Texas Instruments

LM339DBRE4

LM339DBRE4 Description

The LM339DBRE4 is a general-purpose comparator IC designed by Texas Instruments, featuring four differential inputs and a 14-lead small outline package (14SSOP). This IC is ideal for a wide range of applications due to its robust performance and versatility. The LM339DBRE4 operates within a temperature range of 0°C to 70°C, making it suitable for various industrial and commercial environments.

LM339DBRE4 Features

• High Output Current: The LM339DBRE4 can deliver a typical output current of 20mA, ensuring strong drive capabilities for various load conditions.
• Low Quiescent Current: With a maximum quiescent current of 2.5mA, this IC is highly energy-efficient, making it suitable for battery-powered and low-power applications.
• Wide Supply Voltage Range: The comparator operates on a single supply voltage ranging from 2V to 30V or dual supplies of ±1V to ±15V, providing flexibility in power supply design.
• Low Input Offset Voltage: The maximum input offset voltage is 5mV at 30V, ensuring high accuracy and reliability in signal comparisons.
• Low Input Bias Current: The maximum input bias current is 0.25µA at 5V, which minimizes the impact on the input signal sources.
• Surface Mount Technology: The LM339DBRE4 is available in a surface mount package, facilitating easy integration into modern printed circuit board designs.
• Compliance and Reliability: The IC is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, allowing for unlimited exposure to ambient conditions without degradation.

LM339DBRE4 Applications

The LM339DBRE4 is well-suited for a variety of applications due to its general-purpose design and robust performance. Key applications include:

• Signal Processing: Ideal for comparing analog signals in various signal processing circuits, including level detection and threshold triggering.
• Power Management: Used in power supply circuits for voltage monitoring and regulation, ensuring stable operation of electronic systems.
• Automotive Electronics: Suitable for automotive applications where reliability and performance are critical, such as engine control units and sensor interfaces.
• Industrial Control: Employed in industrial automation and control systems for precise signal comparison and control functions.
• Consumer Electronics: Used in consumer devices for functions such as battery level indication and power management.

Conclusion of LM339DBRE4

The LM339DBRE4 from Texas Instruments is a versatile and reliable comparator IC that offers a combination of high performance and energy efficiency. Its wide supply voltage range, low input offset voltage, and low quiescent current make it an excellent choice for a variety of applications, from signal processing to power management. The surface mount package and compliance with environmental regulations further enhance its suitability for modern electronic designs. Whether in automotive, industrial, or consumer electronics, the LM339DBRE4 provides a robust solution for precise signal comparison and control.