> I started looking at other ways to accomplish the above meter
> drive. I looked at commercial DAC chips, but all that I have found
> need split supplies or 10 volts or more (I am driving the PIC
> with 5 volts - no other supply is available). Is there a DAC
> chip on the market which operates on single 5-volt supply?

Analog Devices makes the AD557JN, a low cost single 5 V supply 8-bit DAC
in a 16 pin DIP case.

Luiz Marques