MAX976EUA

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The MAX976EUA is a low-power, single-supply, rail-to-rail comparator with built-in hysteresis. It can be used in a variety of linear applications, such as for level detection, window comparators, or for pulse width modulation of a constant current source. This device can operate with a supply voltage as low as 1.8V and sources/sinks up to 15mA. The device features a typical propagation delay of 1.2μs, fast 3.2ns response time, and an adjustable hysteresis of 0.1% to 8% of VS. The MAX976EUA is available in a tiny, SOT23-5 package.

The MAX976EUA can be used in a variety of linear applications. As a level detector, the device can detect whether a voltage is above or below a given threshold. When used in this manner, the hysteresis can be adjusted via an external resistor to avoid chattering. Using the device as a window comparator, the hysteresis is configured externally to ensure the comparator remains stable during input transitions. The device can also be used to pulse width modulation of a constant current source. In this application, the MAX976EUA will enable/disable the source depending on the input voltage, allowing the current source to remain stable.

The MAX976EUA is designed for a single supply operation. It takes two input pins, one for the voltage to be compared and one for the reference voltage. The output from the device is in the form of an active low open-drain output. This output can drive a single TTL/CMOS logic input or other loads. An external resistor can be used to adjust the hysteresis of the device. When the reference voltage is less than the input voltage, the output is low; otherwise, it is high. The MAX976EUA features a typical propagation delay of 1.2μs, fast 3.2ns response time, and an adjustable hysteresis of 0.1% to 8% of VS.

In summary, the MAX976EUA is a low-power, single-supply, rail-to-rail comparator with built-in hysteresis. It is designed for a single supply operation, and is available in a tiny, SOT23-5 package. It can be used in a variety of linear applications, such as for level detection, window comparators, or for pulse width modulation of a constant current source. The device features a typical propagation delay of 1.2μs, fast 3.2ns response time, and an adjustable hysteresis of 0.1% to 8% of VS.

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