STMicroelectronics

LM224AN

LM224AN Description

The LM224AN is a general-purpose operational amplifier (op-amp) designed by STMicroelectronics, a leading manufacturer of semiconductor devices. This op-amp is housed in a through-hole package and features four independent circuits, making it suitable for a variety of analog signal processing applications. With a supply voltage range of 3V to 30V, the LM224AN offers flexibility in power supply design. It has a gain bandwidth product of 1.3 MHz and a slew rate of 0.4V/µs, ensuring stable performance across a wide range of frequencies. The input bias current is as low as 20 nA, and the input offset voltage is 2 mV, which minimizes errors in precision applications. Each channel can source or sink up to 30 mA of current, providing robust output drive capabilities. The LM224AN is also compliant with RoHS3 and REACH regulations, ensuring environmental sustainability and regulatory adherence.

LM224AN Features

• Wide Supply Voltage Range: Operates from 3V to 30V, making it suitable for both low-voltage and high-voltage applications.
• High Gain Bandwidth Product: 1.3 MHz ensures high-frequency performance, ideal for applications requiring wide bandwidth.
• Low Input Bias Current: 20 nA reduces the impact of input bias current on the overall circuit performance.
• Low Input Offset Voltage: 2 mV ensures high accuracy in precision applications.
• Robust Output Drive: Each channel can source or sink up to 30 mA, providing strong output drive capabilities.
• Environmental Compliance: RoHS3 and REACH compliance ensures the product meets environmental and regulatory standards.
• Through-Hole Mounting: Facilitates easy integration into printed circuit boards and robust mechanical stability.
• Four Independent Circuits: Provides flexibility in designing complex analog circuits with multiple amplification stages.

LM224AN Applications

The LM224AN is versatile and can be used in a variety of applications due to its general-purpose design and robust performance characteristics. Some specific use cases include:

• Signal Conditioning: Ideal for amplifying and conditioning weak signals in sensors and transducers.
• Audio Amplification: Suitable for low-frequency audio applications due to its wide supply voltage range and high gain bandwidth.
• Power Supply Circuits: Can be used in voltage regulators and power amplifiers for stable output voltage control.
• Instrumentation Amplifiers: Useful in precision measurement equipment where low input offset voltage and bias current are critical.
• Active Filters: Can be employed in designing active filters for signal processing applications.

Conclusion of LM224AN

The LM224AN is a robust and versatile general-purpose operational amplifier that offers a wide range of features and benefits. Its wide supply voltage range, high gain bandwidth product, and low input bias current make it suitable for a variety of applications, from signal conditioning to audio amplification. The through-hole mounting and four independent circuits provide flexibility in design, while environmental compliance ensures it meets regulatory standards. Although the product status is marked as obsolete, the LM224AN remains a reliable choice for engineers and designers looking for a high-performance op-amp in their analog circuit designs.