Texas Instruments

LM2903DRG3  

Linear Comparators

LM2903DRG3 Description

The LM2903DRG3 is a high-performance, general-purpose comparator from Texas Instruments. This device features a dual comparator configuration, making it ideal for applications requiring two independent comparison functions. With a typical output current of 20mA and a maximum quiescent current of 2.5mA, the LM2903DRG3 offers excellent power efficiency. It operates over a wide supply voltage range of 2V to 36V for single supplies and ±1V to ±18V for dual supplies, providing flexibility in various applications.

LM2903DRG3 Features

• Dual Comparator Configuration: The LM2903DRG3's dual comparator design allows for two independent comparison functions in a single package, reducing component count and board space.
• Wide Supply Voltage Range: With a supply voltage range of 2V to 36V for single supplies and ±1V to ±18V for dual supplies, the LM2903DRG3 can be used in a variety of applications with different power requirements.
• Low Power Consumption: The device's maximum quiescent current is 2.5mA, making it suitable for battery-powered applications.
• High Output Current: The LM2903DRG3 can source or sink up to 20mA, allowing it to drive heavy loads directly.
• Low Input Bias Current: With a maximum input bias current of 0.25µA at 5V, the LM2903DRG3 minimizes loading effects on the input signal sources.
• Low Input Offset Voltage: The maximum input offset voltage is 7mV at 30V, ensuring accurate comparison results.

LM2903DRG3 Applications

The LM2903DRG3 is ideal for a variety of applications where accurate and reliable comparison functions are required. Some specific use cases include:

1. Industrial Control Systems: The LM2903DRG3 can be used for threshold detection and signal conditioning in industrial control systems, providing accurate and reliable control.
2. Sensor Signal Processing: In sensor applications, the LM2903DRG3 can be used to compare sensor outputs against reference levels, enabling precise control and monitoring.
3. Audio Equipment: The device can be used for level detection and signal processing in audio equipment, ensuring accurate and distortion-free audio reproduction.
4. Power Management: The LM2903DRG3 can be used for voltage monitoring and protection in power management systems, ensuring safe and efficient operation.

Conclusion of LM2903DRG3

The LM2903DRG3 is a versatile and high-performance dual comparator from Texas Instruments. Its dual comparator configuration, wide supply voltage range, low power consumption, and low input offset voltage make it an excellent choice for a variety of applications requiring accurate and reliable comparison functions. With its robust performance and wide range of applications, the LM2903DRG3 is a valuable addition to any engineer's toolbox.

LM2903DRG3 Documents

Download datasheets and manufacturer documentation for LM2903DRG3

PCN Assembly/Origin :

AMKOR 02/Aug/2016      

Datasheets :

LM193,293,393(A), 2903(V) Datasheet      

Reference Design Library :

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

PCN Other :

BOM/Assembly Site Updates 03/Dec/2014      

PCN Design/Specification :

Assembly Site Add 22/Oct/2015