The MAX999EUK+T is manufactured by Analog Devices and is an ultra-high-speed single, dual, or quad analog comparator with beyond-the-rails capabilities. It runs on either +3V or +5V, and is designed to perform accurately and quickly for a variety of signal comparisons. It features exceptional linearity, ultra-low power consumption, and excellent accuracy over temperature, making it an ideal choice for critical monitoring in a variety of applications, such as battery-powered measurements, motor speed control, communication and network synchronization, and data processing. It is also employed in low-voltage circuits, and is suitable for either a single +5V supply or split +3V and +5V supplies.