A versatile micropower voltage reference that provides resistor programmable output from 0.4V to 18V is described.
Voltage reference integrated circuits are widely used to establish accurate and stable voltages in analog circuits. While calibration-grade references are based on buried Zener diode technology (or even more exotic methods), the ubiquitous “band-gap” technique is the workhorse of the general purpose reference offerings. Band-gap references have historically offered fixed 1.2V to 10V outputs, along with a few adjustable models. The highly miniaturized ...