Operational Amplifier and Its Applications
The chapter provides an in-depth exploration of operational amplifiers (Op-Amps), detailing their functionality, configurations, and various applications. Key topics include the characteristics of Op-Amps, insights into different input modes, feedback mechanisms, and a range of practical applications such as amplifiers and mathematical operations.
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What we have learnt
- Operational amplifiers are versatile components used in various electronic applications.
- Feedback in Op-Amps can significantly improve performance and stability.
- Op-Amps have multiple configurations including inverting, non-inverting, and summing amplifiers, each serving different functions.
Key Concepts
- -- Operational Amplifier (OpAmp)
- A high-gain voltage amplifier with differential inputs, widely used for signal conditioning and mathematical operations.
- -- Input Modes
- Differential Mode and Common Mode represent the two types of voltage configurations when inputs are applied to Op-Amps.
- -- Negative Feedback
- A technique to stabilize the gain of an Op-Amp and improve bandwidth while minimizing distortion.
- -- Slew Rate
- The maximum rate of change of the output voltage in response to a rapid change in input voltage.
- -- Gain
- The factor by which an Op-Amp amplifies the input signal, which can vary based on the configuration (inverting or non-inverting).
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