+1 vote
in Linear Integrated Circuits by (38.2k points)
The physical closeness of dual and quad package op-amp results in

(a) Op-amp coupling

(b) Amplifier to amplifier coupling

(c) Channel coupling

(d) Signal to noise coupling

I had been asked this question in final exam.

Origin of the question is Interpreting of Data Sheets in division Operational Amplifier Characteristics of Linear Integrated Circuits

1 Answer

0 votes
by (6.5k points)

The correct answer is:

(b) Amplifier to amplifier coupling

Explanation:

In dual and quad package op-amps, multiple op-amps are physically placed close together in the same package. This proximity can lead to amplifier-to-amplifier coupling, where signals from one amplifier can affect or interfere with the other amplifiers in the same package. This type of coupling is generally due to the physical layout and shared connections within the package, which can result in issues like cross-talk or unwanted interference between the channels.

This is important to consider when designing circuits to minimize these effects, especially in sensitive applications requiring low noise or high precision.

Related questions

We welcome you to Carrieradda QnA with open heart. Our small community of enthusiastic learners are very helpful and supportive. Here on this platform you can ask questions and receive answers from other members of the community. We also monitor posted questions and answers periodically to maintain the quality and integrity of the platform. Hope you will join our beautiful community
...