Respuesta :
The minimum no of pins required by dual-op-amp is 8. Each op-amp has 2 input terminals(4 pins) and one output terminal(2 pins). Another 2 pins are required for power.
What is dual-op-amp?
An operational amplifier is a high-gain, DC-coupled electronic voltage amplifier with differential input and typically single-ended output. An op amp in this setup generates an output potential (relative to circuit ground) that is typically 100,000 times greater than the potential difference between its input terminals. Operational amplifiers were first employed in analog computers to carry out mathematical operations in linear, non-linear, and frequency-dependent circuits.
The op amp's popularity as a component in analog circuits stems from its adaptability. By adopting negative feedback, the properties of an op-amp circuit, such as its gain, input and output impedance, bandwidth, etc., are defined by external components and have no influence on temperature coefficients or technical tolerance in the op amp itself.
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