A comparator compares two voltages and outputs a digital signal indicating which is larger.
An electrical circuit known as a comparator examines the two inputs it receives and generates an output. This helps us understand whether the input is larger compared to the output or not. Two types of comparators:
- Inverted: It is an op-amp based comparator for which the input voltage is applied to the inverting terminal while the reference voltage is provided to the non-inverting terminal. Because the input voltage that needs to be equated is applied to the op-inverting amp's terminal, this comparator is known as an inverting comparator.
- Non- inverted: It is an op-amp based comparator where the input voltage is applied to the non-inverting terminal and the inverting terminal receives a reference voltage. The reason this op-amp-based comparator is referred to as a non-inverting comparator is because the input voltage that needs to be compared is applied to the op-non-inverting amp's terminal.
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