DS1631Z+T&R

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Temperature sensors are devices that measure the temperature of an environment or specific object. There are two types of temperature sensor: analog and digital. The DS1631Z+T&R is a temperature sensor that combines both analog and digital output features. The application field and working principle of the DS1631Z+T&R temperature sensors will be discussed in this article.

Application Field

The DS1631Z+T&R is designed to be used in a variety of applications. It is suitable for industrial temperature measurement, HVAC, automotive, and consumer electronic devices. The device has a temperature measuring range of -55C to +125C, which makes it suitable for various temperature measurement tasks. It also has an accuracy of ±0.25C in the 0C to 70C temperature range.

The device is also ideal for embedded applications. It has a power consumption of only 2mA in active mode and 500uA in sleep mode, making it an excellent choice for low power applications. Furthermore, it is also capable of providing a calibrated digital temperature output which can be useful for applications that require precise temperature measurements.

Working Principle

The working principle of the DS1631Z+T&R temperature sensor is mainly composed of two main parts – the temperature sensing circuit and the temperature-to-voltage conversion circuit. The temperature sensing circuit comprised of the thermistor and two resistors. This circuit measures the ambient temperature, which will be then converted to an analog voltage output. This analog voltage output is proportional to the temperature.

The temperature-to-voltage conversion circuit is made up of an operational amplifier, a voltage reference, and three resistors. The amplifier circuit marked with IREF will convert the analog voltage output developed by the temperature-sensing circuit into a digital output. This digital output is a 9-bit digital signal which is saved in a register within the device. The digital output is also converted to a temperature value in Celsius or Fahrenheit.

Conclusion

The DS1631Z+T&R is a temperature sensor that combines both analog and digital output features. It has a temperature measuring range of -55C to +125C and an accuracy of ±0.25C in the 0C to 70C temperature range. It is suitable for a variety of applications, including industrial temperature measurement, HVAC, automotive, and consumer electronic devices. Furthermore, it is capable of providing a calibrated digital temperature output, making it an excellent choice for low power applications. The working principle of the DS1631Z+T&R includes a temperature-sensing circuit and a temperature-to-voltage conversion circuit.

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