STMicroelectronics

LM2903BYST  

Linear Comparators

LM2903BYST Description

The LM2903BYST is a high-performance linear comparator designed for a wide range of applications in the automotive industry. Manufactured by STMicroelectronics, this device is part of the Linear ICs category and is known for its robustness and reliability. The LM2903BYST features a dual comparator configuration, making it ideal for applications requiring multiple signal comparisons. It operates over 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.

LM2903BYST Features

• High Output Current: The LM2903BYST provides a typical output current of 22mA, which is significantly higher than many comparable devices, ensuring strong drive capabilities for various loads.
• Low Quiescent Current: With a maximum quiescent current of only 2.5mA, the LM2903BYST is highly energy-efficient, making it suitable for battery-powered and low-power applications.
• Low Input Bias Current: The maximum input bias current is 0.15µA at 36V, which minimizes the impact on the input signal source, ensuring high accuracy and stability in signal processing.
• Low Input Offset Voltage: The maximum input offset voltage is 4mV at 36V, which is crucial for precise voltage comparisons and ensures high accuracy in comparator applications.
• Wide Operating Voltage Range: The device operates over a wide voltage range, making it versatile and suitable for various power supply configurations.
• Automotive Grade: The LM2903BYST is designed to meet the stringent requirements of the automotive industry, ensuring high reliability and performance in harsh environments.
• Compliance and Packaging: The LM2903BYST is REACH unaffected and RoHS3 compliant, adhering to environmental and safety standards. It is available in bulk packaging, making it suitable for large-scale production.

LM2903BYST Applications

The LM2903BYST is ideal for a variety of applications, particularly in the automotive sector, where reliability and performance are paramount. Some specific use cases include:

• Battery Management Systems: The low quiescent current and high output current make it suitable for monitoring and managing battery levels in electric and hybrid vehicles.
• Sensor Signal Processing: The low input bias and offset voltages ensure accurate processing of sensor signals, making it ideal for applications such as temperature, pressure, and proximity sensors.
• Power Supply Monitoring: The wide operating voltage range and high accuracy make it suitable for monitoring and controlling power supplies in automotive electronic systems.
• Signal Conditioning: The dual comparator configuration allows for efficient signal conditioning and comparison, making it useful in control systems and signal processing applications.

Conclusion of LM2903BYST

The LM2903BYST from STMicroelectronics stands out as a high-performance linear comparator tailored for automotive applications. Its unique features, such as high output current, low quiescent current, and low input bias and offset voltages, provide significant advantages over similar models. The wide operating voltage range and automotive-grade reliability further enhance its suitability for demanding applications. Whether used in battery management, sensor signal processing, or power supply monitoring, the LM2903BYST offers precise and efficient performance, making it an ideal choice for engineers and designers in the automotive electronics industry.

LM2903BYST Documents

Download datasheets and manufacturer documentation for LM2903BYST