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LM311M

LM311M Description

The LM311M is a general-purpose comparator designed for a wide range of applications requiring precise voltage comparison. Manufactured by National Semiconductor, this IC is part of the Linear IC Chips category and is housed in an 8-pin SOIC package. The LM311M operates within a temperature range of 0°C to 70°C, making it suitable for various industrial and commercial environments.

Key specifications include an input offset voltage of up to 7.5mV at 15V, ensuring high accuracy in voltage comparison tasks. The device can operate with a supply voltage ranging from 5V to 30V for single supply and ±2.5V to ±15V for dual supply, providing flexibility in power requirements. The LM311M features a low input bias current of up to 0.25µA at 15V and a quiescent current of up to 7.5mA, contributing to its energy efficiency.

LM311M Features

• Operating Temperature Range: 0°C to 70°C, ensuring reliability in standard operating conditions.
• Input Offset Voltage: Max 7.5mV @ 15V, providing high precision in voltage comparison.
• Supply Voltage Flexibility: Operates on a single supply of 5V to 30V or dual supply of ±2.5V to ±15V.
• Low Input Bias Current: Max 0.25µA @ 15V, minimizing the impact on the input signal.
• Low Quiescent Current: Max 7.5mA, enhancing energy efficiency.
• Surface Mount Packaging: Ideal for compact and high-density PCB designs.
• General-Purpose Comparator: Versatile for a wide range of applications.
• REACH Compliance: REACH Unaffected, ensuring regulatory compliance for environmental and health standards.
• Active Product Status: Continuously supported and available for purchase.

LM311M Applications

The LM311M is well-suited for applications requiring precise voltage comparison and control. Its versatility makes it ideal for:

• Signal Processing: Used in analog signal processing circuits to compare and control signal levels.
• Level Shifting: Ideal for converting voltage levels between different parts of a system.
• Window Detectors: Useful in applications where a signal must be within a specific voltage range.
• Power Supply Monitoring: Monitors voltage levels to ensure proper operation and protection of electronic systems.
• Automotive Electronics: Suitable for various automotive applications due to its operating temperature range and reliability.
• Industrial Control Systems: Provides accurate voltage comparison for control and monitoring tasks in industrial environments.

Conclusion of LM311M

The LM311M is a robust and versatile general-purpose comparator that offers high precision and flexibility in a compact surface-mount package. Its low input offset voltage and low quiescent current make it an energy-efficient choice for a wide range of applications. With its broad operating temperature range and compliance with REACH standards, the LM311M is an ideal solution for designers looking for a reliable and efficient comparator. Whether used in signal processing, power supply monitoring, or industrial control systems, the LM311M delivers consistent performance and reliability.