Texas Instruments

LM139DRG4  

Linear Comparators

LM139DRG4 Description

The LM139DRG4 is a high-performance, general-purpose comparator IC from Texas Instruments, designed for a wide range of applications requiring precise voltage comparison. This 14-pin SOIC package features four independent differential comparators, making it an ideal choice for applications that require multiple comparison points. The LM139DRG4 operates over a wide supply voltage range of 2V to 30V for single supply and ±1V to ±15V for dual supply, ensuring compatibility with various power supply configurations. It offers a maximum input offset voltage of 5mV at 30V, ensuring high accuracy in voltage comparisons. The device also boasts a low quiescent current of up to 2mA and an output current capability of 20mA, making it suitable for both low-power and high-drive applications.

LM139DRG4 Features

• High Accuracy: With a maximum input offset voltage of 5mV at 30V, the LM139DRG4 ensures precise voltage comparisons, making it suitable for applications requiring high accuracy.
• Wide Operating Voltage Range: The LM139DRG4 operates over a broad supply voltage range of 2V to 30V for single supply and ±1V to ±15V for dual supply, providing flexibility in power supply requirements.
• Low Quiescent Current: The device has a maximum quiescent current of 2mA, making it ideal for low-power applications.
• High Output Current: The LM139DRG4 can deliver up to 20mA of output current, ensuring robust performance in high-drive applications.
• Multiple Comparators: The IC includes four independent differential comparators, allowing for multiple voltage comparison points within a single package.
• Low Input Bias Current: With a maximum input bias current of 0.1µA at 5V, the LM139DRG4 minimizes the impact of input currents on the comparison accuracy.
• Surface Mount Technology: The 14-pin SOIC package is designed for surface mount applications, providing a compact and reliable solution for modern electronic designs.
• Compliance and Reliability: The LM139DRG4 is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited exposure to moisture.

LM139DRG4 Applications

The LM139DRG4 is highly versatile and finds applications in a variety of industries and systems, including:

• Analog 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 overvoltage and undervoltage detection in power supply circuits, ensuring reliable power management.
• Automotive Electronics: Used in various automotive systems for voltage monitoring and control, contributing to the reliability and safety of electronic components.
• Industrial Control Systems: Employed in industrial automation for monitoring and controlling process parameters, ensuring precise and reliable operation.
• Consumer Electronics: Utilized in consumer devices for voltage level detection and control, enhancing the performance and reliability of electronic products.

Conclusion of LM139DRG4

The LM139DRG4 from Texas Instruments is a robust and versatile general-purpose comparator IC, offering high accuracy, wide operating voltage range, and low power consumption. Its multiple comparators and high output current capability make it a valuable component for a wide range of applications, from analog signal processing to power management and industrial control systems. The LM139DRG4's compliance with environmental and regulatory standards ensures its suitability for modern electronic designs, making it an excellent choice for engineers and designers seeking reliable and high-performance solutions.

LM139DRG4 Documents

Download datasheets and manufacturer documentation for LM139DRG4

PCN Assembly/Origin :

Mult Dev 30/Oct/2019      

Datasheets :

LMx39(A), LM2901(AV,V)      

PCN Packaging :

Marking Standardization 21/Dec/2022      

PCN Design/Specification :

Mult Dev Datasheet 11/Dec/2018       Mult Dev 17/Oct/2023