Product Overview: LM239QT from STMicroelectronics

The LM239QT is a quintessential component designed by STMicroelectronics, tailored for a broad spectrum of applications requiring a high degree of precision and reliability. This device is a part of the LM239 series, which includes low-power quad voltage comparators known for their versatility and dependability in various electronic circuits.

Key Features

• Wide Voltage Range: The LM239QT operates on a wide range of supply voltages, from 2V to 36V for single supply and ±1V to ±18V for dual supplies, making it highly adaptable for diverse applications.
• Low Supply Current Drain: It is designed for minimal power consumption, with a typical supply current drain of only 0.8 mA, which is independent of the supply voltage. This feature is particularly beneficial for battery-powered devices.
• Differential Input Voltage Range: The comparator can handle differential input voltages equal to the supply voltage, granting it the flexibility to work in various configurations.
• Input Offset Voltage: Specifications include a typical input offset voltage of 2 mV and an input offset current of 5 nA, ensuring high accuracy in comparison tasks.
• Output Compatibility: The output can be connected to other voltage levels regardless of the supply voltage, and it is compatible with TTL, MOS, and CMOS logic systems.
• Response Time: It boasts a typical response time of 1.3 µs, contributing to its efficiency in fast-paced environments.

Applications

The LM239QT is suitable for a wide array of applications, such as:

• Limit Comparators
• Simple Analog to Digital Converters (ADCs)
• Voltage Monitoring
• Multivibrators
• Window Comparators

With its robust design and comprehensive features, the LM239QT from STMicroelectronics is an essential building block for precision circuit designs, offering a reliable solution for engineers and designers seeking high-performance voltage comparison capabilities.