Texas Instruments

LM393DE4  

Linear Comparators

LM393DE4 Description

The LM393DE4 is a general-purpose comparator IC featuring two differential inputs, designed for surface-mount applications. Manufactured by Texas Instruments, this IC is housed in an 8-pin SOIC package and is known for its robust performance and wide operating voltage range. Despite being marked as obsolete, the LM393DE4 remains a reliable choice for various electronic circuits due to its compliance with REACH and ROHS3 standards, ensuring environmental and safety standards are met.

LM393DE4 Features

• High Output Current: The LM393DE4 can deliver a typical output current of 20mA, making it suitable for driving various loads efficiently.
• Low Quiescent Current: With a maximum quiescent current of 2.5mA, this IC is ideal for low-power applications, ensuring minimal power consumption during operation.
• Wide Operating Voltage Range: The LM393DE4 operates within a single supply voltage range of 2V to 36V and dual supply voltages of ±1V to ±18V, offering flexibility in different power supply configurations.
• Low Input Offset Voltage: The maximum input offset voltage is only 5mV at 30V, ensuring high accuracy and precision in voltage comparisons.
• Low Input Bias Current: With a maximum input bias current of 0.25µA at 5V, the LM393DE4 minimizes the impact of input bias on the circuit, enhancing overall performance.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the LM393DE4 is not sensitive to moisture, making it suitable for a wide range of environmental conditions.
• Operating Temperature Range: The LM393DE4 operates reliably within a temperature range of 0°C to 70°C, ensuring stability in various ambient conditions.

LM393DE4 Applications

The LM393DE4 is versatile and can be used in a variety of applications, including:

• Signal Processing: Ideal for comparing and processing analog signals in various electronic systems.
• Power Management: Used in voltage monitoring and control circuits to ensure stable power supply levels.
• Control Systems: Suitable for use in feedback loops and control mechanisms where precise voltage comparisons are required.
• Automotive Electronics: Given its wide operating voltage range and robustness, the LM393DE4 is well-suited for automotive applications where reliability and precision are critical.
• Industrial Automation: Can be employed in industrial control systems for monitoring and controlling various parameters.

Conclusion of LM393DE4

The LM393DE4, despite being marked as obsolete, continues to offer significant value in the electronics industry due to its robust performance and compliance with environmental standards. Its wide operating voltage range, low quiescent current, and high output current make it a reliable choice for a variety of applications. Whether used in signal processing, power management, or control systems, the LM393DE4 ensures precision and reliability, making it a preferred choice for engineers and designers looking for a dependable comparator IC.

LM393DE4 Documents

Download datasheets and manufacturer documentation for LM393DE4

Datasheets :

LM193,293,393(A), 2903(V) Datasheet      

PCN Obsolescence/ EOL :

LM293/393/2903 obs 03/Nov/2022