MAX31820MCR+T Sensors, Transducers

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Temperature sensors are used for controlling the temperature of environments ranging from commercial and industrial workplaces, to homes, laboratories, and hospitals. There are two types of temperature sensors, analog and digital output temperature sensors, which work differently depending on the application. In this article, we will focus on the MAX31820MCR+T temperature sensor, and its potential application fields and working principle.

The MAX31820MCR+T is a digital output temperature sensor with a high level of accuracy and precision. It is designed to measure temperatures between -50 °C (-58 °F) and +400 °C (+752 °F) on surfaces. This sensor is also equipped with a special Selectable Resolution (SEL RES) feature that offers three selectable measurement resolutions, allowing users to choose between 14bit, 12bit, and 10bit resolution. This feature increases the accuracy of the sensor and provides precise temperature readings.

One unique feature of this sensor is its two-wire interface, which enables it to be connected directly to a microcontroller. This feature eliminates the need for additional hardware or circuitry when configuring the sensor. The MAX31820MCR+T is also equipped with a built-in EEPROM, which stores the latest configuration settings and calibration values. The sensor is powered by a 3.3V supply voltage, making it one of the most efficient temperature sensors available.

This temperature sensor can be used in a variety of applications, including cooling systems, environmental chambers, industrial process controls, HVAC systems, automotive and medical applications. Due to its wide temperature range and high accuracy, it is also suitable for use in harsh environments, such as high temperatures or extreme conditions of humidity. Furthermore, due to its small size and low power consumption, it can be incorporated into a wide range of devices, such as mobile phones, tablets, and other small electronic devices.

The MAX31820MCR+T works by measuring the resistance of the metal substrate of the device that it is connected to. It applies a small temperature-dependent voltage to the tested metal substrate, and then measures the resistance of the material using an internal analog-to-digital converter. The temperature of the substrate can then be computed with the following equation: resistance = (supply voltage)/(measured voltage - offset).

The MAX31820MCR+T is an efficient and accurate temperature sensor that offers a wide temperature range and high accuracy. It is suitable for applications requiring precise temperature measurements with minimal power consumption. It is also ideal for applications requiring a low cost, low power, and small size thermal sensor.

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