Texas Instruments

LM339ADG4

LM339ADG4 Description

The LM339ADG4 is a general-purpose comparator IC designed by Texas Instruments, featuring four differential input comparators in a 14-pin SOIC package. This device is ideal for a wide range of applications due to its robust performance and versatility. The LM339ADG4 operates within a supply voltage range of 2V to 30V for single supply and ±1V to ±15V for dual supply, making it suitable for both low-power and high-voltage applications. It offers a maximum quiescent current of 2.5mA, ensuring efficient power consumption, and a typical output current of 20mA, capable of driving various loads effectively.

LM339ADG4 Features

• High Performance: The LM339ADG4 boasts a maximum input offset voltage of 3mV at 30V, ensuring high accuracy in signal comparison. Its maximum input bias current of 0.25µA at 5V further enhances its precision.
• Versatile Supply Voltage Range: With a supply voltage range of 2V to 30V for single supply and ±1V to ±15V for dual supply, the LM339ADG4 is adaptable to various power supply configurations.
• Low Quiescent Current: The maximum quiescent current of 2.5mA ensures minimal power consumption, making it suitable for battery-powered and low-power applications.
• High Output Current: The typical output current of 20mA allows the LM339ADG4 to drive a variety of loads, including relays and LEDs, without the need for additional drivers.
• Moisture Sensitivity Level 1: The MSL 1 (Unlimited) rating means the device is not moisture-sensitive, reducing the risk of damage during the manufacturing process.
• Compliance and Reliability: The LM339ADG4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has an ECCN classification of EAR99 and HTSUS code 8542.39.0001, facilitating international trade and regulatory compliance.
• Surface Mount Packaging: The 14SOIC package format is ideal for surface-mount technology, enabling compact and reliable PCB designs.

LM339ADG4 Applications

The LM339ADG4 is well-suited for a variety of applications due to its robust performance and versatility. Some specific use cases include:

• Signal Processing: Ideal for comparing analog signals in various signal processing applications, such as level detection and threshold monitoring.
• Power Management: Suitable for monitoring and controlling power supply levels in electronic systems, ensuring stable operation.
• Automotive Electronics: Given its wide operating temperature range of 0°C to 70°C, the LM339ADG4 is suitable for automotive applications where reliability and performance are critical.
• Industrial Control: The device's ability to drive relays and other actuators makes it ideal for industrial control systems, where precise signal comparison and control are required.
• Consumer Electronics: The LM339ADG4 can be used in consumer electronics for tasks such as battery level indication and voltage monitoring.

Conclusion of LM339ADG4

The LM339ADG4 from Texas Instruments is a versatile and reliable comparator IC that offers a wide range of features and benefits. Its high performance, low power consumption, and wide supply voltage range make it suitable for a variety of applications, from signal processing to power management. The device's compliance with environmental and safety standards, along with its surface-mount packaging, ensures ease of integration into modern electronic designs. Whether in automotive, industrial, or consumer electronics, the LM339ADG4 stands out as a reliable choice for precise signal comparison and control.