LowVolt Battery Opamp Very low power suitable for Headphones

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lineup

lineup

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Joined 2005
#1
At +/-2 to +/-3 Volt it takes less than 1mA from supply at idle.
It is rail to rail output!
Feeding 32 Ohm it has low distortion THD 0.00043%.

Lowvolt Battery Opamp_05.jpg
 
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#2
I have updated schematic in first post.
This amplifier is good.
It draws very little current from 4x1.5V batteries.
You should actually build this 🙂

The sound should be very clean with low distortion.
 
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