[sdiy] [Slightly OT] Op-amp headroom in synth & audio applications

Dave Brown davebr at earthlink.net
Tue Mar 10 22:16:08 CET 2015


MOTM is +/-5V, for a 10V pk-pk signal.  And yes, with a lot of resonance and
multiple inputs the outputs can get quite hot.

Dave

> -----Original Message-----
> From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
> bounces at dropmix.xs4all.nl] On Behalf Of Justin Owen
> Sent: Tuesday, March 10, 2015 11:21 AM
> To: SDIY List
> Subject: [sdiy] [Slightly OT] Op-amp headroom in synth & audio
applications
> 
> Hope nobody minds these couple of slightly OT posts - just know I'll get a
> good answer here!
> 
> I've been wondering about power supplies vs. output signals on different
> formats and it seems there's a lot of 'spare' headroom...
> 
> MOTM: +/-15V supply  w/- audio output of +/-10V (20V PP) i.e. output is
67%
> of supply




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