LM335MX/NOPB

The LM335MX/NOPB is a precision temperature sensor and voltage reference integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a stable output voltage that is linearly proportional to temperature, making it suitable for a variety of applications, including temperature measurement, control systems, and as a reference voltage in analog circuits.

Key Features:

1. Temperature Sensing: The LM335 outputs a voltage that is directly proportional to the absolute temperature in Kelvin. The output voltage is typically 10 mV/K, allowing for easy conversion to temperature readings.

2. Wide Temperature Range: The device operates over a broad temperature range, typically from -40°C to +100°C, making it suitable for various environmental conditions.

3. Low Output Impedance: The LM335 has a low output impedance, which allows it to drive loads without significant voltage drop, ensuring accurate readings.

4. High Accuracy: The IC offers high accuracy and low drift over temperature, which is essential for precision applications.

5. Power Supply Requirements: The LM335 can operate with a wide supply voltage range, typically from 1.5V to 40V, making it versatile for different circuit designs.

6. Package Type: The LM335MX/NOPB is available in a surface-mount package (SOT-23), which is compact and suitable for modern PCB designs.

7. No External Components Required: The device is designed to work without the need for external components, simplifying the design process.

8. Applications: Common applications include temperature measurement systems, HVAC systems, industrial process control, and as a reference voltage in analog-to-digital converters (ADCs).

Electrical Characteristics:

• Output Voltage: 10 mV/K
• Supply Voltage Range: 1.5V to 40V
• Temperature Coefficient: Typically around 0.5%/°C
• Output Impedance: Low, typically around 0.1Ω

Pin Configuration:

The LM335MX/NOPB typically features three pins:

• Pin 1 (VOUT): The output pin that provides the voltage proportional to temperature.
• Pin 2 (GND): The ground pin for circuit reference.
• Pin 3 (V+ or VCC): The supply voltage pin.

Conclusion:

The LM335MX/NOPB from Texas Instruments is a reliable and precise temperature sensor and voltage reference IC that is widely used in various electronic applications. Its ease of use, accuracy, and compact design make it a popular choice among engineers and designers looking for effective temperature measurement solutions.