STMicroelectronics

LM339ADT

LM339ADT Description

The LM339ADT is a versatile, general-purpose comparator from STMicroelectronics, designed for a wide range of applications in the electronics industry. This 14-pin surface-mount IC features four independent comparators, each with excellent performance characteristics. With an operating temperature range of 0°C to 70°C, the LM339ADT is suitable for both commercial and industrial applications. The device is compliant with RoHS3 standards and is unaffected by REACH regulations, making it an environmentally friendly choice.

LM339ADT Features

• Technical Specifications:

  • Voltage Supply Range: 2V to 32V (single supply), ±1V to 16V (dual supply)
  • Input Offset Voltage: Maximum 2mV at 30V supply
  • Output Current: 16mA typical at 5V supply
  • Quiescent Current: Maximum 2.5mA
  • Input Bias Current: Maximum 0.1µA at 5V supply
  • Moisture Sensitivity Level (MSL): 1 (Unlimited)
  • Package: Tape & Reel (TR)

• Performance Benefits:

  • The LM339ADT offers low input offset voltage, ensuring high accuracy and precision in comparisons.
  • The device's low quiescent current makes it suitable for battery-powered applications.
  • The high output current capability allows for driving demanding loads.

• Unique Features and Advantages:

  • The LM339ADT's four comparators provide flexibility in designing complex systems with multiple comparison points.
  • The device's wide supply voltage range accommodates various power supply options, enhancing design flexibility.

LM339ADT Applications

The LM339ADT is ideal for a variety of applications where precise comparisons and signal processing are required. Some specific use cases include:

• Industrial Control Systems: Utilizing the LM339ADT for threshold detection and signal conditioning in industrial automation and control systems.
• Sensor Signal Processing: Employing the comparators for processing signals from temperature, pressure, or other sensors in monitoring and data acquisition systems.
• Audio Equipment: Using the LM339ADT for level detection and clipping prevention in audio amplifiers and mixers.
• Power Management: Implementing the comparators for voltage monitoring and protection in battery management systems.

Conclusion of LM339ADT

The LM339ADT is a robust and reliable general-purpose comparator, offering a combination of performance, flexibility, and environmental compliance. Its wide supply voltage range, low input offset voltage, and high output current make it an excellent choice for a variety of applications in the electronics industry. With four independent comparators in a single package, the LM339ADT provides a cost-effective and space-saving solution for complex systems requiring multiple comparison points.