ON Semiconductor LM239DR2G - Quad Differential Comparator

The LM239DR2G is a high-precision quad differential comparator designed by ON Semiconductor, renowned for its reliability and performance in a variety of applications. This device is engineered to facilitate systems requiring multiple voltage level detections, making it an ideal choice for industrial, automotive, and consumer electronics that demand high accuracy and robustness.

Key Features

• Wide Voltage Range: The LM239DR2G operates from a single power supply over a wide range of voltages, from 2V to 36V, or dual supplies of ±1V to ±18V, providing flexibility in various power environments.
• Low Input Bias Current: With a design that ensures minimal input bias current, this comparator is suitable for applications that require a high input impedance.
• Low Input Offset Voltage: The device offers a low input offset voltage, which enhances the accuracy of the system by minimizing error.
• Offset Voltage Adjustment: It also includes an option for the user to adjust the offset voltage, allowing for fine-tuning in precision applications.
• Output Compatibility: The output of the LM239DR2G can be connected to other voltage levels, such as TTL, MOS, or CMOS, without the need for an external pull-up resistor.
• Common Mode Input Voltage Range: The comparator includes a common mode input voltage range that goes to ground level, even when operating from a single power supply, enhancing its versatility.
• Temperature Range: It is designed to operate over an extended industrial temperature range from -40°C to +85°C, ensuring reliable performance in harsh conditions.

Applications

The LM239DR2G is adept at handling applications that require multiple voltage level detections. Its typical applications include:

• Limit comparators
• Simple analog-to-digital converters (ADCs)
• DC motor controllers
• Battery chargers
• Window comparators
• Voltage monitoring
• Alarm and warning systems

With its robust design and versatile features, the ON Semiconductor LM239DR2G is a solid choice for designers looking to implement an efficient and reliable comparator in their electronic circuits.