The MAX9021AUK+T electronic part is an ultra-small, single-supply comparator manufactured by Analog Devices that features micropower, low offset, and low supply current. It is available in single, dual, and quad configurations. The MAX9021AUK+T offers a wide single-supply range of 1.8V to 15V, and operation is guaranteed at 5V. In addition, it offers low offset voltage of 200µV and low supply current of 0.9µA (typical). It also features a programmable hysteresis of 50mV to 800mV for noise immunity, open-drain output for direct connection to peripheral circuits, and an offset voltage-adjust pin for tailoring applications. The MAX9021AUK+T is ideal for applications such as automotive, computer, home appliances, and consumer electronics.