However due to the limitations in the design of the Operational Amplifier internal circuitry it is subjected to some imperfections. By the term differential amplifier it means that the Operational Amplifier amplifies the difference of the signal voltages applied at Inverting and Non-inverting input terminal and the amplified difference of these signals appear on the output of the Operational Amplifier.
As we know that the Operational Amplifier is a differential amplifier with two input terminals and one output terminal.
The Operational Amplifier is the most commonly known analog ICs and it is capable of performing a large variety of operations that depends upon the feedback network of the Operational Amplifier for example the operational amplifier finds applications in Signal conditioning circuit, signal processing circuits, data acquisition systems and many more however all the operational amplifiers are subjected to some DC imperfections and DC offset voltage is one of them. Let us now understand what is the offset voltage and after this we will discuss how it manifests itself in the Operational Amplifier circuits.
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