TL062 replacement recommendation - diyAudio
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Old 1st August 2008, 08:57 PM   #1
elseif is offline elseif  United States
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Default TL062 replacement recommendation

Electric bass preamp.

TL062 is a dual, DIP-8 pkg.
Iq <= 500 uA/section approx
en <= 40 nV/rt-hz

I can make a SOIC-8 package fit if I have to.
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Old 1st August 2008, 11:58 PM   #2
TH.J.B is offline TH.J.B  Poland
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NE5532, TL082, TL072... use google, read datasheet and choose.

TH.J.B
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Old 2nd August 2008, 12:01 AM   #3
Tim__x is offline Tim__x  Canada
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Pretty well all drop-in substitutions will draw more current. If, as I suspect, this is an onboard preamp substitution will cost battery life.
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Old 2nd August 2008, 02:34 PM   #4
TH.J.B is offline TH.J.B  Poland
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For onboard preamp FET amplifier would be better choice than op-amp, but I guess it doesn't satisfy you at all. Low noise and low current, look at analog devices op-amps like OP297, but it has very low slew rate.

BTW: what was the question? Now I'm a bit confused... are you looking for substitusion?

Peace!

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Old 2nd August 2008, 03:21 PM   #5
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if this is a line powered unit, TL072,TL082, LF353, or any standard dual op amp will work. if it's battery powered, you will want to find a low power op amp as a replacement. TL062's are a very common item, and most suppliers should carry them (and they should be relatively cheap).
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Old 2nd August 2008, 03:52 PM   #6
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Default Re: TL062 replacement recommendation

Quote:
Originally posted by elseif
Electric bass preamp.

TL062 is a dual, DIP-8 pkg.
Iq <= 500 uA/section approx
en <= 40 nV/rt-hz

I can make a SOIC-8 package fit if I have to.
Power it offboard. Do not limit yourself to battery power.
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Old 4th August 2008, 01:47 PM   #7
Daveze is offline Daveze  Australia
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Default Re: Re: TL062 replacement recommendation

I usually thought of the TL072 as a reasonably low current device, I wouldn't think you'll lose that much battery life (or to a point that it becomes an excessive use of batteries).

Quote:
Originally posted by Brett
Power it offboard. Do not limit yourself to battery power.
Also an option...
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Old 4th August 2008, 02:52 PM   #8
sreten is offline sreten  United Kingdom
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Hi,

The TL072 is an allegedly identical but selected TL062.

/sreten.
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Old 4th August 2008, 04:31 PM   #9
elseif is offline elseif  United States
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Sorry for not including the reason for wanting the replacement suggestion. This is a 9V battery powered, bass guitar on-board preamp and it is noisy. It is a typical three-band fixed tuned unit with two stages.

http://www.bellsouthpwp.net/n/4/n4oc...480_preamp.jpg

Looking at the offerings from Linear Tech and Analog Devices, it appears that low noise and low current consumption do not go together too well.
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Old 4th August 2008, 04:45 PM   #10
Mooly is offline Mooly  United Kingdom
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Choice is limited due to supply. Do you mean noise as in hiss ? If you remove C2 does the noise go ? A TLO62 shouldn't be that noisy -- true it's not the ultimate but noisy -no.
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