[sdiy] D to A convertor for wavetable osc

[Adam Schabtach]

> I've had great luck with the Cirrus/Crystal CS43XX series of 
> I2S stereo DACs.

Have you tried using these to generate DC control voltages? The spec sheet
implies that they work down to 0Hz, but I have it in my head that
sigmal-delta DACs don't do DC.

Thanks--
--Adam