TMP125AIDBVTG4

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Temperature Sensors - Analog and Digital Output

The TMP125AIDBVTG4 is a temperature sensor that combines both analog and digital output capability. This enables its usage to be used in a variety of applications in various industries. It features a wide temperature measurement range of -40°C to 125°C and measurement accuracy up to ±0.4°C.

Applications

The temperature sensor’s dual-output feature and wide temperature range makes it beneficial for a variety of applications. It can be used in automotive, industrial, medical, and consumer products. In automotive applications, it can be used to detect and control the operating temperature of engines, radiators, interior cabin temperatures, HVAC systems, etc. This sensor is also beneficial in industrial process control, where temperatures must be accurately monitored and regulated. For medical applications, it can be used for identifying and controlling the device temperatures as well as monitoring the human body temperature. Additionally, this dual-output temperature sensor can be used in consumer electronics for controlling device temperatures and providing temperature feedback.

Working Principle

The TMP125AIDBVTG4 utilizes an internal thermistor bridge circuit that is composed of thermistors with different temperature coefficients. The circuit measures the ratio of the two thermistor’s resistance as the temperature changes, accurately producing measurements over the entire temperature range. The temperature data is generated, filtered, and processed by an on-chip digital signaling processor. This processor converts the resistance measurements into digital outputs, which are then sent to output pins on the sensor. The temperature data is also converted into an analog signal with a voltage output that is proportional to temperature. This dual-output signal capability allows the device to be used in a variety of applications where digital or analog temperature measurements are needed.

Conclusion

The TMP125AIDBVTG4 temperature sensor combines both analog and digital output capability which makes it applicable to a wide variety of applications in several industries. The sensor accurately measures temperatures ranging from -40°C to 125°C and the internal thermistor bridge circuit enables accurate and stable measurements. When combined with its dual-output capability, this temperature sensor can be used for virtually any application that requires temperatures to be monitored and controlled.

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