TL084CN replacement recommendation?

thom0911 · 24th August 2011, 04:06 PM

I was curious to see if anyone could recommend, or knows of a direct replacement for a TL084CN 14-DIP op amp? I was looking to replace the TL084CN in a microphone preamp and looking to get an updated, better sounding Op amp.

I have been looking at TLE2074, LME49740, and AD713. The feedback that I have received indicates that the TLE2074 is noisy and that the LME49740 would require modifying the preamp...

I have ben attempting to aquire a shcematic but the company keeps putting me off...

Any thoughts?

Thanks
Thom

thom0911 · 24th August 2011, 09:10 PM

I see I've gotten some veiws... Just no view Points..

Michael Bean · 24th August 2011, 11:05 PM

As I stated in the other thread, of the three options you gave, the AD713 is the best for drop-in replacement.

Mike

thom0911 · 25th August 2011, 02:05 AM

Hey Mike... Thanks again... I will test out the AD713 as recommended

Michael Bean · 25th August 2011, 03:23 AM

It will be an improvement over the TLO84, and should work well as a drop in replacement that won't require any circuit mods. I've used it in the past and it sounded fine. I no longer use it in my own creations however, there are more up to date chips with better specs.

Mike

Speedskater · 25th August 2011, 10:38 PM

On a similar note, Doug Self has a new article on J-FET input op-amps:

Op amps in small-signal audio design - Part 4: Selecting the right op amp (JFET-input types reviewed)

24th August 2011, 04:06 PM	#1
thom0911 diyAudio Member Join Date: Aug 2011 Location: Perkasie, PA	TL084CN replacement recommendation? I was curious to see if anyone could recommend, or knows of a direct replacement for a TL084CN 14-DIP op amp? I was looking to replace the TL084CN in a microphone preamp and looking to get an updated, better sounding Op amp. I have been looking at TLE2074, LME49740, and AD713. The feedback that I have received indicates that the TLE2074 is noisy and that the LME49740 would require modifying the preamp... I have ben attempting to aquire a shcematic but the company keeps putting me off... Any thoughts? Thanks Thom

25th August 2011, 10:38 PM	#6
Speedskater diyAudio Member Join Date: Sep 2002 Location: Lakewood, Ohio	On a similar note, Doug Self has a new article on J-FET input op-amps: Op amps in small-signal audio design - Part 4: Selecting the right op amp (JFET-input types reviewed) __________________ Kevin

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24th August 2011, 09:10 PM	#2
thom0911 diyAudio Member Join Date: Aug 2011 Location: Perkasie, PA	I see I've gotten some veiws... Just no view Points..

24th August 2011, 11:05 PM	#3
Michael Bean diyAudio Member Join Date: Sep 2004 Location: Minneapolis, Minnesota, USA	As I stated in the other thread, of the three options you gave, the AD713 is the best for drop-in replacement. Mike

25th August 2011, 02:05 AM	#4
thom0911 diyAudio Member Join Date: Aug 2011 Location: Perkasie, PA	Hey Mike... Thanks again... I will test out the AD713 as recommended

25th August 2011, 03:23 AM	#5
Michael Bean diyAudio Member Join Date: Sep 2004 Location: Minneapolis, Minnesota, USA	It will be an improvement over the TLO84, and should work well as a drop in replacement that won't require any circuit mods. I've used it in the past and it sounded fine. I no longer use it in my own creations however, there are more up to date chips with better specs. Mike

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