LM111H/NOPB

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LM111H/NOPB Application Field and Working Principle

The LM111H/NOPB is a type of Linear-Comparator, which is a type of electronic device used to compare two input voltages and gives output in digital form. It is made up of two input terminals called positive and negative. When the positive input voltage is greater than the negative input voltage, the comparator will turn on the output terminal and indicate that the positive input is higher than the negative input. Similarly, when the negative input becomes higher than the positive input, the comparator will turn off the output and indicate that the negative input is higher than the positive input. It is widely used in applications like battery charge monitoring, temperature control and other low power switching applications.

Overview of LM111H/NOPB

The LM111H/NOPB is a single general-purpose comparator that operates from a single +4.2 V to +36 V supply. It is available in four different packages, namely 8-Pin Plastic DIP, 8-Lead Plastic Miniature SOIC, 8-Pin CERDIP and 8-Lead Ceramic Chip Carrier packages. The typical working supply current is only 5 microamperes, but it can provide an output current more than 30 mA. The Open Collector output type can either sink or source the current and can be used to interface with logic circuits. It features very low offset voltage of 10 mV and supply voltage rejection ratio of 70 dB. Furthermore, it has a wide common-mode voltage range from -13 V to +30 V, which makes it suitable for different types of applications.

Features of the LM111H/NOPB

The LM111H/NOPB has following features:

• It has excellent common-mode rejection ratio of 70 dB.
• It can operate with very low supply current of 5 microamperes.
• It features a wide common-mode voltage range from -13 V to +30 V.
• It is available in four different packages including 8-Pin Plastic DIP, 8-Lead Plastic Miniature SOIC, 8-Pin CERDIP and 8-Lead Ceramic Chip Carrier packages.
• It can supply an output current more than 30 mA.
• LM111H/NOPB provides a high input impedance that helps to reduce the loading on the sensing elements.

Applications of LM111H/NOPB

The LM111H/NOPB is widely used in applications like battery charge monitoring, temperature control and other low power switching applications. It can be used to implement low power voltage comparators, peak detectors, op amp circuits and active diode circuits. Also, it can be used to generate a fast response time to detect overcurrent conditions, as well as in amplifiers and band-pass filters.

Working Principle of LM111H/NOPB

The working principle of LM111H/NOPB comparator is based on hysteresis. The hysteresis loop allows the output of the comparator to settle within a given range even when the inputs are changing rapidly. In a hysteresis loop, the high and low thresholds set the parameters for when the output changes. When the voltage of the positive input is greater than the voltage of the negative input, the comparator will output a logic high. Similarly,when the negative input voltage is higher than the positive input voltage, the comparator will output a logic low. The level of the output is determined by the high and low threshold of the hysteresis loop.

Conclusion

The LM111H/NOPB is a type of Linear-Comparator that can be used to compare two input voltages and gives output in digital form. It is made up of two input terminals called positive and negative and can be used to interface with logic circuits. It features very low offset voltage of 10 mV and Open Collector output type can either sink or source the current. The LM111H/NOPB is widely used in applications like battery charge monitoring, temperature control and other low power switching applications. It works based on the hysteresis loop which allows it to settle the output within a given range even when the inputs are changing rapidly.

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