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LM339MX

LM339MX Description

The LM339MX is a general-purpose linear comparator IC designed by Rohm Semiconductor. This device features four independent comparators housed in a surface-mount 14SO package, making it suitable for a wide range of applications. The LM339MX operates within an input voltage range of 2V to 36V for single supply and ±1V to ±18V for dual supply, ensuring flexibility in various power configurations. It offers a maximum input offset voltage of 5mV at 30V, ensuring high accuracy in signal comparison. The maximum input bias current is 0.25µA at 5V, which minimizes the impact on the input signal source. The LM339MX also provides a typical output current of 16mA at 5V, allowing it to drive various loads effectively. With a maximum quiescent current of 2.5mA, it is energy-efficient, making it ideal for low-power applications. The operating temperature range of 0°C to 70°C ensures reliable performance in typical industrial environments. The LM339MX is REACH unaffected and RoHS3 compliant, adhering to environmental and safety standards. Packaged in tape and reel (TR), it is suitable for automated assembly processes.

LM339MX Features

• High Output Current: The LM339MX provides a typical output current of 16mA at 5V, enabling it to drive a variety of loads, including relays and LEDs, without additional buffering.
• Low Input Bias Current: With a maximum input bias current of 0.25µA at 5V, the LM339MX minimizes the loading effect on sensitive input signals, ensuring accurate comparisons.
• Wide Operating Voltage Range: The comparator operates from 2V to 36V for single supply and ±1V to ±18V for dual supply, offering versatility in different power supply configurations.
• Low Input Offset Voltage: The maximum input offset voltage of 5mV at 30V ensures precise signal comparison, making it suitable for applications requiring high accuracy.
• Energy Efficient: The maximum quiescent current of 2.5mA ensures low power consumption, making the LM339MX ideal for battery-powered and energy-sensitive applications.
• Environmental Compliance: The LM339MX is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the LM339MX is suitable for storage and handling in various environmental conditions without the need for special precautions.

LM339MX Applications

The LM339MX is ideal for a variety of applications due to its general-purpose design and robust performance. Some specific use cases include:

• Signal Processing: The LM339MX can be used in signal processing circuits to compare analog signals and generate digital outputs, making it suitable for applications such as level detectors and window comparators.
• Power Management: Its ability to drive high current loads and operate over a wide voltage range makes it ideal for power management circuits, including voltage supervisors and power sequencing controllers.
• Automotive Electronics: The LM339MX's wide operating temperature range and robust performance make it suitable for automotive applications, such as engine control units and sensor interfaces.
• Industrial Control: The comparator's high accuracy and low power consumption make it ideal for industrial control systems, including PLCs and process control units.
• Consumer Electronics: The LM339MX can be used in consumer electronics for applications such as battery chargers, power supplies, and signal conditioning circuits.

Conclusion of LM339MX

The LM339MX is a versatile and reliable linear comparator IC that offers high performance and flexibility. Its wide operating voltage range, low input bias current, and high output current make it suitable for a variety of applications, from signal processing to power management. The LM339MX's environmental compliance and robust performance ensure it meets industry standards and provides reliable operation in various conditions. Whether used in automotive, industrial, or consumer electronics, the LM339MX stands out as a reliable and efficient solution for general-purpose comparison tasks.