LM35DMX/NOPB

The LM35DMX/NOPB is a precision temperature sensor manufactured by Texas Instruments. It is designed to provide an accurate and linear output voltage that corresponds to the temperature in degrees Celsius. Here’s a detailed description of its features and specifications:

General Overview:

• Type: Analog temperature sensor
• Output: The LM35 outputs a voltage that 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.

Key Features:

• Temperature Range: The LM35 can measure temperatures from -55°C to +150°C, making it suitable for a wide range of applications.
• Accuracy: It offers a typical accuracy of ±0.5°C at room temperature, which is beneficial for applications requiring precise temperature measurements.
• Low Output Impedance: The device has a low output impedance, which allows it to drive heavy loads without significant voltage drop.
• Self-Calibration: The LM35 does not require external calibration, simplifying the design process for engineers.
• Low Power Consumption: It operates on a low supply current, making it energy-efficient for battery-powered applications.

Package and Pin Configuration:

• Package Type: The LM35DMX/NOPB is available in a small outline integrated circuit (SOIC) package, which is compact and suitable for surface-mount technology (SMT).
• Pin Count: It typically has three pins:
  • Pin 1: Output (Vout) - This pin provides the voltage output proportional to the temperature.
  • Pin 2: Ground (GND) - This pin is connected to the system ground.
  • Pin 3: Supply Voltage (Vs) - This pin is connected to the power supply, typically ranging from +4V to +30V.

Applications:

The LM35 is widely used in various applications, including:

• Temperature Monitoring: Ideal for HVAC systems, industrial temperature control, and environmental monitoring.
• Consumer Electronics: Used in devices that require temperature sensing, such as refrigerators and ovens.
• Medical Devices: Suitable for applications in medical equipment where accurate temperature readings are critical.

Additional Information:

• RoHS Compliant: The LM35DMX/NOPB is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring it is environmentally friendly.
• Temperature Coefficient: The temperature coefficient is typically around 20 µV/°C, which contributes to its accuracy and reliability.

In summary, the LM35DMX/NOPB from Texas Instruments is a versatile and reliable temperature sensor that provides accurate temperature readings in a compact package, making it suitable for a wide range of applications in both consumer and industrial markets.