Thanks for the tip Bill! These chips look pretty cool. Pity they don't
come in a surface mount version, but I guess that's because they are
Hybrids and need the physical space of a DIP package. Also, the price
isn't that bad when you factor in that they include the optos and power
isolation as well. Time for me to order some!

Just out of curiousity, which did you use for DMX?

Thanks again,

Josh
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William Bross wrote:
> If you can use 422/485 differential I/O, you could look at the max1480 /
> 90 stuff.  What you would get is the isolation, speed, use of a simple
> single dc supply and it would be fairly small -- 4 28 pin DIP packages
> and 1 8 pin DIP.  But these things are about $10 a piece in qty.  I have
> used a couple hundred of these in DMX equipment over the past 4 years
> without a single failure.

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