Characteristics of an ideal Op-amp
Op-amps, which can be generally categorized as noninverting amplifiers and inverting amplifiers, are utilized as voltage amplifiers in the most fundamental circuit. Voltage followers, often known as buffers, are a sort of noninverting amplifier that is frequently employed. Op-amps are also utilized in integrator circuits, differential amplifiers, etc. The characteristics of an ideal opamp are:
- Zero output impedance
- Infinite frequency bandwidth
- common-mode rejection ratio should be infinite
- Infinite open-loop gain
- Infinite input impedance
What is an Operational Amplifier (Op-amp)?
An integrated circuit called an operational amplifier has the ability to amplify weak electric impulses. One output pin and two input pins make up an operational amplifier. The voltage difference between the two input pins is amplified and output by it as its primary function. It is used in the Analog design library
Applications of Op Amp
Operational Amplifiers are used as
- Voltage Comparator
- Integrator
- Phase Shifter
- Scale Changer
- Inverting Amplifiers
- Non-Inverting Amplifiers
- Voltage to Current Converter
- Logarithmic Amplifier
- Half Wave Rectifier
- Differential Amplifier
- Adder or Summing Amplifier
What are the ideal characteristics of op-amp CMRR?
In an ideal scenario, the common-mode gain of the Op-Amp should be zero, meaning it produces a zero output when the same voltage is applied to both the inverting and non-inverting terminals. Therefore, the Common-Mode Rejection Ratio (CMRR) of an ideal Op-Amp is infinity.