LM60BIM3X/NOPB

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Temperature sensors are an important part of any engineering system, providing the necessary data to control various aspects of a system\'s performance. The LM60BIM3X/NOPB is a digital output temperature sensor that is useful for a variety of applications. This guide will provide an overview of the temperature sensor\'s application field and its working principle.

Application Field

The LM60BIM3X/NOPB temperature sensor is designed for a variety of applications ranging from industrial and automotive to consumer electronics. Automotive applications include engine, transmission, and exhaust temperature sensing, while industrial applications include temperature monitoring of production machines and environmental control. This temperature sensor is also ideal for consumer products such as microwave ovens, coffee makers, and room air conditioners.

The sensor\'s linear output makes it well-suited for measuring temperatures from -55°C to 165°C ( -67°F to 329°F ), requiring no calibration at any temperature within those ranges.

It features a wide supply voltage range from 2.7V to 5.5V and a low voltage dropout of 150mV. This makes it more energy-efficient than other temperature sensors, leading to lower power consumption and reducing system costs. Additionally, the sensor has an open-drain output that can directly drive TTL/CMOS logic circuitry and ensure an accurate reading. It has a small size of just 4mm x 4mm and is also easy to use with just one external resistor.

Working Principle

The LM60BIM3X/NOPB temperature sensor is based on the principle of negative temperature coefficient (NTC), where the resistance of the sensor decreases as the temperature increases. The sensor consists of a polysilicon resistor, which is connected to a thermally sensitive MOS transistor. As the ambient temperature rises, the transistor will turn on more, changing the resistance of the polysilicon resistor in a predictable fashion.

The resistance of the polysilicon resistor is then converted into a digital output voltage that can be read by a microcontroller or other circuit. The digital output voltage may vary considerably depending on the temperature, but it is relatively easy to interpret because of the linear characteristic of the output voltage. Additionally, the output voltage is highly accurate, depending on the quality of the sensor.

The sensor can be used in a variety of applications, from simple thermistors to more complex temperature sensing systems. The digital output of the sensor is easy to read and can be used to control various functions, such as turning a fan on or off depending on the temperature. The sensor can also be used in combination with other sensing elements, such as thermocouples or thermistors, to measure different temperatures and provide additional information about a system.

Conclusion

The LM60BIM3X/NOPB temperature sensor is a digital output temperature sensor that is suitable for a variety of applications. It features a linear output that makes it easy to read, a wide supply voltage range, and a low voltage dropout. The sensor is based on the principle of negative temperature coefficient, where the resistance of the sensor decreases as the temperature increases. This makes it ideal for measuring temperatures from -55°C to 165°C ( -67°F to 329°F ) and controlling different functions depending on the temperature.

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