| alexw88 |
| Does anyone know what the output impedance of the LM3886 is? |
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| peranders |
The datasheet doesn't tell this but it is hinted that it is 0.45 ohms plus the output transistor, so it will never go under 0.45 ohms in open-loop but when you apply feedback you will get this:
100 Hz 0.15 mohms
1 kHz 1.5 mohms
10 kHz 15 milliohms
Notice this is in theory but I think we can conclude this with saying : pretty low and nothing to worry about.
Notice also that in many cases you will need some sort of output filter which add at least a couple of millihohms. My filter has 5 mohms. |
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| Leolabs |
| Need not worry much about the output impedance of LM3886,i havent heard any complaint about this:) .Think that it is able to drive a not quite difficult load. |
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