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- Input_offset_voltage abstract "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).An ideal op-amp amplifies the differential input; if this input is 0 volts (i.e. both inputs are at the same voltage with respect to ground), the output should be zero. However, due to manufacturing process, the differential input transistors of real op-amps may not be exactly matched. This causes the output to be zero at a non-zero value of differential input, called the input offset voltage.Typical values for are around 1 to 10mV for cheap commercial-grade op-amp integrated circuits (IC). This can be reduced to several microvolts if nulled using the IC's offset null pins or using higher-quality or laser-trimmed devices. However, the input offset voltage value may drift with temperature or age. Chopper amplifiers actively measure and compensate for the input offset voltage, and may be used when very low offset voltages are required.Input bias current and input offset current also affect the net offset voltage seen for a given amplifier. The voltage offset due to these currents, however, are separate from the input offset voltage parameter and is related to the impedance of the signal source and of the feedback and input impedance networks such as the two resistors used in the basic inverting and non-inverting amplifier configurations. FET-input op-amps tend to have lower input bias currents than bipolar-input op-amps, and hence incur less offset of this type.".
- Input_offset_voltage wikiPageExternalLink MT-037.pdf.
- Input_offset_voltage wikiPageID "21723680".
- Input_offset_voltage wikiPageRevisionID "588642454".
- Input_offset_voltage hasPhotoCollection Input_offset_voltage.
- Input_offset_voltage subject Category:Electrical_parameters.
- Input_offset_voltage type Abstraction100002137.
- Input_offset_voltage type Cognition100023271.
- Input_offset_voltage type Concept105835747.
- Input_offset_voltage type Constant105858936.
- Input_offset_voltage type Content105809192.
- Input_offset_voltage type ElectricalParameters.
- Input_offset_voltage type Idea105833840.
- Input_offset_voltage type Parameter105859071.
- Input_offset_voltage type PsychologicalFeature100023100.
- Input_offset_voltage type Quantity105855125.
- Input_offset_voltage comment "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).An ideal op-amp amplifies the differential input; if this input is 0 volts (i.e. both inputs are at the same voltage with respect to ground), the output should be zero.".
- Input_offset_voltage label "Input offset voltage".
- Input_offset_voltage label "Offset-Spannung".
- Input_offset_voltage label "Tensione di offset".
- Input_offset_voltage label "入力オフセット電圧".
- Input_offset_voltage sameAs Offset-Spannung.
- Input_offset_voltage sameAs Tensione_di_offset.
- Input_offset_voltage sameAs 入力オフセット電圧.
- Input_offset_voltage sameAs m.05mv5yp.
- Input_offset_voltage sameAs Q478566.
- Input_offset_voltage sameAs Q478566.
- Input_offset_voltage sameAs Input_offset_voltage.
- Input_offset_voltage wasDerivedFrom Input_offset_voltage?oldid=588642454.
- Input_offset_voltage isPrimaryTopicOf Input_offset_voltage.