## How to improve the Gain efficiency and bandwidth of an Op AMP

To increase the bandwidth of an Op AMP, the closed loop voltage gain of the Op AMP should be decreased. The Gain- bandwidth product of an Op AMP is constant, so increaseing the gain will decrease the bandwidth and vice versa.

Choosing an Op AMP with a higher bandwidth will decrease the gain error, but may result in higher power consumption and noise.

## What is an Op AMP? Engineering Libre text !

Op AMPs are used in many applications such as amplifiers, filters, Oscillators, comparators, and more. Engineers use Op AMP to perform Mathematical operations, such as addition, subtraction, multication, differentiation, and integration, They are also used to amplify signals and covert signals from one form to another.

## Power Op AMP

Power Op AMPs are operational amplifiers that are designed to handle higher power levels than standard Op AMPs. They are used in applications where high output current is requiredsuch as driving motors and lamps.

Temperature measurement designing with Op AMP , Conditioning a switch - mode power supply current signal using TI Op AMP.

## Advantages of two stage Op AMP

Two - stage Op AMPs are used when the gain provided by single -stage OpAMPs is not sufficient. The first stage of the Op AMP provides the required large gain, while the second stage gives the large voltage swings. Two- stage Op AMPs have good gain, high output swing, low noise, and good nandwidth over folded cascode. They can also offer high gain, high input impedance, and low output impedance.

Two stage CMOS Op AMP, Videos of what advantage in design of two stage Op AMP.