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On 10/25/2013 9:50 PM, Ellis Burman wrote:
> True, a mic pre-amp is a much more demanding application for an op-amp than
> a line-level buffer.  Still, I'd be more concerned with the slew rate
> limits of the 5532.  In my mind, the whole idea of DSD is to capture
> transient information (at least that's what I hear with DSD or higher
> sample rates, or direct-to-disc recording for that matter.)  I haven't done
> the math though - maybe 9V/uS is fast enough, even at 5.6 MHz sample rate.

It is according to Jung's conservative criterion, as long as signal 
level is <= 9V peak. In practice, the fast transients, with material 
 >20kHz, which might possibly induce slew problwms, are usually smaller 
than full-scale, so they won't exceed the criterion.

Peace,
Paul