LM35DH/NOPB

The LM35DH/NOPB is a precision temperature sensor manufactured by Texas Instruments. It is designed to provide accurate temperature readings in a variety of applications, including industrial, automotive, and consumer electronics. Here’s a detailed description of its features and specifications:

General Overview:

• Type: Analog temperature sensor
• Package: The LM35DH/NOPB is typically available in a TO-220 package, which is a metal can package that provides good thermal conductivity and is suitable for heat dissipation.
• Operating Temperature Range: The device can operate over a wide temperature range, typically from -55°C to +150°C, making it suitable for both extreme and moderate environments.

Key Features:

• Output Voltage: The LM35 outputs a linear voltage that is directly proportional to the temperature in degrees Celsius. Specifically, it provides an output of 10 mV per °C, allowing for easy interfacing with analog-to-digital converters (ADCs) and microcontrollers.
• Accuracy: The sensor boasts a high degree of accuracy, with a typical error of ±0.5°C at room temperature. This precision makes it ideal for applications requiring reliable temperature measurements.
• Low Self-Heating: The LM35 has a low self-heating characteristic, which means it does not significantly affect the temperature of the environment it is measuring, ensuring accurate readings.
• Low Power Consumption: The device operates on a low supply voltage, typically between 4V and 30V, and consumes minimal current, making it suitable for battery-powered applications.

Electrical Characteristics:

• Supply Voltage: 4V to 30V
• Output Impedance: The output impedance is low, allowing for easy interfacing with other electronic components without significant signal degradation.
• Temperature Coefficient: The temperature coefficient is typically 10 mV/°C, which provides a straightforward conversion from voltage to temperature.

Applications:

• Industrial Temperature Monitoring: Used in process control and monitoring systems to ensure optimal operating conditions.
• HVAC Systems: Integrated into heating, ventilation, and air conditioning systems for temperature regulation.
• Consumer Electronics: Employed in devices that require temperature sensing, such as refrigerators and ovens.
• Automotive Applications: Utilized in engine temperature monitoring and climate control systems.

Additional Information:

• Pin Configuration: The LM35DH/NOPB typically has three pins: V+ (power supply), Vout (output voltage), and GND (ground).
• RoHS Compliant: The device is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it environmentally friendly.

In summary, the LM35DH/NOPB from Texas Instruments is a versatile and reliable temperature sensor that offers high accuracy, low power consumption, and a wide operating range, making it suitable for a broad spectrum of applications in various industries.