Texas Instruments

LM339AN

LM339AN Description

The LM339AN is a precision quad differential comparator designed for general-purpose applications. Manufactured by Texas Instruments, this linear IC chip is known for its robust performance and versatility. The LM339AN operates within a temperature range of 0°C to 70°C, making it suitable for a wide range of industrial and consumer applications. It features a propagation delay of 1.3µs (typical), ensuring fast response times and efficient signal processing. The device is capable of delivering an output current of 16mA at 5V, with a quiescent current of up to 2mA. Its input offset voltage is a mere 3mV at 30V, contributing to its high precision.

The LM339AN is designed for through-hole mounting, offering ease of integration into various circuit designs. It is available in bulk packaging, which is ideal for large-scale production. The device is compliant with REACH regulations, ensuring environmental safety. With a supply voltage range of 2V to 30V for single supply and ±1V to ±15V for dual supply, the LM339AN is highly flexible and can be used in a variety of power configurations. It consists of four independent comparators, each with a maximum input bias current of 0.25µA at 5V.

LM339AN Features

• High Precision: The low input offset voltage of 3mV at 30V ensures accurate comparisons and minimal errors in signal processing.
• Fast Response: With a propagation delay of 1.3µs (typical), the LM339AN can quickly respond to changes in input signals, making it ideal for applications requiring rapid decision-making.
• High Output Current: Capable of delivering 16mA at 5V, the LM339AN can drive substantial loads without the need for additional amplification stages.
• Wide Operating Voltage Range: The device operates on a supply voltage range of 2V to 30V for single supply and ±1V to ±15V for dual supply, offering flexibility in power supply requirements.
• Low Quiescent Current: A maximum quiescent current of 2mA ensures minimal power consumption, making the LM339AN suitable for battery-powered and low-power applications.
• Through-Hole Mounting: The through-hole mounting type facilitates easy integration into PCB designs, ensuring reliable mechanical and electrical connections.
• REACH Compliance: The LM339AN is REACH unaffected, ensuring compliance with environmental regulations and suitability for global markets.

LM339AN Applications

The LM339AN is well-suited for a variety of applications due to its versatility and high performance. Some specific use cases include:

• Signal Processing: Ideal for applications requiring fast and accurate signal comparison, such as in analog-to-digital converters and signal conditioning circuits.
• Power Management: The wide operating voltage range and high output current make it suitable for power supply monitoring and control systems.
• Automotive Electronics: The robust performance and wide temperature range make the LM339AN suitable for automotive applications, such as engine control units and sensor interfaces.
• Industrial Automation: The device can be used in industrial control systems for tasks such as level detection, temperature monitoring, and motor control.
• Consumer Electronics: The LM339AN can be integrated into consumer electronics for applications like audio signal processing and display control.

Conclusion of LM339AN

The LM339AN is a highly versatile and precise quad differential comparator that offers significant advantages over similar models. Its wide operating voltage range, low input offset voltage, and fast propagation delay make it suitable for a variety of applications, from signal processing to power management. The device's low quiescent current and REACH compliance further enhance its appeal for modern electronics designs. Whether used in industrial, automotive, or consumer applications, the LM339AN provides reliable performance and ease of integration, making it a preferred choice for engineers and designers in the electronics industry.