The Opamp thread

[ClieOS]

If it is +/-9 V and more, you might even want to try out MUSES01. If there is one opamp that I like a bit more than MUSES02, it will be the MUSES01.

 

[razzz42]

   
I currently have a pair of LME49990 (DIP8 adapter) in my Little Dot 1+. Can I assume that I could also roll the 8820 and MUSES02? And if so, do you think that either or both of these would be an improvement over the LME49990?

 
 

   
Well, LME49990 runs up to +/-18V while both 8820 and MUSES02 are only up to +/-16V. The only way to be sure is to measure the +V / -V on the LD1+'s DIP socket to make sure it is not over +/-16V. If the voltage is compatible, I'll suggest skipping the 8820 and go straight for the MUSES02. While 8820 is a good sounding opamp, I don't find it to be nearly as great as the 02.

Didn't answer answer the question about MUSES02 being an improvement over the 49990 or not...

 

[ClieOS]

   
Didn't answer answer the question about MUSES02 being an improvement over the 49990 or not...

 
That's because I never listen to a LME49990 before. I won't want to pretend I know how it'll compare.

 

[SpudHarris]

Well I'm a long time fan of the LME49990, it's a great OpAmp for sure. However, I am preferring the Muses 8820 at the moment so can only assume that the Muses02 would be even better. I'm tempted by the Muses02 but man they are expensive.

 

[SpudHarris]

I've given in to temptation and ordered a Muses 02. Last time I spent this much on an OpAmp it was OPA627SM :eek:

 

[razzz42]

   
That's because I never listen to a LME49990 before. I won't want to pretend I know how it'll compare.

Too bad you can't compare it with the MUSES...Anyone else have a real life experience with these opamps?

 

[zilch0md]

I've given in to temptation and ordered a Muses 02. Last time I spent this much on an OpAmp it was OPA627SM

 
Yay!  I've been following and had thought about encouraging you to take the plunge, but decided not to tempt you.  

 

[psygeist]

I've given in to temptation and ordered a Muses 02. Last time I spent this much on an OpAmp it was OPA627SM

So, how was OPA627SM ?

 

[SpudHarris]

  So, how was OPA627SM ?

 
Hmmmm..... Not worth the extra over the AM and BP versions for sure. Fingers crossed regarding the 02 over the already brilliant 8820. Are you a fan of the OPA627? It tends to get overlooked a lot nowadays but still a good OpAmp IMO.

 

[psygeist]

   
Hmmmm..... Not worth the extra over the AM and BP versions for sure. Fingers crossed regarding the 02 over the already brilliant 8820. Are you a fan of the OPA627? It tends to get overlooked a lot nowadays but still a good OpAmp IMO.

I am a newbie 

Which other opamps are popular in this thread ?
 
What's the difference between AU, AM, BP and SM ?

 

[ClieOS]

  I am a newbie 

Which other opamps are popular in this thread ?
 
What's the difference between AU, AM, BP and SM ?

 
These kind of information can be easy found on the datasheet, usually in the spec or packaging section. Anyway, AU = SOIC, AM/BM/SM = TO-99, AP/BP = DIP. Also, B is has a tighter spec than A, and U, P and M also stands for different temperature tolerance. SM has been discontinued and replaced by BM.
 
If you are interested in opamp in general, a good place to start is to learn to read datasheet. It can be quite useful in the long run.

 

[psygeist]

^^thanks for the heads up.
 
Where do one buy MUSES1 or 2 ? 

 

[gibosi]

  ^^thanks for the heads up.
 
Where do one buy MUSES1 or 2 ? 

 
There are a number of vendors on eBay who carry these chips. As I haven't ordered one, I am not in a position to recommend any one over the other.

 

[psygeist]

   
There are a number of vendors on eBay who carry these chips. As I haven't ordered one, I am not in a position to recommend any one over the other.

Wouldn't risk getting a fake.

 

[zilch0md]

I've given in to temptation and ordered a Muses 02. Last time I spent this much on an OpAmp it was OPA627SM

 
When do you expect it to arrive, Nigel?