Texas Instruments

LM2903M  

Linear Comparators

LM2903M Description

The LM2903M is a general-purpose comparator IC designed by Texas Instruments, featuring a robust set of specifications that make it suitable for a wide range of applications. This 8-pin SOIC package houses two independent comparators, each capable of delivering up to 16mA of output current at 5V. The LM2903M operates within a broad supply voltage range of 2V to 36V for single supply and ±1V to ±18V for dual supply, ensuring compatibility with various power configurations. The device is designed to minimize power consumption, with a quiescent current of only 2.5mA and an input bias current of 0.25µA at 5V. The input offset voltage is kept low at a maximum of 7mV when operating at 30V, ensuring precise comparisons. The LM2903M is RoHS3 compliant and unaffected by REACH regulations, making it suitable for environmentally conscious designs. It also features a moisture sensitivity level (MSL) of 1, indicating unlimited exposure to moisture, which is ideal for surface mount applications. The product is categorized under Linear IC Chips and is available in a tube package.

LM2903M Features

• High Output Current: The LM2903M can deliver up to 16mA of output current at 5V, making it suitable for driving various loads directly.
• Wide Operating Voltage Range: With a supply voltage range of 2V to 36V (single) and ±1V to ±18V (dual), the LM2903M is versatile and can be used in a variety of power supply configurations.
• Low Quiescent Current: The maximum quiescent current of 2.5mA ensures minimal power consumption, which is beneficial for battery-powered and energy-efficient designs.
• Low Input Bias Current: The maximum input bias current of 0.25µA at 5V ensures high input impedance, reducing the loading effect on the input signal sources.
• Low Input Offset Voltage: The maximum input offset voltage of 7mV at 30V ensures accurate comparisons, making it suitable for precision applications.
• Environmental Compliance: The LM2903M is RoHS3 compliant and unaffected by REACH regulations, making it suitable for environmentally conscious designs.
• Moisture Sensitivity Level 1: The MSL of 1 indicates unlimited exposure to moisture, making it ideal for surface mount applications.
• Surface Mount Compatibility: The LM2903M is available in an 8-pin SOIC package, which is suitable for surface mount technology (SMT) and facilitates automated assembly processes.

LM2903M Applications

The LM2903M is ideal for a variety of applications due to its robust performance and versatility. Some specific use cases include:

• Signal Processing: The LM2903M can be used in signal processing circuits to compare input signals and generate output signals based on predefined thresholds.
• Power Management: Its wide operating voltage range and low quiescent current make it suitable for power management applications, such as battery monitoring and voltage level detection.
• Automotive Electronics: The LM2903M's ability to operate over a wide temperature range and its surface mount compatibility make it suitable for automotive applications, such as engine control units and sensor interfaces.
• Industrial Control: The device can be used in industrial control systems for monitoring and controlling various parameters, such as temperature, pressure, and flow rates.
• Consumer Electronics: The LM2903M can be used in consumer electronics for applications such as audio signal processing, power supply monitoring, and sensor interfacing.

Conclusion of LM2903M

The LM2903M is a versatile and reliable general-purpose comparator IC that offers a combination of high output current, wide operating voltage range, and low power consumption. Its low input offset voltage and input bias current ensure accurate and precise comparisons, making it suitable for a wide range of applications. The LM2903M's environmental compliance and surface mount compatibility further enhance its suitability for modern electronic designs. Whether used in signal processing, power management, automotive electronics, industrial control, or consumer electronics, the LM2903M provides a robust and reliable solution for comparator needs.

LM2903M Documents

Download datasheets and manufacturer documentation for LM2903M

PCN Assembly/Origin :

Mult Devices 21/Aug/2017      

Datasheets :

LM193,2903,293,393      

Reference Design Library :

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

PCN Obsolescence/ EOL :

EOL 16/Oct/2023      

HTML Datasheet :

LM193,2903,293,393