This document describes the features and characteristics of LMV331, LMV393, and LMV339, which are low voltage comparators. These features include supply voltage range, low current consumption, input common mode range, wide temperature range, low output saturation voltage, propagation delay, open drain output, and ESD tolerance. These devices are suitable for mobile phones, notebooks and PDAs, battery supplied electronics, general-purpose portable devices, and general-purpose low voltage applications.