STMicroelectronics

L2720

L2720 Description

The L2720 from STMicroelectronics is a general-purpose dual operational amplifier designed for high-current output applications. Packaged in a 16-pin POWERDIP (through-hole mounting) and supplied in tubes, this IC delivers 1.5A output current per channel, making it suitable for driving heavy loads. With a wide supply voltage range (4V to 28V), it accommodates diverse power configurations while maintaining stable performance. Though marked as obsolete, its robust design and high output capability ensure continued relevance in legacy systems and industrial applications.

L2720 Features

• High Output Current: 1.5A per channel enables direct drive of motors, relays, and other high-current devices.
• Wide Supply Range: Operates from 4V to 28V, offering flexibility in power supply design.
• Moderate Speed: 1.2MHz gain bandwidth and 2V/µs slew rate balance performance for general-purpose amplification.
• Low Input Bias Current: 200nA minimizes errors in precision circuits.
• Robust Packaging: Through-hole 16POWERDIP ensures mechanical durability in harsh environments.
• Compliance: ROHS3 Compliant and REACH Unaffected, meeting environmental standards.

L2720 Applications

• Motor Drivers: Ideal for driving small DC motors or stepper motors in automation systems.
• Power Amplifiers: Suitable for audio or signal amplification where high current output is required.
• Industrial Controls: Used in relay drivers, solenoid actuators, and power supply regulation circuits.
• Legacy Systems: Maintains functionality in older equipment requiring high-current op-amps.

Conclusion of L2720

The L2720 stands out for its high output current and wide voltage range, making it a versatile choice for power-intensive analog applications. While newer alternatives may offer improved efficiency, its rugged design and reliability ensure it remains a practical solution for industrial and high-current scenarios. Engineers working with legacy systems or demanding loads will find its performance-to-cost ratio advantageous.