,layoutandroutingComponentsAllpossibleActivedevices,capacitors,andresistors电子发烧友AllenandHolberg-CMOSAnalogCircuitDesignPageI.2-4COMPARISONOFANALOGANDDIGITALCIRCUITSAnalogCircuitsDigitalCircuitsSignalsarecontinuousinamplitudeandcanbecontinuousordiscreteintimeSignalarediscontinuousinamplitudeandtime-binarysignalshavetwoamplitudestatesDesignedatthecircuitlevelDesignedatthesystemslevelComponentsmusthaveacontinuumofvaluesComponenthavefixedvaluesCustomizedStandardCADtoolsaredifficulttoapplyCADtoolshavebeenextremelysuccessfulRequiresprecisionmodelingTimingmodelsonlyPerformanceoptimizedProgrammablebysoftwareIrregularblockRegularblocksDifficulttorouteautomaticallyEasytorouteautomaticallyDynamicrangelimitedbypowersuppliesandnoise(andlinearity)Dynamicrangeunlimited(Hz)Signalfrequencyusedinsignalprocessingapplications.(Hz)GaAsOpticalMOSdigitallogicBipolardigitallogicBipolaranalogMOSanalogBiCMOS(AluminumGate)NMOSAluminumgateSilicongateAluminumgateSilicongate(W=10L)AnalogSwitchImplementationOffsets,asymmetricGoodPowerDissipationModeratetohighLowbutcanbelargeSpeedFasterFastCompatibleCapacitorsVoltagedependentGoodACPerformanceDependenceDCvariablesonlyDCvariablesandgeometryNumberofTerminals34Noise(1/f)GoodPoorNoiseThermalOKOKOffsetVoltage1mV5-10mV:•Densedigitallogic•High-performance