TL084CN replacement recommendation? - diyAudio
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Old 24th August 2011, 05:06 PM   #1
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Default 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
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Old 24th August 2011, 10:10 PM   #2
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I see I've gotten some veiws... Just no view Points..
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Old 25th August 2011, 12:05 AM   #3
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As I stated in the other thread, of the three options you gave, the AD713 is the best for drop-in replacement.

Mike
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Old 25th August 2011, 03:05 AM   #4
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Hey Mike... Thanks again... I will test out the AD713 as recommended
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Old 25th August 2011, 04:23 AM   #5
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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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Old 25th August 2011, 11:38 PM   #6
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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)
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