TCN75-3.3MUA

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Temperature sensors are an essential component of any effective system. In industrial and scientific areas, they are often used to monitor and control device temperatures for safety, accuracy, and reliability. Among various types of temperature sensors, analog or digital output temperature sensors, such as the TCN75-3.3MUA, are a popular choice.

The TCN75-3.3MUA is a temperature sensor with 3.3-V analog output. This sensor employs a silicon bandgap temperature-to-voltage converter, which can accurately measure temperatures with a 3-V output and over a wide temperature range of -40 to 125°C (-40 to 257°F). It also provides a very high accuracy of ±0.5°C (32.9°F).

The TCN75-3.3MUA is available in 2-pin SOT-23-4 and 3-pin SOT-23-6 packages and is therefore optimized for space-constrained applications. It also features a low quiescent current for low power consumption, making it great for portable battery-powered applications.

The TCN75-3.3MUA is well suited for mechanical and medical devices, automotive, industrial monitoring, consumer electronics, scientific instruments, and environmental monitoring. It’s also highly reliable with a 15-year lifetime guarantee.

The working principle of the TCN75-3.3MUA is based on semiconductor-bandgap properties, as opposed to more traditional thermistor-based solutions. A bandgap voltage reference circuit is used to generate a known, stable reference voltage in relation to temperature. This reference voltage is then compared to the signal voltage generated by a semiconductor junction that varies directly with temperature across the range, and the output voltage signal is proportional to that difference. To accurately measure temperature, the sensor requires an external power supply that needs to be at least 1.4 to 1.6 V higher than the expected output voltage.

The wide temperature range, accuracy, and reliability the TCN75-3.3MUA offers make it one of the most popular temperature sensors for analog or digital output applications. Its features and specifications make it well suited for a wide range of environments, and its low power consumption makes it an ideal choice for mobile applications.

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