LF357 J fet op amp substitute?

Original Burnedfingers · 20th October 2007, 01:38 PM

I can't seem to find any currect production LF357's. I don't know if I am not looking properly or not. Are there any substitutes for this
old chip?

linuxguru · 20th October 2007, 02:27 PM

If you don't need the high slew-rate (50V/usec) of the LF357, you can substitute it with the jelly-bean TL071, which has a slew rate of 13V/usec and a lower GBW product but is otherwise similar, for audio applications.

20th October 2007, 01:38 PM	#1
Original Burnedfingers diyAudio Member Join Date: Nov 2002	LF357 J fet op amp substitute? I can't seem to find any currect production LF357's. I don't know if I am not looking properly or not. Are there any substitutes for this old chip?

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20th October 2007, 02:27 PM	#2
linuxguru diyAudio Member Join Date: Sep 2007	If you don't need the high slew-rate (50V/usec) of the LF357, you can substitute it with the jelly-bean TL071, which has a slew rate of 13V/usec and a lower GBW product but is otherwise similar, for audio applications.

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