STMicroelectronics

LM339PT

LM339PT Description

The LM339PT is a general-purpose comparator IC designed by STMicroelectronics, featuring four independent comparators in a 14-TSSOP package. This versatile chip is optimized for a wide range of applications, offering robust performance and reliability. The LM339PT is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. With a quiescent current of only 2.5mA and an input bias current of 0.25µA at 5V, the LM339PT is highly energy-efficient, making it suitable for low-power applications. Its operating temperature range of 0°C to 70°C ensures stable performance across various environmental conditions.

LM339PT Features

• High Output Current: The LM339PT can deliver a typical output current of 16mA at 5V, making it suitable for driving a variety of loads.
• Wide Supply Voltage Range: It operates from a single supply voltage of 2V to 32V or dual supplies of ±1V to ±16V, providing flexibility in power supply options.
• Low Input Offset Voltage: With a maximum input offset voltage of 5mV at 30V, the LM339PT ensures high accuracy in voltage comparisons.
• Low Quiescent Current: The maximum quiescent current of 2.5mA minimizes power consumption, making it ideal for battery-powered and energy-sensitive applications.
• Low Input Bias Current: The maximum input bias current of 0.25µA at 5V ensures minimal loading on the input sources, maintaining signal integrity.
• Moisture Sensitivity Level: Rated at MSL 1 (Unlimited), the LM339PT is suitable for surface-mount applications without the need for special handling or storage conditions.
• Packaging: Available in a Tape & Reel (TR) package, it is ideal for automated assembly processes.

LM339PT Applications

The LM339PT is well-suited for a variety of applications due to its general-purpose nature and robust performance characteristics. Some specific use cases include:

• Signal Processing: Ideal for applications requiring precise voltage level detection and comparison, such as in analog-to-digital converters and signal conditioning circuits.
• Power Management: Suitable for monitoring and controlling power supply levels in various electronic systems.
• Automotive Electronics: Given its wide operating voltage range and robustness, it can be used in automotive applications where reliability and performance are critical.
• Industrial Control Systems: The LM339PT can be employed in industrial automation and control systems for monitoring and controlling various parameters.
• Consumer Electronics: It is also suitable for consumer electronics where low power consumption and high accuracy are required.

Conclusion of LM339PT

The LM339PT from STMicroelectronics is a highly versatile and reliable general-purpose comparator IC. Its wide supply voltage range, low quiescent current, and low input offset voltage make it an excellent choice for a variety of applications. The LM339PT's compliance with REACH and RoHS3 standards ensures it meets environmental and safety requirements, making it a responsible choice for modern electronic designs. Whether used in signal processing, power management, or industrial control systems, the LM339PT offers a robust and efficient solution, making it a standout choice in its category.