onsemi

LM319M

LM319M Description

The LM319M is a general-purpose linear comparator designed for a wide range of applications. Manufactured by onsemi, this IC features two independent comparators in a single package, making it suitable for various electronic circuits that require precise voltage level detection and comparison. The LM319M operates within a supply voltage range of 5V to 30V for single supply and ±2.5V to ±15V for dual supply, offering flexibility in power requirements. It has a maximum input offset voltage of 8mV at ±15V, ensuring high accuracy in voltage comparisons. The comparator also boasts a low input bias current of 1µA at ±15V, minimizing the impact on the input signal sources. With a typical output current of 25mA and a maximum quiescent current of 12.5mA, the LM319M provides efficient power usage. The device is housed in a surface-mount package, specifically a tube, and is rated for an operating temperature range of 0°C to 70°C. It is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards. Despite being marked as obsolete, the LM319M remains a reliable choice for applications that require robust and precise voltage comparison.

LM319M Features

• Dual Comparators: The LM319M features two independent comparators in a single package, allowing for multiple voltage level comparisons within a single IC.
• Wide Supply Voltage Range: Operates from 5V to 30V for single supply and ±2.5V to ±15V for dual supply, providing flexibility in power requirements.
• Low Input Offset Voltage: A maximum input offset voltage of 8mV at ±15V ensures high accuracy in voltage comparisons, making it suitable for precision applications.
• Low Input Bias Current: With a maximum input bias current of 1µA at ±15V, the LM319M minimizes the impact on input signal sources, maintaining signal integrity.
• High Output Current: A typical output current of 25mA allows for driving various loads efficiently.
• Low Quiescent Current: A maximum quiescent current of 12.5mA ensures efficient power usage, making it suitable for low-power applications.
• Surface-Mount Package: The LM319M is available in a surface-mount package, specifically a tube, which is ideal for automated assembly processes.
• Wide Operating Temperature Range: Rated for an operating temperature range of 0°C to 70°C, ensuring reliable performance in various environmental conditions.
• Environmental Compliance: The LM319M is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards.

LM319M Applications

The LM319M is ideal for a variety of applications that require precise voltage comparison and detection. Some specific use cases include:

• Signal Processing: Used in signal processing circuits to detect and compare voltage levels, ensuring accurate signal conditioning.
• Power Management: Ideal for power management applications where voltage monitoring and control are critical.
• Control Systems: Suitable for control systems that require precise voltage level detection to trigger actions or adjustments.
• Automotive Electronics: Can be used in automotive applications for monitoring battery voltage, sensor signals, and other critical parameters.
• Industrial Automation: Ideal for industrial automation systems where precise voltage comparisons are necessary for process control and monitoring.

Conclusion of LM319M

The LM319M is a versatile and reliable linear comparator that offers high accuracy and efficiency in voltage comparison tasks. Its dual comparator design, wide supply voltage range, and low input offset voltage make it suitable for a wide range of applications. Despite being marked as obsolete, the LM319M remains a robust choice for applications that require precise voltage detection and comparison. Its surface-mount package and environmental compliance further enhance its suitability for modern electronic designs.