NCS2252SN2T1G

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Linear - Comparators

A linear-comparator is an electronic circuit used to compare two analog voltages and output either a binary value or an analog value depending on which is greater. It is commonly used in system control and communication applications such as cellular phones, modems, and other industrial, medical, and consumer products. The NCS2252SN2T1G is a popular example of a linear-comparator made by STMicroelectronics.

NCS2252SN2T1G Application Field

The NCS2252SN2T1G is a CMOS linear-comparator used for power-supply control, motor control, and pulse-width modulation. It can be used for a variety of analog signal-processing tasks including amplifying, voltage and current sensing, level detection, and signal comparison. With its low power-supply usage, small package, and high performance, it is an ideal choice for power-management solutions.

NCS2252SN2T1G Working Principle

The NCS2252SN2T1G consists of two input terminals, an output terminal and two control terminals. The positive input is applied to the positive terminal, while the negative input is applied to the negative terminal. The output terminal is the output of the comparator. Depending upon the relative magnitude of the input signals, the output will be either a high logic 0 or a low logic 1 voltage. There are two control terminals; one controls the hysteresis of the circuit (as a digital signal of 0 or 1) and the other controls the output voltage range (as an analogue signal).

The purpose of the hysteresis control is to provide immunity to noise, so that fluctuations in the input signal are less likely to cause false switching of the output. Hysteresis is typically in the range of 0.1 to 3V. The output range control is used to adjust the output voltage level according to the input signal level. Output range can be used to limit the output voltage to a safe level when the input signal is large.}

Conclusion

The NCS2252SN2T1G is a popular CMOS linear-comparator with a wide range of applications. Its two control terminals enable it to be adapted to different requirements, while its low power usage, small size, and robustness make it ideal for applications in power management and signal processing.

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