The TMP35G is a precision centigrade temperature sensor manufactured by Analog Devices Inc., designed to provide a direct Celsius (Centigrade) temperature reading without requiring any external calibration. This sensor offers a linear temperature scale with a specified accuracy of ±1°C at +25°C and ±2°C over the −40°C to +100°C temperature range. Its versatility and ease of use make it an ideal choice for a wide array of temperature sensing applications.

Key Features

• Linear Temperature Output: The TMP35G provides a linear output proportional to the Celsius temperature, with a scale factor of 10 mV/°C, allowing for easy integration with reading circuits and microcontrollers.
• Low Operating Voltage: It operates at a supply voltage from 2.7 V to 5.5 V, making it suitable for battery-powered devices and low voltage applications.
• Low Current Consumption: The device has a quiescent current of less than 50 µA, which minimizes self-heating and makes it ideal for power-sensitive applications.
• Wide Temperature Range: The TMP35G is capable of measuring temperatures from −40°C to +125°C, providing reliable performance for a broad range of environments.
• No External Calibration: The sensor is factory-calibrated and does not require additional components or calibration, simplifying design and reducing system costs.
• Stable with Capacitive Loads: The output of the TMP35G is stable with capacitive loads, ensuring reliable operation even with long cable runs.

Applications

The TMP35G is utilized in various applications that require simple, precise temperature monitoring. It is commonly found in environmental controls, HVAC systems, medical and scientific instrumentation, battery management systems, and other electronics that need to monitor thermal conditions accurately.

Conclusion

Analog Devices Inc.'s TMP35G temperature sensor stands out for its ease of use, accuracy, and low power consumption. It is a robust solution for developers looking to integrate temperature sensing capabilities into their projects without the complexity of additional calibration or advanced circuitry. The TMP35G's ability to deliver precise temperature readings across a wide range makes it a versatile and reliable component for a multitude of temperature monitoring applications.