The LM393N/NOPB is a versatile and widely-used dual differential comparator produced by Texas Instruments, designed for applications requiring a precise and reliable method to compare different voltage levels. This comparator is capable of operating from a single power supply over a wide range of voltages, or from dual supplies for systems that require a symmetrical power source.

Key Features

• Supply Voltage Range: The device can be powered by a single supply ranging from 2V to 36V, or dual supplies of ±1V to ±18V, making it highly adaptable for various circuit configurations.
• Low Supply Current: It features a low supply current, typically 0.8mA, which is independent of the supply voltage, contributing to energy-efficient designs.
• Low Input Bias Current: The input bias current is 25nA, which ensures minimal impact on the circuits being monitored and increases accuracy.
• Differential Input Voltage Range: The device can handle a differential input voltage range equal to the supply voltage, providing flexibility in measuring signals.
• Output Compatibility: The open collector output allows for wired-AND connections and makes the LM393N/NOPB compatible with a variety of digital logic families.
• Operating Temperature Range: It can operate over a temperature range from 0°C to 70°C, suitable for commercial-grade applications.

Applications

The LM393N/NOPB is commonly used in numerous electronic applications such as:

• Limit comparators
• Simple analog to digital converters
• Voltage monitors
• Relay drivers
• Precision rectifiers
• Motor controllers
• Alarm and security devices

Quality and Reliability

This component is part of Texas Instruments' commitment to high-quality and reliable products. The "NOPB" designation indicates that the product is lead-free (No Lead), in compliance with RoHS (Restriction of Hazardous Substances) regulations, which makes it suitable for use in environmentally sensitive applications.

Overall, the LM393N/NOPB is a practical choice for designers looking for a reliable, cost-effective solution to perform voltage level comparisons in a variety of electronic systems.