[sdiy] SSM2164 stability

[David G. Dixon]

> Since the SSM2164 is the topic of the week... What's the story behind
> the 500R / 560pF or similar at the input of the SSM2164? The datasheet
> states "for stable operation", and it looks like a passive 10kHz
> low-pass (with a zero that flattens out the attenuation after 500kHz),
> but why? Have you encountered any situation where it actually had a
> noticeable impact on the output, or in which it totally screwed the
> circuit when left out?

I just blindly put them on.  Perhaps it was a disgruntled Analog Devices
employee having a nasty little joke!