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Chip Amps Amplifiers based on integrated circuits

Drive unit for parallel LM3886
Drive unit for parallel LM3886
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Old 29th July 2012, 11:55 AM   #1
weiyan is offline weiyan  Hong Kong
diyAudio Member
Join Date: Jul 2012
Location: Fanling
Question Drive unit for parallel LM3886

There is a great thread discussing parallel lm3886 which shown that THD is lower.

For two lm3886 in parallel, the input impedance of the chip is lower. Does any consideration need for the driving circuit? In other words, the stage before LM3886 need to have lower output impedance?

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Old 29th July 2012, 01:04 PM   #2
djoffe is offline djoffe  United States
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Join Date: Oct 2008
Typically, zin of the LM3886 (at least in non-inverting configurations) is so much higher than anything that drives it, that no special buffering is necessary.

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