STMicroelectronics

TDA7240AV

TDA7240AV Description

The TDA7240AV from STMicroelectronics is a Class AB monolithic audio power amplifier designed for high-performance single-channel applications. With a maximum output power of 20W at 4Ω, it operates within a supply voltage range of 8V to 18V, making it suitable for various audio systems. Packaged in a 7-HEPTAWATT (Multiwatt7) through-hole form factor, this IC is RoHS3 compliant and adheres to REACH Unaffected standards. Although marked as obsolete, it remains a reliable choice for legacy designs due to its robust performance and ease of integration.

TDA7240AV Features

• High Output Power: Delivers 20W RMS at 4Ω, ensuring strong audio amplification for medium-power applications.
• Wide Voltage Range: Operates from 8V to 18V, providing flexibility in power supply design.
• Class AB Efficiency: Balances low distortion and moderate power efficiency, ideal for high-fidelity audio.
• Robust Packaging: Multiwatt7 through-hole package enhances thermal dissipation and mechanical stability.
• Compliance: Meets RoHS3 and REACH Unaffected environmental standards, with MSL 1 (Unlimited) moisture sensitivity.
• Legacy Reliability: Despite being obsolete, it offers proven performance in industrial and consumer audio systems.

TDA7240AV Applications

• Car Audio Systems: Ideal for head units and external amplifiers due to its 12V compatibility.
• Home Stereo Amplifiers: Suitable for bookshelf speakers or compact audio setups requiring 20W output.
• Public Address (PA) Systems: Used in small venues or background music systems for clear sound reproduction.
• Legacy Electronics Repair: A go-to replacement for older audio equipment due to its through-hole design.

Conclusion of TDA7240AV

The TDA7240AV is a versatile, medium-power Class AB amplifier with a strong legacy in consumer and industrial audio applications. Its 20W output, wide voltage range, and robust packaging make it a dependable choice for car audio, home systems, and PA setups. While newer alternatives exist, its proven reliability and compliance ensure continued relevance in repair and niche designs. For engineers seeking a cost-effective, high-performance mono amplifier, the TDA7240AV remains a compelling option.