TMP103EYFFT

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Temperature sensors are essential in electronic circuits, no matter in analog or digital output. As one of the widely used temperature sensors, TMP103EYFFT is widely used in various application fields due to its features of power dissipation, low cost, and wide temperature range, and the working principle will be described in this paper.

TMP103EYFFT is a kind of integrated temperature sensor which combined electronic thermal switch and temperature-sensitive resistor and thus can switch operation mode between digital mode and analog mode. This sensor contains an analog-to-digital converter inside the package, and therefore no external adc is needed which will effectively reduce the cost of the module. Besides, as an analog output sensor, it features high precision and wide temperature range with -40°C to 125°C.

The TMP103EYFFT can be applied in various fields since it acts as a temperature alarm, allowing setting of high- and low-temperature detection points. For example, it can be used in applications such as devices that need to detect temperature variation, like cooling fans or temperature controlling devices. It can also be used in temperature monitoring of equipment used in medical, military, or aerospace applications.

In work principle of TMP103EYFFT, it utilizes the temperature-sensitive resistor and electronic non-contact thermal switch. Firstly, after the power supply is connected, the voltage can be adjusted to set the specific temperature detection point. Secondly, once the temperature reaches the setting temperature, the temperature-sensitive resistor will activate the thermal switch to output low level voltage. Finally, the low level voltage will be detected by incremental comparator, which makes the temperature switch turn on and then the output signal will be generated.

In summary, TMP103EYFFT is a widely used temperature sensor in various application fields due to its features of power dissipation, low cost and wide temperature range. And it works by utilizing temperature-sensitive resistor and electronic non-contact thermal switch, making it very accurate and reliable. By setting specific temperature detection point, it can be used in various industries such as medical, military and aerospace.

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