[sdiy] foolish DC level shift question

Richie Burnett rburnett at richieburnett.co.uk
Fri Jul 17 15:24:56 CEST 2015

> For this use case, you certainly don't need an op amp (and couldn't use 
> one),
> but 100V p-p signal doesn't necessarily mean you can't use an op-amp,
> depending on the application. It just means you'd need to use a more 
> exotic
> one like one of the many +/- 50V op amps out there, or the LTC3060 (+/- 
> 70V).
> At $7 per piece you wouldn't want to use them unncecessarily, but if you 
> need
> them, it's cool that they exist.

Very true.  We use a couple of these in a high-voltage amplifier at work...



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