The LM324N is a quad operational amplifier designed for a wide range of applications in consumer electronics, industrial control systems, and automotive electronics. This cost-effective and versatile chip has four independent operational amplifiers with a common mode input voltage range that includes ground, and an output voltage range that also includes ground. With a low input bias current, low input offset voltage, and low supply current, the LM324N is an ideal choice for applications such as signal conditioning, sensor amplification, and voltage and current measurement. Its wide supply voltage range and high slew rate make it suitable for high-performance audio applications as well. The LM324N is available in a variety of package options, including the popular DIP and SOIC packages, making it easy to integrate into your design. With its wide range of applications, low cost, and reliable performance, the LM324N is a go-to choice for engineers looking for a versatile and dependable operational amplifier solution.