Harrison, take a look at Burr-Brown's XTR series, in particular the XTR110.

      http://www.burr-brown.com

   - Tom

At 06:41 AM 5/7/99 -0600, Harrison Cooper wrote:
>sums it up.  Someplace I thought I had read/heard/seen a single chip that
>would do this. Sure, do it with an opamp, but I want a KISS solution, single
>part with all the resistors, etc on the internal etch, and guaranteed to
>drive an industrial 4-20mA device.