Texas Instruments

LM393PW

LM393PW Description

The LM393PW is a general-purpose, dual comparator from Texas Instruments, designed for various applications that require high precision and reliable performance. With a typical output current of 20mA and a maximum quiescent current of 2.5mA, this comparator offers efficient power management. It operates within a wide supply voltage range of 2V to 36V for single supply and ±1V to ±18V for dual supplies, making it versatile for different power requirements. The LM393PW is designed to work within an operating temperature range of 0°C to 70°C, ensuring reliable performance across various environmental conditions. It is surface mount packaged in a Tube format, facilitating easy integration into circuit designs.

LM393PW Features

• High Output Current: The LM393PW can deliver a typical output current of 20mA, which is beneficial for driving heavy loads.
• Low Quiescent Current: With a maximum quiescent current of 2.5mA, the comparator minimizes power consumption, making it suitable for battery-operated devices.
• Wide Supply Voltage Range: The LM393PW can operate with a single supply voltage from 2V to 36V and a dual supply voltage from ±1V to ±18V, providing flexibility in power source selection.
• Low Input Offset Voltage: The maximum input offset voltage is 5mV at 30V, ensuring high accuracy in comparison operations.
• Low Input Bias Current: The maximum input bias current is 0.25µA at 5V, which is advantageous for applications with high input impedance requirements.
• RoHS Compliance: The LM393PW is compliant with RoHS3, making it suitable for environmentally conscious designs.
• Moisture Sensitivity Level 1: With an MSL of 1, the device can be used in applications with unlimited storage time before reflow soldering.

LM393PW Applications

The LM393PW is ideal for a variety of applications due to its robust feature set and performance capabilities. Some specific use cases include:

• Industrial Control Systems: The LM393PW can be used in control systems for precision monitoring and control of various parameters.
• Sensor Signal Processing: Its low input bias current makes it suitable for processing signals from high-impedance sensors.
• Battery-Powered Devices: The low quiescent current and wide supply voltage range make it an excellent choice for battery-powered applications where power efficiency is critical.
• Automotive Electronics: The comparator's ability to operate over a wide temperature range makes it suitable for automotive applications where reliability is paramount.

Conclusion of LM393PW

While the LM393PW is an obsolete product, it was once a popular choice for its high output current, low quiescent current, and wide operating temperature range. Its unique combination of features made it suitable for a variety of applications, particularly in industrial control systems and sensor signal processing. Although it may no longer be in production, its legacy continues in the form of its successor models, which carry forward the performance benefits and reliability that made the LM393PW a trusted component in the electronics industry.