Art, thank you for the suggestion about the DAC0800/DAC0808 parts available at Jameco. After posting the question, I checked Jameco. Those two parts would
Sorry, my mistake: I posted the info page for the DAC0800 (will still work) - the DAC0808 is also an R-2R ladder network, but has some improvements. It is
The problem with an R-2R resistor ladder network for D-A conversion is that, in 8 bits, the least significant bit is 1/256th of your full-range scale. In other