STMicroelectronics

TDA7386  

Audio Amplifiers

TDA7386 Description

The TDA7386 is a Class AB quad audio power amplifier from STMicroelectronics, designed to deliver 45W per channel at 4Ω with a supply voltage range of 8V to 18V. Packaged in a 25FLEXIWATT through-hole tube, this IC is optimized for high-performance automotive and consumer audio applications. Although marked as obsolete, its robust design and proven reliability make it a viable choice for legacy systems or specific industrial uses. The device complies with REACH Unaffected and EAR99 regulations, ensuring environmental and export compliance.

TDA7386 Features

• High Output Power: 45W x 4 channels at 4Ω, enabling loud and clear audio reproduction.
• Wide Voltage Range: Operates from 8V to 18V, suitable for automotive electrical systems (12V nominal).
• Class AB Topology: Balances efficiency and audio fidelity, minimizing distortion.
• Thermal & Short-Circuit Protection: Enhances durability in demanding environments.
• Low Noise & High SNR: Ensures clean audio output, critical for premium sound systems.
• Moisture Sensitivity Level (MSL) 1: Suitable for long-term storage without humidity concerns.

TDA7386 Applications

• Automotive Audio Systems: Ideal for car head units, amplifiers, and OEM audio upgrades due to its wide voltage tolerance.
• Home Audio Equipment: Powers multi-channel speaker setups in home theaters or stereo systems.
• Industrial PA Systems: Reliable for public address systems requiring consistent performance.
• Legacy Electronics Repair: A go-to solution for servicing older audio devices needing a drop-in replacement.

Conclusion of TDA7386

The TDA7386 stands out for its high power output, rugged design, and automotive-grade resilience, making it a preferred choice for audio amplification in harsh environments. While newer Class D amplifiers may offer higher efficiency, the TDA7386 remains a dependable option for applications prioritizing audio quality and simplicity. Its obsolete status may limit new designs, but its legacy performance ensures continued relevance in repair and niche markets.

TDA7386 Documents

Download datasheets and manufacturer documentation for TDA7386

Datasheets :

TDA7386      

HTML Datasheet :

TDA7386