Introduction to Operational Amplifiers
This self-paced class begins with operational amplifier (op-amp) concepts and terminology such as op-amp definition, op-amp terminals, op-amp input modes, op-amp basic ideal characteristics, specifications, feedback configurations, etc.
1
Key Concepts
History
Ideal Parameters
Terminals
Input Modes
Transfer Characteristics
Ideal Parameters Revisited
Linearity
Specifications
DC Specifications Explained
Input Voltage Range (VIN, VD, VCM)
Output Voltage Swing (VOH, VOL)
Feedback
Open Loop Gain
Closed Loop Gain
Bandwidth
Input Offset Voltage (VOS)
Input Bias Offset Current
Common Mode Rejection Ratio (CMRR)
Power Supply Rejection (PSRR)
Power Supply Requirements
Input Impedance
Output Impedance
AC Specifications
Bode Plot
Gain Bandwidth Product
Closed Loop Gain Bandwidth
Phase and Gain Margins
Slew Rate
Settling Time and Overshoot
2
Part II - Basic Op-Amp Configurations
Closed Loop Configuration
Inverting Amplifiers
Non-Inverting Amplifiers
Voltage Follower
Open Loop Configuration
Comparators
3
Key Concepts
Open Loop Gain Revisited
Decibels (dB)
Closed Loop Gain Revisited
Bandwidth Revisited
Stability
Phase Margin and Gain Margin
Internal and External R-C Networks
Compensation Network
Internal and External R-C Networks
4
Key Concepts
Comparators
Comparators with Hysteresis (Schmitt Trigger)
Inverting Summing Amplifier
Non-Inverting Summing Amplifier
5
Key Concepts
Integrators
Differentiators
6
Key Concepts
Low Pass Filters
High Pass Filters
Band Pass Filters
Microchip FilterLab® Software
Butterworth Filters
Chebyshev Filters
Bessel Filters
Filter Summary
Filter Design Example
Mindi Filter Examples
7
Key Concepts
Oscillator Basics
Feedback Oscillators
Phase Shift Oscillators
Relaxation Oscillators
Square Wave Oscillators
8
Key Concepts
Instrumentation Amplifiers
Instrumentation Amplifier Applications
Programmable Gain Amplifiers
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