Transcription of Lecture 5: The ideal operational amplifier
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Lecture 5: The ideal operational amplifier
Intelligent Sensor SystemsRicardo Gutierrez-OsunaWright State University1 Lecture 5: The ideal operational amplifiergThe ideal operational amplifiernTerminalsnBasic ideal op-amp propertiesgOp-amp familiesgOperational amplifier circuitsnComparator and buffernInverting and non-inverting amplifiernSumming and differential amplifiernIntegrating and differentiating amplifiernCurrent- voltage conversionIntelligent Sensor SystemsRicardo Gutierrez-OsunaWright State University2 The ideal op-amp gPrimary op-amp terminalsnInverting inputnNon-inverting inputnOutputnPower supplyFrom [Car91]Intelligent Sensor SystemsRicardo Gutierrez-OsunaWright State University3 ideal op-amp characteristicsgThe ideal op-amp is characterized by seven propertiesnKnowledge of these properties is sufficient to design and analyze a large number of useful circuitsgBasic op-amp propertiesnInfinite open-loop voltage gainnInfinite input impedancenZero output impedancenZero noise contributionnZero DC output offsetnInfinite bandwidthnDifferential inputs that stick toget
Intelligent Sensor Systems Ricardo Gutierrez-Osuna Wright State University 3 Ideal op-amp characteristics g The ideal op-amp is characterized by seven properties n Knowledge of these properties is sufficient to design and analyze a large number of useful circuits g Basic op-amp properties n Infinite open-loop voltage gain n Infinite input impedance n Zero output impedance
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