Texas Instruments

LM239ADRE4

LM239ADRE4 Description

The LM239ADRE4 is a general-purpose comparator IC from Texas Instruments, featuring four differential input channels in a 14-pin SOIC package. This device is designed for a wide range of applications requiring high performance and reliability. Despite being marked as obsolete, the LM239ADRE4 remains a robust choice for many applications due to its comprehensive feature set and compliance with industry standards such as REACH and ROHS3.

LM239ADRE4 Features

• High Output Current: The LM239ADRE4 offers a typical output current of 20mA, making it suitable for driving various loads efficiently.
• Low Quiescent Current: With a maximum quiescent current of only 2mA, this comparator is ideal for low-power applications, ensuring minimal power consumption during operation.
• Wide Supply Voltage Range: The device operates over a wide supply voltage range of 2V to 30V for single supply and ±1V to ±15V for dual supply, providing flexibility in power supply requirements.
• Low Input Bias Current: The maximum input bias current is 0.25µA at 5V, ensuring minimal offset and high accuracy in signal comparison.
• Low Input Offset Voltage: The maximum input offset voltage is 3mV at 30V, contributing to precise comparison of input signals.
• Moisture Sensitivity Level: The LM239ADRE4 has an MSL of 1 (Unlimited), making it suitable for a wide range of environmental conditions without the need for special handling.
• Compliance: The device is REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental and safety standards.
• Packaging: Available in a tape and reel (TR) package, the LM239ADRE4 is suitable for automated surface mount assembly processes.

LM239ADRE4 Applications

The LM239ADRE4 is versatile and can be employed in a variety of applications, including:

• Signal Processing: Ideal for applications requiring precise signal comparison and processing, such as in analog-to-digital converters and signal conditioning circuits.
• Power Management: Suitable for voltage monitoring and power supply supervision, ensuring reliable operation in power management systems.
• Industrial Control: Can be used in industrial automation and control systems where accurate signal comparison is critical.
• Consumer Electronics: Applicable in consumer electronics for functions such as battery monitoring and sensor interfacing.

Conclusion of LM239ADRE4

The LM239ADRE4 from Texas Instruments is a reliable and versatile general-purpose comparator with a wide range of features that make it suitable for various applications. Despite its obsolete status, its low power consumption, high output current, and wide operating voltage range provide significant advantages over similar models. With its compliance to industry standards and robust performance, the LM239ADRE4 remains a valuable component for engineers and designers in the electronics industry.