The LM335AH from Texas Instruments is a precision temperature sensor that operates on the principle of a direct proportional voltage change with temperature. The LM335AH is a highly reliable and accurate device that is widely used in a variety of applications where temperature monitoring and control are critical.

Key Features

• Calibrated Directly in Kelvin: The output voltage of the LM335AH is directly proportional to the temperature in Kelvin, which simplifies the interface to temperature control circuitry and eliminates the need for additional calibration in most applications.
• Linear +10 mV/°K Scale Factor: The device provides a predictable, linear temperature coefficient of +10 mV/°K, enabling straightforward temperature calculations without complex conversions.
• Wide Operating Temperature Range: With an operational range from -40°C to 100°C, the LM335AH is versatile and suitable for a broad spectrum of environments.
• Low Operating Current: The sensor operates at low currents, making it ideal for battery-powered applications and for situations where power consumption is a concern.
• Easy Calibration: The device can be calibrated to a single point in a two-terminal mode, simplifying the calibration process and reducing system complexity.
• TO-46 Metal Can Package: The LM335AH is housed in a TO-46 metal can package, which provides robust protection against environmental factors and enhances the overall durability of the sensor.

Applications

The LM335AH is suitable for a wide array of applications, including:

• Environmental control systems
• Temperature sensing for processors and electronic systems
• Data loggers and temperature monitoring
• Battery management systems
• HVAC systems
• Automotive temperature sensing

Technical Specifications

The LM335AH offers an accuracy of ±1°C at room temperature and ±3°C over the full temperature range. It requires a minimum of 1mA current for operation, ensuring compatibility with a wide range of circuits and systems. As a versatile and easy-to-use temperature sensor, the LM335AH from Texas Instruments stands out as a top choice for designers and engineers seeking a reliable temperature measurement solution.