STMicroelectronics

LM393AQT

LM393AQT Description

The LM393AQT is a general-purpose comparator IC designed by STMicroelectronics. This obsolete product features two independent comparators housed in an 8-lead micro small outline no-lead (UFSON) package. Despite its obsolete status, the LM393AQT remains a reliable choice for various applications due to its robust performance and compliance with industry standards such as REACH and ROHS3. The device operates from a wide supply voltage range of 2V to 36V for single supply and ±1V to ±18V for dual supply, making it versatile for different power requirements.

LM393AQT Features

• Dual Comparators: The LM393AQT includes two independent comparators, allowing for multiple signal comparisons within a single package. This dual functionality reduces the need for multiple ICs, saving space and cost.
• Wide Operating Voltage Range: With a supply voltage range of 2V to 36V for single supply and ±1V to ±18V for dual supply, the LM393AQT can be used in a variety of power configurations, enhancing its versatility.
• Low Quiescent Current: The maximum quiescent current of 2.5mA ensures minimal power consumption, making the LM393AQT suitable for low-power applications.
• Surface Mount Packaging: The surface mount technology (SMT) of the LM393AQT allows for easy integration into modern PCB designs, facilitating automated assembly processes.
• Moisture Sensitivity Level (MSL) 1: The MSL 1 rating indicates that the LM393AQT is not moisture-sensitive, making it suitable for storage and handling without additional precautions.
• Compliance: The LM393AQT is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards for electronic components.

LM393AQT Applications

The LM393AQT is ideal for a range of applications where general-purpose comparators are required. Some specific use cases include:

• Signal Processing: The dual comparators can be used to process and compare multiple signals, making the LM393AQT suitable for applications such as level detection and signal conditioning.
• Power Management: The wide operating voltage range and low quiescent current make the LM393AQT a good choice for power management circuits, where precise voltage monitoring and control are necessary.
• Automotive and Industrial: The robustness and compliance with industry standards make the LM393AQT suitable for automotive and industrial applications where reliability and environmental compliance are critical.
• Consumer Electronics: The compact size and surface mount packaging make the LM393AQT ideal for consumer electronics where space is limited and high-density PCB design is required.

Conclusion of LM393AQT

The LM393AQT, despite being an obsolete product, remains a valuable component in the electronics industry due to its robust performance and compliance with industry standards. Its dual comparators, wide operating voltage range, and low quiescent current make it a versatile and reliable choice for various applications. The surface mount packaging and moisture sensitivity level 1 rating further enhance its usability and ease of integration. While newer alternatives may offer additional features, the LM393AQT continues to serve as a dependable option for general-purpose comparator needs.