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LM339AD

LM339AD Description

The LM339AD is a general-purpose integrated circuit comparator designed by onsemi, featuring a 14-pin small outline (SO) package. This IC is designed for surface-mount applications and is suitable for a wide range of electronic systems. The LM339AD comprises four independent comparators, making it highly versatile for various applications. It operates within a temperature range of 0°C to 70°C, ensuring reliable performance in standard operating conditions. The supply voltage range is extensive, accommodating single supplies from 2V to 32V and dual supplies from ±1V to ±16V, which makes it adaptable to different power requirements.

LM339AD Features

• Operating Temperature: 0°C to 70°C, ensuring stable performance in typical ambient conditions.
• ECCN: EAR99, indicating compliance with export regulations.
• Output Current: A typical output current of 16mA at 5V, providing robust drive capabilities.
• Mounting Type: Surface mount, ideal for compact and high-density PCB designs.
• Product Status: Obsolete, though still available for legacy systems and specific applications.
• Input Offset Voltage: A maximum of 2mV at 30V, ensuring high accuracy and precision in comparisons.
• Input Bias Current: A maximum of 0.1µA at 5V, minimizing power consumption and improving accuracy.
• Quiescent Current: A maximum of 2.5mA, contributing to low power usage and efficiency.
• Package: Supplied in a tube, facilitating easy handling and integration into production lines.

LM339AD Applications

The LM339AD is well-suited for a variety of applications due to its general-purpose nature and robust performance characteristics. It is particularly ideal for:

• Signal Processing: Used in analog-to-digital converters, where precise voltage level comparisons are necessary.
• Control Systems: In motor control and power management systems, where it can compare feedback signals to reference levels.
• Audio Applications: For level detection and signal conditioning in audio equipment.
• Power Supply Monitoring: To monitor and regulate power supply voltages, ensuring stable operation of electronic devices.
• Automotive Electronics: For various sensor and control applications within vehicles, given its wide operating voltage range and reliability.

Conclusion of LM339AD

The LM339AD from onsemi is a versatile and reliable general-purpose comparator IC. Its wide operating voltage range, low input offset voltage, and low quiescent current make it suitable for a broad range of applications, from signal processing to power supply monitoring. Despite being marked as obsolete, the LM339AD remains a valuable component for legacy systems and specific applications where its unique features and performance benefits are still highly relevant. Its surface-mount package and tube packaging further enhance its ease of integration into modern electronic designs.