ROHM Semiconductor

LM339FJ-E2

LM339FJ-E2 Description

The LM339FJ-E2 is a general-purpose linear comparator IC designed and manufactured by Rohm Semiconductor. This versatile component is housed in a 14SOPJ package and is ideal for a wide range of applications requiring precise voltage comparison. The LM339FJ-E2 features four independent comparators, each capable of operating with a supply voltage range of 3V to 32V for single supply and ±1.5V to ±16V for dual supply configurations. This wide voltage range makes it suitable for both low-power and high-voltage applications.

The LM339FJ-E2 offers a maximum input offset voltage of 4.5mV at 1.4V, ensuring high accuracy in voltage comparisons. Its low input bias current of 0.05µA at 1.4V minimizes the impact on the input signal, making it ideal for applications where input signal integrity is critical. Additionally, the comparator has a quiescent current of up to 2mA, contributing to its energy efficiency.

The LM339FJ-E2 is designed for surface-mount applications, providing a compact and reliable solution for modern electronics. The device is packaged in a tape and reel format (Tape & Reel, TR), facilitating automated assembly processes. It also meets industry compliance standards, being REACH unaffected and ROHS3 compliant, ensuring environmental and safety regulations are met.

LM339FJ-E2 Features

• Wide Operating Voltage Range: The LM339FJ-E2 can operate with a single supply voltage ranging from 3V to 32V and dual supply voltages from ±1.5V to ±16V, making it highly adaptable for various power requirements.
• High Accuracy: With a maximum input offset voltage of 4.5mV at 1.4V, the LM339FJ-E2 ensures precise voltage comparisons, crucial for applications requiring high accuracy.
• Low Input Bias Current: The maximum input bias current of 0.05µA at 1.4V minimizes the load on the input signal source, preserving signal integrity.
• Energy Efficient: The maximum quiescent current of 2mA ensures low power consumption, making the LM339FJ-E2 suitable for battery-operated and low-power applications.
• Surface-Mount Compatibility: The LM339FJ-E2 is designed for surface-mount applications, offering a compact and reliable solution for modern electronics.
• Industry Compliance: The LM339FJ-E2 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety regulations.
• Packaging: Available in a tape and reel format, the LM339FJ-E2 is ideal for automated assembly processes.

LM339FJ-E2 Applications

The LM339FJ-E2 is suitable for a variety of applications due to its versatility and performance characteristics. Some specific use cases include:

• Signal Processing: Ideal for applications requiring precise voltage level detection and comparison, such as in analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
• Power Management: Useful in power supply circuits for monitoring and controlling voltage levels, ensuring stable and efficient power delivery.
• Automotive Electronics: Suitable for automotive applications where high reliability and wide operating voltage range are essential.
• Consumer Electronics: Applicable in consumer devices where compact size and low power consumption are critical, such as smartphones, tablets, and portable gaming devices.
• Industrial Control Systems: Beneficial in industrial applications for monitoring and controlling process parameters, ensuring precise and reliable operation.

Conclusion of LM339FJ-E2

The LM339FJ-E2 is a robust and versatile general-purpose linear comparator that offers a wide operating voltage range, high accuracy, and low power consumption. Its surface-mount compatibility and industry compliance make it a reliable choice for modern electronics applications. Whether used in signal processing, power management, or industrial control systems, the LM339FJ-E2 provides a high-performance solution that meets the demands of various industries. With its compact size and energy efficiency, the LM339FJ-E2 stands out as an ideal component for both low-power and high-voltage applications, ensuring precise and reliable voltage comparisons.