onsemi

LM311M

LM311M Description

The LM311M is a general-purpose comparator IC designed for a wide range of applications. Manufactured by onsemi, this device is housed in a tube package and features a surface-mount mounting type. The LM311M operates within a temperature range of 0°C to 70°C, making it suitable for use in various environmental conditions. It is important to note that the LM311M is currently marked as obsolete, which may impact its availability and future support.

LM311M Features

• Operating Temperature: The LM311M operates reliably within a temperature range of 0°C to 70°C, ensuring stable performance in moderate environments.
• Supply Voltage: This comparator supports a wide supply voltage range of 5V to 30V for single supply and ±2.5V to ±15V for dual supply, offering flexibility in power supply requirements.
• Input Offset Voltage: The maximum input offset voltage is 7.5mV at 15V, ensuring high accuracy in voltage comparisons.
• Input Bias Current: With a maximum input bias current of 0.25µA at 15V, the LM311M minimizes the impact of input currents on the overall circuit performance.
• Quiescent Current: The maximum quiescent current is 7.5mA, which helps in reducing power consumption, making it suitable for low-power applications.
• Number of Elements: The LM311M contains a single comparator element, simplifying circuit design and reducing complexity.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the LM311M is highly resistant to moisture, ensuring long-term reliability in humid environments.
• REACH Status: The LM311M is REACH unaffected, complying with environmental regulations and ensuring safe usage.
• ECCN: The Export Control Classification Number (ECCN) for the LM311M is EAR99, indicating that it is not subject to specific export controls.

LM311M Applications

The LM311M is ideal for a variety of applications due to its general-purpose nature and robust performance characteristics. Some specific use cases include:

• Signal Processing: The LM311M can be used in signal processing circuits to compare input signals and generate output based on predefined thresholds.
• Power Management: Its wide supply voltage range and low quiescent current make it suitable for power management applications where efficiency and reliability are critical.
• Control Systems: The comparator can be employed in control systems to monitor and regulate various parameters, ensuring precise control and feedback.
• Consumer Electronics: The LM311M's moderate operating temperature range and surface-mount package make it suitable for consumer electronics where space and thermal management are important considerations.

Conclusion of LM311M

The LM311M is a versatile general-purpose comparator that offers a balance of performance and reliability. Its wide supply voltage range, low input offset voltage, and low quiescent current make it suitable for a variety of applications, from signal processing to power management. Despite being marked as obsolete, the LM311M remains a reliable choice for designers seeking a proven solution. However, users should be aware of its obsolescence status and consider potential alternatives for long-term projects.