Audio Project Amplifier Speaker Loudspeaker Kit
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probably a stupid questions about opamps - Click HERE for Original Thread
soundNERD
can an opamp be used as a voltage amp? I want to boost 12V to about 40V.

Basically, a car amp power supply.

thx,
mike
digi01
You may need DC-DC chip of solid state.
dkemppai
Hi,

An opamp is designed to output voltages within it's supply limits. Unless you used a transformer to step that voltage up, you won't get any higher voltages out of the amp.

As digi01 has stated, you may want to look into a DC-DC converter.

-Dan

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