MAX990ESA+

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The MAX990ESA+ is an analog comparator of linear-comparator type which is designed for general-purpose applications. It is a single supply, 14-pin ultra-small micro-power comparator. It has mobile and stationary applications, including mobile phones, PDAs, portablexdata, automotive systems and notebooks.The MAX990ESA+ includes state-of-the-art offset comparator with a switchable input current for power efficient design. The offset feature improves both the output logic levels and reduction of power consumption. It has an additional Input voltage of up to 4.5V, making it well suited for use in micro-power systems. The comparator works by comparing two analog inputs and providing an output based on which input is larger. It accomplishes this by amplifying the difference of the two signals and driving it against two thresholds. If the input falls between two thresholds, the output is a logic Low, otherwise, it is a logic High. The two thresholds are usually denoted as the upper and lower threshold.}The MAX990ESA+ can be used in a variety of applications such as battery powered systems, analog-to-digital converters, servo controls, and motor control systems. In addition, it can be used for voltage monitoring, temperature compensating, and contactless switching. The MAX990ESA+ features open-drain outputs, power-saving shutdown mode, and adjustable current sources.The MAX990ESA+ operates over a temperature range of -40C to 125C, which makes it suitable for a variety of aerospace and automotive applications. Its low cost, small form factor, and high-speed operation makes it suitable for usage in embedded systems.The MAX990ESA+ includes an open-drain output, which allows it to drive an active pull-up transistor. This makes it useful for driving other signal source lines, such as LED drivers and stepper motors. It also supports various gate signals, such as rising, falling and level sensitive signal variation. The MAX990ESA+ also has a power-saving shutdown mode which enables it to operate at a lower power than standard comparators.The MAX990ESA+ is a powerful and versatile tool for general purpose applications. It is user friendly, cost efficient and performs well in high-temperature environments. In addition, the MAX990ESA+ can be embedded in various electronic devices allowing designers the flexibility to choose a highly versatile and suitable device for their applications.

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