Texas Instruments

LM311MX  

Linear Comparators

LM311MX Description

The LM311MX is a general-purpose comparator designed by Texas Instruments, offering robust performance and reliability for a variety of applications. This comparator is housed in an 8-pin SOIC package, making it suitable for surface-mount applications. The LM311MX is currently in the "Last Time Buy" phase, indicating that it is a mature product with limited availability for future purchases. It complies with REACH regulations and is ROHS3 compliant, ensuring it meets environmental and safety standards.

LM311MX Features

• Operating Temperature Range: The LM311MX operates within a temperature range of 0°C to 70°C, making it suitable for applications in moderate environments.
• Supply Voltage Flexibility: It supports a wide supply voltage range of 5V to 30V for single supply and ±2.5V to ±15V for dual supply, providing flexibility in power requirements.
• Low Quiescent Current: With a maximum quiescent current of 7.5mA, the LM311MX is energy-efficient, making it ideal for low-power applications.
• Low Input Bias Current: The maximum input bias current is 0.25µA at ±15V, ensuring high accuracy and minimal offset in signal processing.
• Low Input Offset Voltage: The maximum input offset voltage is 7.5mV at 15V, contributing to precise comparisons and minimal errors.
• Moisture Sensitivity Level: The MSL level is 1 (Unlimited), indicating that the device is not sensitive to moisture, which is beneficial for applications in humid environments.
• Packaging: The LM311MX is available in a Tape & Reel (TR) package, facilitating automated assembly processes.

LM311MX Applications

The LM311MX is a versatile comparator suitable for a wide range 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.
• Control Systems: Used in control systems where accurate voltage or current level detection is required, such as in motor control and power management systems.
• Audio Applications: Suitable for audio equipment where low noise and high accuracy are critical, such as in preamplifiers and audio signal processors.
• Industrial Automation: Useful in industrial settings for monitoring and controlling various parameters, such as temperature, pressure, and flow rates.
• Consumer Electronics: Employed in consumer electronics for tasks like battery monitoring, voltage regulation, and signal amplification.

Conclusion of LM311MX

The LM311MX from Texas Instruments is a reliable and versatile comparator that offers a balance of performance and efficiency. Its wide operating voltage range, low quiescent current, and low input offset voltage make it an excellent choice for a variety of applications, from signal processing to industrial automation. The device's compliance with environmental regulations and its surface-mount package further enhance its appeal for modern electronic designs. While the LM311MX is in the "Last Buy Time" phase, it remains a valuable component for engineers and designers looking for a proven solution in their projects.

LM311MX Documents

Download datasheets and manufacturer documentation for LM311MX

EOL :

Product Discontinuance Notification (PDF)      

Images :

Mechanical Outline Drawing      

PCN :

Alternate Laser Marking Process Sequence for SOIC package (PDF)       Product Change Notification (PDF)      

Models :

LM311MX Symbol & Footprint by SnapMagic      

Application Notes :

AN-298 Isolation Techniques for Signal Conditioning (Rev. B)       AN-288 System-Oriented DC-DC Conversion Techniques (Rev. B)       Intro MF10 - Versatile Mono Active Filter Building Blk (Rev. C)       Circuit Techniques for Avoiding Oscillations in Comparator Applications