[sdiy] modern AD/DA chips?
Adam Schabtach
lists at studionebula.com
Thu May 7 22:55:57 CEST 2009
Coincidentally, a Digi-Key flyer in my mail today brought a new TI DAC to my
attention:
http://focus.ti.com/lit/ds/symlink/dac9881.pdf
SPI, 18 bits, integral linearity error of max +/-2 or 3 LSB, which I would
think would be accurate enough for most CV needs. Looks like either US$27 or
39 in single quantities, depending on which accuracy option you go for.
Unfortunately it's in a fiddly little leadless QFN package. I've seen a
mention or two on the web of people hand-soldering these, but I haven't
tried it myself.
--Adam
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