The LM235H is a precision temperature sensor developed by Texas Instruments, designed to measure temperature with high accuracy and reliability. This temperature sensor is capable of detecting a wide temperature range, making it suitable for diverse applications, from industrial systems to consumer electronics.

Key Features

• Wide Temperature Range: The LM235H can measure temperatures from -55°C to +150°C, providing flexibility for various temperature monitoring tasks.
• Linear Voltage Output: It provides a linear voltage output that is directly proportional to the Celsius temperature, with a scale factor of 10mV/°C, allowing for easy integration with analog circuits.
• Calibrated Directly in Celsius: The sensor is calibrated in degrees Celsius, eliminating the need for external calibration and simplifying the design process.
• Low Operating Current: The LM235H operates with a very low current, typically 60 μA, which minimizes self-heating and helps maintain accuracy.
• High Impedance Output: The high impedance output of the LM235H ensures minimal loading effect, making it suitable for remote applications and long wire runs.
• Wide Operating Voltage Range: It can be powered from a wide range of supply voltages, from 4V to 30V, offering versatility in various circuit configurations.

Applications

The LM235H is ideal for a multitude of applications, including:

• Power Supplies
• Battery Management Systems
• HVAC Systems
• Automotive Controls
• Consumer Electronics
• Temperature Control and Monitoring Systems

Package and Reliability

The LM235H is offered in a hermetically sealed TO-46 metal can package, ensuring robustness and resistance to environmental factors. Its design is optimized for reliability, with a mean time between failures (MTBF) that supports long-term usage in critical applications.

Support and Resources

Texas Instruments provides extensive support and resources for the LM235H, including detailed datasheets, application notes, and design tools. Engineers can access these resources to facilitate the integration of the sensor into their designs and to maximize its performance and accuracy.