onsemi

LM311MX

LM311MX Description

The LM311MX is a general-purpose comparator IC designed by onsemi, offering robust performance and versatility for a wide range of applications. This IC is housed in an 8-pin SOIC package and is available in a surface-mount configuration, making it suitable for modern, space-constrained designs. The LM311MX operates within a temperature range of 0°C to 70°C, ensuring reliable performance in typical industrial and consumer environments.

Key specifications include a maximum input offset voltage of 7.5mV at 15V, which ensures high accuracy in voltage comparisons. The IC 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 source requirements. The maximum input bias current is 0.25µA at 15V, and the quiescent current is limited to 7.5mA, contributing to low power consumption and efficient operation.

The LM311MX is classified under ECCN EAR99 and HTSUS code 8542.39.0001, and it complies with REACH regulations, being REACH unaffected. It is packaged in a tape and reel (TR) format, facilitating automated assembly processes. Despite its obsolescence status, the LM311MX remains a valuable component for existing designs and legacy systems.

LM311MX Features

• Wide Operating Voltage Range: The LM311MX supports a broad supply voltage range, making it adaptable to various power supply configurations.
• Low Input Offset Voltage: With a maximum input offset voltage of 7.5mV at 15V, the LM311MX ensures precise voltage comparisons, critical for accurate signal processing.
• Low Input Bias Current: The maximum input bias current of 0.25µA at 15V minimizes the impact on the input signal, preserving signal integrity.
• Low Quiescent Current: The maximum quiescent current of 7.5mA contributes to energy-efficient operation, ideal for battery-powered and low-power applications.
• Surface-Mount Compatibility: The surface-mount package type facilitates integration into compact and high-density PCB designs.
• Moisture Sensitivity Level 1: The MSL 1 (unlimited) rating ensures the IC is robust against moisture, enhancing reliability in various environmental conditions.

LM311MX Applications

The LM311MX is well-suited for a variety of applications due to its general-purpose nature and robust performance characteristics. Some specific use cases include:

• Signal Processing: Ideal for applications requiring accurate voltage level detection and comparison, such as in analog-to-digital converters and signal conditioning circuits.
• Power Management: The wide supply voltage range and low quiescent current make it suitable for power monitoring and control systems.
• Consumer Electronics: Suitable for use in devices where space and power consumption are critical, such as portable electronics and home appliances.
• Industrial Control: The operating temperature range and moisture sensitivity level make it suitable for industrial environments, where reliability and durability are paramount.

Conclusion of LM311MX

The LM311MX is a versatile and reliable comparator IC from onsemi, offering a combination of wide operating voltage range, low input offset voltage, and low power consumption. Its surface-mount package and moisture sensitivity level 1 rating make it suitable for modern, compact designs. Despite its obsolescence status, the LM311MX remains a valuable component for existing systems and applications requiring a general-purpose comparator. Its unique features and performance benefits make it an ideal choice for a variety of applications, from signal processing to power management.