Texas Instruments

LM2903PSR

LM2903PSR Description

The LM2903PSR is a high-performance, general-purpose comparator IC designed and manufactured by Texas Instruments. This device is part of the Linear IC Chips category and is ideal for a wide range of applications requiring precise voltage comparison. The LM2903PSR features two differential comparators housed in an 8-pin SO package, making it suitable for surface-mount applications.

LM2903PSR Features

Technical Specifications:

• Output Current (Typ): 20mA
• Quiescent Current (Max): 2.5mA
• Input Bias Current (Max): 0.25µA @ 5V
• Input Offset Voltage (Max): 7mV @ 30V
• Supply Voltage Range: 2V to 36V (single supply) and ±1V to ±18V (dual supply)
• Number of Elements: 2
• Package Type: 8SO
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Product Status: Active
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant

Performance Benefits:

• Low Offset Voltage: The maximum input offset voltage of 7mV @ 30V ensures high accuracy in voltage comparison.
• Low Quiescent Current: With a maximum quiescent current of 2.5mA, the LM2903PSR is suitable for low-power applications.
• Wide Supply Voltage Range: The ability to operate from 2V to 36V (single supply) and ±1V to ±18V (dual supply) makes it versatile for various power supply configurations.
• Low Input Bias Current: The maximum input bias current of 0.25µA @ 5V minimizes the impact of input currents on the circuit performance.

Unique Features:

• Dual Comparators: The LM2903PSR includes two differential comparators in a single package, providing space-saving advantages and reducing the need for multiple components.
• Surface-Mount Package: The 8SO package is ideal for modern PCB designs, offering robustness and ease of integration.
• Compliance and Reliability: The device is REACH Unaffected and ROHS3 Compliant, ensuring it meets environmental and safety standards.

LM2903PSR Applications

The LM2903PSR is well-suited for a variety of applications due to its high performance and versatility. 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 voltage monitoring and control in power supplies and battery management systems.
• Automotive Electronics: The wide operating voltage range and low quiescent current make it suitable for automotive applications where power efficiency and reliability are critical.
• Industrial Control: Useful in industrial automation for monitoring and controlling process variables such as temperature, pressure, and flow rates.

Conclusion of LM2903PSR

The LM2903PSR from Texas Instruments is a robust and versatile comparator IC that offers high performance and reliability. Its low offset voltage, low quiescent current, and wide supply voltage range make it an excellent choice for a variety of applications. The inclusion of two differential comparators in a single 8SO package provides significant space-saving advantages, making it ideal for modern, compact PCB designs. With its compliance to environmental and safety standards, the LM2903PSR ensures long-term reliability and sustainability. Whether used in signal processing, power management, automotive electronics, or industrial control, the LM2903PSR delivers exceptional performance and value.