LM35DZ/NOPB

The LM35DZ/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 LM35DZ/NOPB is typically available in a TO-92 package, which is a small, cylindrical plastic package that is easy to handle and mount on PCBs. It may also be available in other package types such as SOIC or MSOP for surface mount applications.

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 processes.
• Output Voltage: The output voltage of the LM35 is linearly proportional to the Celsius temperature, with a scale factor of 10 mV/°C. For example, at 25°C, the output voltage will be 250 mV.
• Accuracy: The device offers a typical accuracy of ±0.5°C at room temperature, which can be critical for applications requiring precise temperature measurements.
• Low Output Impedance: The LM35 has a low output impedance, allowing it to drive loads without significant voltage drop, which is beneficial for interfacing with ADCs or other circuitry.
• Self-Calibration: The LM35 does not require any external calibration, simplifying the design process for engineers.

Electrical Characteristics:

• Supply Voltage: The LM35 operates on a supply voltage range of 4 V to 30 V, making it versatile for various power supply configurations.
• Current Consumption: The device has a low current consumption, typically around 60 µA, which is advantageous for battery-powered applications.
• Temperature Coefficient: The temperature coefficient is typically 10 mV/°C, ensuring a linear response over the specified temperature range.

Applications:

The LM35DZ/NOPB is widely used in various applications, including:

• Environmental Monitoring: For measuring ambient temperature in weather stations or HVAC systems.
• Industrial Automation: In temperature control systems for manufacturing processes.
• Consumer Electronics: In devices that require temperature monitoring, such as refrigerators and ovens.
• Medical Devices: For monitoring body temperature in medical applications.

Additional Information:

• RoHS Compliant: The LM35DZ/NOPB is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring it is environmentally friendly.
• Pin Configuration: The typical pin configuration includes three pins: V+ (supply voltage), Vout (output voltage), and GND (ground).

In summary, the LM35DZ/NOPB from Texas Instruments is a reliable and accurate temperature sensor that is easy to integrate into various electronic systems, making it a popular choice among engineers and designers for temperature measurement applications.