Operational Amplifiers Learn About Electronics（运算放大器,了解电子产品）.pdf

Module 6 Amplifiers Operational Amplifiers The Ideal Amplifier What you’ll learn in Module 6. Section 6.0. Introduction to Operational Amplifiers. Understand Concept of the Ideal Amplifier and the Need for Integrated Circuits. Section 6.1 Op Amp Inputs. •Typical op amp input requirements. Section 6.2 Comparators. • Open Loop Mode, The Schmitt Trigger. • Hysteresis Positive Feedback. Section 6.3 Voltage Amplifiers. • The ideal op amp, NFB, Op amp rules. • Inverting non-inverting amplifiers. The Ideal Amplifier Section 6.4 Op Amp Characteristics. In amplifier modules 1 to 5 voltage and power • Power supplies, Open loop voltage gain. amplifiers are described in some detail so that • Large signal voltage gain, Gain bandwidth product. the circuit elements that go into making an • Input offset current, Maximum differential input. amplifier can be understood. Each of these circuit elements, such as negative and positive • Input resistance, Temperature coefficient. feedback, impedance, linearity, gain and • Slew rate, Power bandwidth. efficiency are used with the aim of improving the amplifier’s performance towards the goal Section 6.5 Op Amp Packages. of making th