The LM239AN is a versatile and high-performance device designed and manufactured by STMicroelectronics. This precision quad comparator is widely used in various applications, including industrial, automotive, and consumer electronics. It integrates four independent voltage comparators that are capable of operating at power supply voltages ranging from 2V to 36V for single supply operation and ±1V to ±18V for dual supply operation. This flexibility makes the LM239AN suitable for a broad array of electronic circuits.

Key Features

• Wide Voltage Range: The device can function with a wide range of power supply voltages, making it adaptable to numerous applications.
• Low Supply Current: It boasts a low supply current, which enhances its efficiency and makes it ideal for battery-operated devices.
• Input Common-Mode Voltage Range: Includes ground, which allows for direct sensing near ground.
• Differential Input Voltage Range: Equal to the power supply voltage, which offers improved flexibility in circuit design.
• Open Collector Outputs: These outputs can be connected to other open-collector outputs to achieve wired-AND relationships.
• Low Input Bias Current: This feature ensures minimal impact on the rest of the circuit and reduces overall power consumption.

Applications

The LM239AN is ideal for a variety of applications, including:

• Limit comparators
• Simple analog to digital converters
• Voltage monitors
• Motor controllers
• Relay drivers
• Practical level shifters
• Window detectors

Package and Quality

The LM239AN is offered in a standard DIP-14 (Dual In-line Package) that ensures ease of integration into printed circuit boards. STMicroelectronics is committed to delivering high-quality products, and the LM239AN is no exception. It is designed to meet the stringent requirements of the industrial market, ensuring reliability and performance in the most demanding conditions.

For engineers and designers looking for a reliable and efficient voltage comparator, the LM239AN from STMicroelectronics is an excellent choice that combines performance with versatility.