Texas Instruments

LM124DG4

LM124DG4 Description

The LM124DG4 from Texas Instruments is a general-purpose quad operational amplifier designed for a wide range of analog applications. Housed in a 14-SOIC package, this device integrates four independent op-amps with low input bias current (20 nA) and moderate gain bandwidth (1.2 MHz). It operates over a wide supply voltage range (3V to 30V), making it suitable for both single and dual-supply configurations. With a slew rate of 0.5V/µs and input offset voltage of 3 mV, the LM124DG4 balances performance and cost-effectiveness, ideal for industrial, automotive, and consumer electronics.

LM124DG4 Features

• Quad-channel architecture: Four op-amps in a single package, reducing board space and BOM complexity.
• Low power consumption: 1.4mA per channel supply current, enhancing energy efficiency.
• Wide supply range: Supports 3V to 30V, accommodating diverse power requirements.
• Differential output: Enables precise signal conditioning in noisy environments.
• High output drive: 30mA per channel for driving capacitive or low-impedance loads.
• Robust packaging: 14-SOIC (Surface Mount) with MSL1 (Unlimited) moisture sensitivity, ensuring reliability.
• Compliance: RoHS3 and REACH compliant, meeting environmental standards.

LM124DG4 Applications

• Signal conditioning: Ideal for sensor interfaces, active filters, and data acquisition systems.
• Power management: Used in voltage regulators, battery monitors, and current sensing circuits.
• Industrial controls: Suitable for PLC analog I/O, motor control feedback loops, and process instrumentation.
• Consumer electronics: Enhances audio preamps, LED drivers, and portable device power circuits.
• Automotive systems: Reliable in ECU signal processing and sensor signal amplification.

Conclusion of LM124DG4

The LM124DG4 is a versatile, cost-effective quad op-amp offering a balance of performance, power efficiency, and integration. Its wide voltage range, low bias current, and robust packaging make it a preferred choice for industrial, automotive, and consumer applications. While classified as Last Time Buy, its proven reliability ensures continued suitability for legacy and new designs requiring multi-channel amplification. Engineers value its simplicity, durability, and compliance with modern environmental standards.