LM361M

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Linear - Comparators

The LM361M is a high-performance monolithic voltage comparator designed with a very low input-bias current, a wide range of supply voltages and an improved offset voltage. Its single-ended input and dual output architecture provide a wide common-mode voltage range and excellent output-voltage swing for improved noise margin, quick response time and low power consumption. The LM361M is exceptionally well-suited for many power-sensitive applications, especially in handheld systems.

LM361M Application Field

The LM361M is a general-purpose operational amplifier with a wide variety of applications. Comparator applications include level detection, data comparator, schmitt trigger and analog-to-digital conversion. Motor control applications include current sensing, proportional control, speed sensing and current limitation. High speed applications include time delay, pulse shaping, bandwidth limitation and limited frequency-compatible filters. One of the uses of the LM361M is in level detectors, which can be used to sense the presence of voltage in an electrical system. A second use is in data comparators, where a data signal is compared with a known data pattern.

LM361M Working Principle

The LM361M working principle is based on differential amplifier circuit. A differential amplifier is a two or more transistors or a single transistor which amplifies a small change in voltage potential to produce an output voltage which reflects the difference in voltage potential. This type of amplifier is used to amplify weak signals or used to compare two input voltages. The LM361M is connected to a power supply and the input signals are applied to the input terminals. A differential amplifier circuit is used to compare the voltage of the two inputs and determine whether the voltage of one input is more or less than the other. If the voltage of the first input is lower than the second input, an output is triggered. This output can then be used to control a transistor, FET, or other device to turn on or off some function or operation.

Conclusion

The LM361M is a high-performance monolithic voltage comparator with low input-bias current, multiple supply voltage range and excellent offset voltage. It provides excellent output-voltage swing and is especially suitable for power-sensitive applications. LM361M＇s application fields mainly include level detection, data comparator, schmitt trigger, analog-to-digital conversion, motor control and high speed applications. Its working principle is based on differential amplifier, which compares two input voltages and shows the difference in an output voltage. All in all, the LM361M is a versatile and effective device when used in the right place.

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