Texas Instruments

LM324N

LM324N Description

The LM324N by Texas Instruments is a general-purpose quad operational amplifier housed in a 14-pin DIP package, designed for through-hole mounting. Part of the LinCMOS™ series, it operates over a wide supply voltage range of 3V to 32V, making it highly versatile for both low and high-voltage applications. With four independent op-amps in a single package, it offers space-efficient solutions for multi-channel signal conditioning. The device features a 1.2 MHz gain bandwidth product, 45 nA input bias current, and 2 mV input offset voltage, ensuring reliable performance in precision analog circuits. Its low supply current (1.5mA) and 40 mA output current per channel further enhance efficiency and drive capability.

LM324N Features

• Wide Supply Range: Operates from 3V to 32V, accommodating diverse power requirements.
• Low Power Consumption: 1.5mA supply current minimizes energy usage in battery-powered systems.
• High Output Drive: 40 mA output current per channel supports robust signal amplification.
• Low Input Bias Current: 45 nA ensures minimal loading on signal sources.
• Stable Performance: 1.2 MHz GBW and 2 mV offset voltage for precision applications.
• Robust Packaging: 14-pin DIP for easy prototyping and through-hole PCB designs.
• Compliance: ROHS3 and REACH compliant, with EAR99 ECCN for unrestricted global use.

LM324N Applications

The LM324N excels in general-purpose amplification, signal conditioning, and low-frequency filtering. Key applications include:

• Sensor Interfaces: Ideal for amplifying weak signals from thermocouples, strain gauges, and photodiodes.
• Power Supplies: Used in voltage regulation and feedback control loops due to its wide voltage range.
• Audio Systems: Suitable for preamplifiers, tone control circuits, and active filters.
• Industrial Control: Deployed in motor drivers, comparators, and instrumentation amplifiers.
• Consumer Electronics: Found in battery chargers, LED drivers, and portable devices for its low-power operation.

Conclusion of LM324N

The LM324N stands out as a cost-effective, versatile quad op-amp with broad compatibility and reliable performance. Its wide voltage range, low power consumption, and robust output drive make it a preferred choice for analog circuit designers. Whether in industrial, automotive, or consumer applications, the LM324N delivers precision, efficiency, and durability, backed by Texas Instruments' proven quality. Its through-hole package further simplifies prototyping and integration, ensuring widespread adoption across electronics projects.