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Lower voltage LM386?
Lower voltage LM386?
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Old 6th September 2006, 09:19 AM   #1
DonFlamenco is offline DonFlamenco  United States
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Join Date: Sep 2006
Default Lower voltage LM386?

Hi, I have a 5V battery powered LM386 circuit that I would really like to run at 2.5-3V. Regrettably, the LM386 has a minimum supply voltage of 4V. Does anyone know of a chip that is approximately feature compatable with the LM386 but can operate with a lower supply voltage? The features I'm currently enjoying from the LM386 are single supply rail, fixed 20x gain, and 1/2 input voltage bias.


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Old 6th September 2006, 10:56 PM   #2
SpittinLLama is offline SpittinLLama  United States
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Join Date: Apr 2005
Location: In the Wild, Wild West
Depends on what you need from the LM386. National makes a ton of 5V parts called their Boomer line. Search their site and you will probably find something. They operate all the way down to something like 1.6V, depending on the part.

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