Texas Instruments

LM2903PSR  

Linear Comparators

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.

LM2903PSR Documents

Download datasheets and manufacturer documentation for LM2903PSR

Datasheets :

LM193,293(A),LM393(A),2903(V)      

Reference Design Library :

TIDA-01519: Fire & Carbon Monoxide Alarm Detector Reference Design with Low BOM Cost      

HTML Datasheet :

LM193,293(A),LM393(A),2903(V)