onsemi

LM2903IMX

LM2903IMX Description

The LM2903IMX is a general-purpose comparator IC designed for a wide range of applications requiring precise voltage comparison. Manufactured by onsemi, this IC features two differential comparators housed in an 8-pin SOIC package, making it suitable for surface-mount applications. Despite its obsolete status, the LM2903IMX remains a reliable choice for designers seeking robust and versatile comparator solutions.

Key specifications include a wide supply voltage range of 2V to 36V for single supply and ±1V to ±18V for dual supply, ensuring compatibility with various power sources. The comparator offers a maximum input offset voltage of 7mV at 5V, which is critical for accurate voltage level detection. Additionally, it boasts a low input bias current of 0.25µA at 5V and a quiescent current of up to 2.5mA, making it energy-efficient.

The LM2903IMX is packaged in a tape and reel format (TR), facilitating automated assembly processes. It is classified under ECCN EAR99 and HTSUS 8542.39.0001, and it complies with REACH regulations, being REACH unaffected. The moisture sensitivity level (MSL) is rated at 1 (unlimited), indicating excellent resistance to moisture, which is crucial for reliable performance in various environmental conditions.

LM2903IMX Features

• Wide Supply Voltage Range: The LM2903IMX operates from 2V to 36V for single supply and ±1V to ±18V for dual supply, providing flexibility across different power requirements.
• Low Input Offset Voltage: With a maximum input offset voltage of 7mV at 5V, the comparator ensures high accuracy in voltage level detection.
• Low Input Bias Current: The maximum input bias current of 0.25µA at 5V minimizes the impact on the input signal source, maintaining signal integrity.
• Low Quiescent Current: Consuming up to 2.5mA, the LM2903IMX is energy-efficient, making it suitable for low-power applications.
• Surface-Mount Compatibility: The 8-pin SOIC package is ideal for surface-mount technology (SMT), enabling compact and reliable PCB designs.
• Moisture Resistance: The MSL rating of 1 (unlimited) ensures the IC remains unaffected by moisture, enhancing its reliability in diverse environments.
• Compliance and Standards: The LM2903IMX meets REACH standards and is classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international regulations.

LM2903IMX Applications

The LM2903IMX is well-suited for a variety of applications where precise voltage comparison is essential. Its wide supply voltage range and low power consumption make it ideal for:

• Power Supply Monitoring: Detecting voltage levels to ensure stable power supply operation.
• Battery Management: Monitoring battery voltage to prevent overcharging or undercharging.
• Signal Processing: Comparing signal levels in analog circuits for decision-making processes.
• Automotive Electronics: Ensuring reliable performance in harsh environments with varying power supply conditions.
• Industrial Control Systems: Providing accurate voltage comparisons for control and monitoring tasks.

Conclusion of LM2903IMX

The LM2903IMX is a versatile and reliable general-purpose comparator IC, offering a wide supply voltage range, low input offset voltage, and low power consumption. Despite its obsolete status, its robust performance and compliance with international standards make it a valuable component for various applications. Whether used in power supply monitoring, battery management, or industrial control systems, the LM2903IMX provides accurate voltage comparison with minimal power draw, ensuring reliable and efficient operation.