TMP709AQDBVRQ1 Sensors, Transducers

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The TMP709AQDBVRQ1 is a temperature sensor equipped with a thermostat mechanism. It is part of the category of solid state temperature sensors that utilize a thermistor to determine temperatures. The device employs a transducer to convert the difference in temperature to an electrical signal that can be read by computers, controllers, and other electronic devices.

Application

TMP709AQDBVRQ1 is designed particularly for applications that require temperature regulation and have limited power consumption. These include digital infrared thermometers, infant incubators, home appliances, portable medical devices, and industrial process control devices. Additionally, it can be used in aviation, medical, and automotive systems to provide reliable, real time temperature monitoring and adjustment.

Working Principle

TMP709AQDBVRQ1 utilizes a thermistor, which is a small, heat-sensing electronic device. A thermistor works by measuring the resistivity of the material when located in an area with a temperature difference. This property is called the Seebeck effect. When the temperature of the environment changes, the Seebeck effect induces a change in resistivity. This change is provided as an electrical signal from the thermistor.

The device also includes a built-in thermostat, which regulates the temperature. The thermostat is set to a pre-determined temperature, and the electrical signal generated by the thermistor is compared to the set value. If the temperature rises, the circuit response is to switch off the power supply to prevent the environment from overheating. Conversely, if the temperature drops below the set point, the power supply is turned on again to bring the temperature back to the set point.

Conclusion

The TMP709AQDBVRQ1 is an advanced temperature sensor that utilizes a thermistor and a thermostat to accurately regulate temperature within a wide temperature range. It is used in a variety of applications, including digital infrared thermometers, infant incubators, home appliances, portable medical devices, and industrial process control. The device\'s temperature regulation feature makes it a highly reliable choice for temperature sensitive applications.

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