Overview of the LM135Z Precision Temperature Sensor

The LM135Z is a precision temperature sensor manufactured by STMicroelectronics, designed to offer a straightforward and efficient solution for temperature measurement in a wide range of applications. This high-quality component is part of the LM135 series, which are precision, easily-calibrated, integrated circuit temperature sensors operating as a temperature-sensitive voltage source over a -55°C to +150°C temperature range.

Key Features

• Temperature Range: The LM135Z operates over a wide temperature range from -55°C to +150°C, making it suitable for diverse applications, from industrial to consumer electronics.
• Calibrated Directly in °C: The sensor is calibrated directly in Celsius, which simplifies the integration into systems that require temperature data for processing and monitoring.
• Linear +10.0 mV/°C Scale Factor: It provides a linear scale factor of +10.0 mV/°C, ensuring a high level of accuracy in temperature readings.
• Low Impedance Output: The low impedance output of the LM135Z improves performance, especially in the presence of noise and a long distance between the sensor and the reading interface.
• Analog Output: The output is an analog voltage that can be easily interfaced with any analog-to-digital converter (ADC) or analog input circuitry.
• Operational in a Series Mode: The sensor can be operated in a series mode for applications that require a higher voltage output.

Applications

The LM135Z is versatile and can be used in a variety of settings, including:

• Power supplies
• Battery management systems
• HVAC systems
• Automotive applications
• Test and measurement equipment
• Consumer electronics

Package and Reliability

The LM135Z is packaged in a TO-92 package, which is a small, through-hole mounting package that is convenient for prototyping and production. It is known for its reliability and long-term stability, ensuring consistent performance over the lifetime of the product. Furthermore, the sensor does not require any external calibration or trimming to provide typical accuracies of ±0.5°C at room temperature and ±3°C over a full -55°C to +150°C temperature range.

With its precision temperature measurement capabilities, the LM135Z from STMicroelectronics stands out as a dependable choice for professionals seeking accuracy, durability, and ease of use in their temperature-sensing applications.