LM35CZ/NOPB

The LM35CZ/NOPB is a precision temperature sensor manufactured by Texas Instruments. It is designed to provide an accurate and linear output voltage that is directly proportional to the temperature in degrees Celsius. Here’s a detailed description of its features and specifications:

General Overview:

• Type: Analog temperature sensor
• Package: The LM35CZ/NOPB is typically available in a TO-92 package, which is a small, cylindrical plastic housing that allows for easy integration into various electronic circuits.

Key Features:

• Temperature Range: The LM35 can measure temperatures from -55°C to +150°C, making it suitable for a wide range of applications, from refrigeration to industrial temperature monitoring.
• Output Voltage: The sensor outputs a voltage of 10 mV per degree Celsius. For example, at 25°C, the output voltage would be 250 mV.
• Accuracy: The LM35CZ/NOPB offers a typical accuracy of ±0.5°C at room temperature, which is sufficient for many applications requiring temperature measurement.
• Low Self-Heating: The device has a low self-heating characteristic, typically around 0.1°C in still air, which ensures that the sensor does not significantly affect the temperature it is measuring.
• Linear Output: The output voltage is linear with respect to temperature, simplifying the design of the associated circuitry for temperature measurement and control.

Electrical Characteristics:

• Supply Voltage: The LM35 operates on a supply voltage range of 4V to 30V, allowing for flexibility in various power supply configurations.
• Current Consumption: The device has a low current consumption, typically around 60 µA, which is beneficial for battery-powered applications.
• Output Impedance: The output impedance is low, which allows for easy interfacing with standard analog-to-digital converters (ADCs) and other signal processing components.

Applications:

• Consumer Electronics: Used in temperature monitoring systems for appliances, HVAC systems, and automotive applications.
• Industrial Equipment: Suitable for temperature measurement in industrial processes, environmental monitoring, and control systems.
• Medical Devices: Can be utilized in medical equipment for monitoring body temperature or environmental conditions.

Additional Information:

• NOPB Designation: The "NOPB" suffix indicates that the device is lead-free and compliant with RoHS (Restriction of Hazardous Substances) standards, making it environmentally friendly.
• Pin Configuration: The LM35CZ typically has three pins: one for the output voltage, one for the power supply, and one for ground, facilitating straightforward integration into circuits.

Conclusion:

The LM35CZ/NOPB from Texas Instruments is a versatile and reliable temperature sensor that provides accurate temperature readings in a compact form factor. Its linear output, low power consumption, and wide temperature range make it an excellent choice for a variety of applications in consumer, industrial, and medical fields.