What is the formula for the output voltage (Vout) of a comparator operational amplifier (AOP)? The comparator AOP does not have feedback, which is...

What is the formula for the output voltage (Vout) of a comparator operational amplifier (AOP)?

The comparator AOP does not have feedback, which is known as open loop due to the operational gain set by the manufacturer, that is, we cannot control the gain.
The gain (A) is a constant of 105.
The formula for Vout is Vout = A . ( V+ - V- )
V+ represents the non-inverting input and V- represents the inverting input.

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Aprimorando com Questões

07/10/2023

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AULA 05 - AOP - COMPARADOR(1)

Técnica Dietética • Universidade Estácio de SáUniversidade Estácio de Sá

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Ed

07.10.2023

A fórmula para a tensão de saída (Vout) de um amplificador operacional comparador (AOP) é Vout = A . ( V+ - V- ), onde A é a constante de ganho do AOP, que no caso é 105, V+ é a entrada não inversora e V- é a entrada inversora. É importante lembrar que o AOP comparador opera em malha aberta, ou seja, sem realimentação.

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Fabiano A Anhaia

09.10.2023

The formula you provided for the output voltage (Vout) of a comparator operational amplifier (AOP) is correct. In an open-loop configuration where the gain (A) is a constant set by the manufacturer, the output voltage (Vout) is indeed given by:

Vout = A * (V+ - V-)

Where:

V+ represents the voltage at the non-inverting input.
V- represents the voltage at the inverting input.

This formula calculates the output voltage based on the voltage difference between the non-inverting and inverting inputs, multiplied by the constant gain (A). This is the fundamental equation for the operation of a comparator AOP in an open-loop configuration.

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