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What is the rail power in opamp design?

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nemolee

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What is rail power?

What is rail power? If you know, can you expain more detail? I even see this word in the op-amp data sheet. But I don't know what mean it is. Thanks.
 

Re: What is rail power?

I think it is one of the lines coming from the power supply.
When we say that the output of the op amp is "rail-to-rail" it means that the output can reach the +V and -V voltages (the "rails") supplying the operational amplifier.
 

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