STMicroelectronics

LM339AN

LM339AN Description

The LM339AN is a quad, open-drain, general-purpose comparator from STMicroelectronics. It is designed for a variety of applications that require high performance and flexibility. With a current output of 16mA at 5V and a maximum quiescent current of 2.5mA, the LM339AN offers efficient power consumption and output capabilities. Its input offset voltage is as low as 2mV at 30V, ensuring high precision in comparison operations.

LM339AN Features

• Technical Specifications: The LM339AN operates over a wide supply voltage range of 2V to 32V for single supplies and ±1V to 16V for dual supplies. It has a low input bias current of 0.1µA at 5V, which is crucial for maintaining low power consumption in sensitive applications. The comparator also features a moisture sensitivity level (MSL) of 1, indicating unlimited storage time before baking is required.

• Performance Benefits: The LM339AN is designed to operate within an operating temperature range of 0°C to 70°C, making it suitable for a wide range of environments. It is compliant with the RoHS3 directive, which is important for manufacturers looking to meet environmental regulations.

• Unique Features and Advantages: The LM339AN is packaged in a 14-pin DIP (Dual In-line Package), which is a common and easily accessible package type for through-hole mounting. This makes it an ideal choice for applications where space is at a premium and ease of integration is crucial.

LM339AN Applications

• Industrial Control: The LM339AN can be used in various industrial control systems where precise comparisons and signal processing are required.
• Automotive: Due to its wide operating temperature range, the LM339AN is suitable for automotive applications where temperature fluctuations are common.
• Medical Devices: In medical devices, accurate and reliable comparators are essential for monitoring and controlling various parameters. The LM339AN's low input offset voltage and low power consumption make it a suitable choice.
• Consumer Electronics: In consumer electronics, the LM339AN can be used in applications such as audio equipment, where signal comparison and processing are necessary.

Conclusion of LM339AN

While the LM339AN is an obsolete product, it was a versatile and reliable comparator during its time. Its wide supply voltage range, low power consumption, and robust performance made it a popular choice in various applications. Although it may no longer be in production, its legacy lives on in the designs of many electronic systems that require high precision and flexibility. For current projects, it is recommended to look for updated models that offer similar or improved specifications to ensure compliance with the latest industry standards and regulations.