![]() Typical values for are around 1 to 10mV for cheap commercial-grade op-amp integrated circuits (IC). This causes the output to be zero at a non-zero value of differential input, called the input offset voltage. However, due to manufacturing process, the differential input transistors of real op-amps may not be exactly matched. both inputs are at the same voltage with respect to ground), the output should be zero. Īn ideal op-amp amplifies the differential input if this input is 0 volts (i.e. ![]() The input offset voltage ( ) is a parameter defining the differential DC voltage required between the inputs of an amplifier, especially an operational amplifier (op-amp), to make the output zero (for voltage amplifiers, 0 volts with respect to ground or between differential outputs, depending on the output type). ![]()
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