Texas Instruments

LM311D

LM311D Description

The LM311D is a general-purpose comparator from Texas Instruments, designed to offer reliable performance in a wide range of applications. This comparator is housed in a surface-mount package, making it suitable for compact and space-efficient designs. The LM311D features a single element with a quiescent current of up to 7.5mA, ensuring low power consumption. It operates within a temperature range of 0°C to 70°C, making it ideal for use in various environmental conditions. The device is compliant with REACH and ROHS3 standards, ensuring it meets regulatory requirements for environmental sustainability and material safety.

LM311D Features

• Low Quiescent Current: The LM311D has a maximum quiescent current of 7.5mA, which is advantageous for applications requiring low power consumption.
• Wide Operating Voltage Range: It supports a supply voltage range of 3.5V to 30V for single supply and ±1.75V to ±15V for dual supply, providing flexibility in power supply configurations.
• Low Input Bias Current: With a maximum input bias current of 0.25µA at ±15V, the LM311D ensures high input impedance, reducing the load on the input signal source.
• Low Input Offset Voltage: The maximum input offset voltage of 7.5mV at ±15V ensures accurate comparisons, making it suitable for precision applications.
• Moisture Sensitivity Level: The MSL level of 1 (unlimited) means the device is not moisture-sensitive, simplifying handling and storage requirements.
• Packaging: The LM311D available is in a tube package, which is convenient for automated assembly processes.

LM311D Applications

The LM311D is well-suited for a variety of applications due to its general-purpose design and robust performance characteristics. Some specific use cases include:

• Signal Processing: Ideal for applications requiring precise signal comparison, such as in analog-to-digital converters and signal conditioning circuits.
• Power Management: Useful in power supply monitoring and control circuits, where accurate voltage level detection is crucial.
• Industrial Control: Suitable for industrial automation systems where reliable and precise comparisons are needed for process control and monitoring.
• Consumer Electronics: Can be employed in consumer devices for functions like battery level detection and voltage monitoring.

Conclusion of LM311D

The LM311D from Texas Instruments is a versatile and reliable general-purpose comparator that offers a combination of low power consumption, wide operating voltage range, and high precision. Its compliance with environmental and safety standards, along with its robust performance, makes it an excellent choice for a wide range of applications. Whether used in signal processing, power management, industrial control, or consumer electronics, the LM311D provides the reliability and precision needed for modern electronic designs.