The LM35 NATIONAL SEMICONDUCTOR Datasheet is a critical document for anyone working with this popular precision integrated-circuit temperature sensor. It provides all the essential information needed to understand, implement, and troubleshoot the LM35 in various electronic projects. From understanding its operating characteristics to interpreting its output, the datasheet is the go-to resource.
Understanding the LM35 NATIONAL SEMICONDUCTOR Datasheet What It Offers
The LM35 NATIONAL SEMICONDUCTOR Datasheet is essentially a comprehensive user manual for the LM35 temperature sensor. It details the sensor’s electrical characteristics, including its voltage output versus temperature relationship. Specifically, the LM35 outputs an analog voltage linearly proportional to the Celsius (centigrade) temperature. The datasheet clarifies the precise scaling factor (typically 10 mV/°C), allowing you to easily convert the sensor’s voltage reading into an accurate temperature measurement. Understanding this scaling is crucial for accurate temperature sensing applications.
Furthermore, the datasheet provides invaluable information about the sensor’s limitations and operating conditions. This includes:
- Operating voltage range: Knowing the acceptable voltage range is critical to prevent damage to the sensor.
- Temperature range: The datasheet specifies the minimum and maximum temperatures the sensor can accurately measure.
- Accuracy: The datasheet outlines the sensor’s accuracy across the temperature range, including any non-linearity or calibration errors.
The datasheet also typically includes example application circuits, demonstrating how to connect the sensor to other electronic components, such as microcontrollers, operational amplifiers, and analog-to-digital converters (ADCs). This information helps in designing effective and reliable temperature monitoring and control systems.
| Parameter | Typical Value |
|---|---|
| Output Voltage | 10 mV/°C |
| Operating Voltage | 4V to 30V |
The LM35’s widespread use stems from its simplicity, accuracy, and ease of integration. The datasheet provides guidelines on avoiding common pitfalls, such as noise interference and self-heating. By carefully following the recommendations within, you can ensure optimal performance and longevity of the sensor in your applications. It’s used in various applications, including:
- Thermostats
- HVAC systems
- Environmental monitoring
- Industrial process control
To get the best performance from your LM35 temperature sensor, consult the official LM35 NATIONAL SEMICONDUCTOR Datasheet. It contains all the specific details about the sensor’s characteristics and provides essential guidelines for its proper use.