OPA541 gain question???

5150ed · 25th July 2006, 03:04 PM

I have a pair of OPA541AM TO-3 version and have seen some thread that the chip do not work well with gain more than 10X.

Is that true???

I look in it datasheet and never seem the mention about that.

In the datasheet there is only few info about gain which I still do not understand it.

Can anybody explain?

pwan · 25th July 2006, 03:11 PM

The gain x22 can be used for Subwoofer where the high is not required.

For full range, the gain x 10 is the max.

sss · 25th July 2006, 03:35 PM

open loop gain of that amp is pretty low . so in closed loop ,with gain more then ~ 10 u wont get upto 20khz freq response.

25th July 2006, 03:35 PM	#3
sss diyAudio Member Join Date: Jul 2003 Location: Israel , haifa	open loop gain of that amp is pretty low . so in closed loop ,with gain more then ~ 10 u wont get upto 20khz freq response. __________________ if you are not living on the edge you are taking too much space

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25th July 2006, 03:11 PM	#2
pwan diyAudio Member Join Date: Apr 2006 Location: Earth	The gain x22 can be used for Subwoofer where the high is not required. For full range, the gain x 10 is the max.

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