ROHM Semiconductor

LM2903EYFJ-CE2

LM2903EYFJ-CE2 Description

The LM2903EYFJ-CE2 is a high-performance, general-purpose comparator designed for automotive applications. Manufactured by ROHM Semiconductor, this device is part of the EMARMOUR™ series, known for its robustness and reliability in demanding environments. The LM2903EYFJ-CE2 features a surface-mount package, making it suitable for compact and space-efficient designs. It is available in an 8SOP package and is distributed in tape and reel format, facilitating automated assembly processes.

This comparator offers a wide supply voltage range, operating from 3V to 36V for single supply and ±1.5V to ±18V for dual supply configurations. It includes two independent comparator elements, each with a maximum input offset voltage of 5mV at 5V, ensuring high accuracy and precision in signal comparison. The device also boasts a low input bias current of 0.25µA at 5V and a quiescent current of up to 1mA, contributing to its energy efficiency.

The LM2903EYFJ-CE2 is designed to withstand harsh conditions, with a moisture sensitivity level (MSL) of 1, indicating unlimited exposure to moisture without degradation in performance. This makes it ideal for automotive applications where reliability and durability are paramount.

LM2903EYFJ-CE2 Features

• Automotive Grade: Certified for use in automotive applications, ensuring high reliability and performance in demanding environments.
• Wide Operating Voltage Range: Capable of operating from 3V to 36V for single supply and ±1.5V to ±18V for dual supply, providing flexibility in various power supply configurations.
• Low Input Offset Voltage: A maximum input offset voltage of 5mV at 5V ensures high accuracy in signal comparison, making it suitable for precision applications.
• Low Input Bias Current: With a maximum input bias current of 0.25µA at 5V, the comparator minimizes loading effects on the input signal.
• Low Quiescent Current: A maximum quiescent current of 1mA contributes to energy efficiency, making it suitable for battery-powered and low-power applications.
• Surface-Mount Package: The 8SOP package is ideal for surface-mount technology (SMT), enabling compact and space-efficient designs.
• Moisture Sensitivity Level 1: Unlimited exposure to moisture without degradation in performance, ensuring durability in harsh environments.
• Tape & Reel Packaging: Facilitates automated assembly processes, enhancing manufacturing efficiency.

LM2903EYFJ-CE2 Applications

The LM2903EYFJ-CE2 is well-suited for a variety of automotive applications where high reliability, precision, and compact design are essential. Specific use cases include:

• Battery Management Systems: Monitoring battery voltage levels to ensure safe and efficient operation.
• Sensor Signal Processing: Comparing sensor output signals to reference levels for accurate control and monitoring.
• Power Supply Monitoring: Ensuring stable power supply levels and detecting over-voltage or under-voltage conditions.
• Automotive Control Units: Providing reliable signal comparison for critical control functions.
• Safety-Critical Systems: Ensuring accurate and reliable signal processing in systems where failure is not an option.

Conclusion of LM2903EYFJ-CE2

The LM2903EYFJ-CE2 is a versatile and reliable general-purpose comparator designed for automotive applications. Its wide operating voltage range, low input offset voltage, and low quiescent current make it suitable for a variety of precision applications. The surface-mount package and moisture sensitivity level 1 ensure durability and compact design, making it ideal for space-constrained environments. With its robust performance and automotive-grade certification, the LM2903EYFJ-CE2 stands out as a reliable choice for engineers seeking high performance and reliability in their designs.