TDA2009A

Overview

The TDA2009A is a Class AB dual Hi-Fi audio power amplifier designed for high-quality stereo applications. It delivers a minimum output power of 10 W per channel at 4 Ω and 5 W per channel at 8 Ω with 1% distortion at a 24 V supply. The device supports a supply voltage range from 8 V to 28 V, features a high current capability up to 3.5 A, and includes AC short circuit protection and thermal overload protection.

Feature Summary

• Class AB dual-channel architecture optimized for high-fidelity stereo audio reproduction
• Integrated thermal shutdown and AC short-circuit protection mechanisms
• High peak current capability supporting demanding speaker loads
• Simplified implementation requiring minimal external components

Applications

• Hi-Fi stereo amplifiers
• Music center systems
• Bridge-connected mono amplifier configurations

Procurement Notes

Verify the specific package variant and manufacturer date code against the official STMicroelectronics datasheet before procurement. Confirm that the component meets the required thermal dissipation specifications for the intended application environment. Ensure compatibility with the designated mounting hardware for the Multiwatt package.

Selection Notes

Select this component for designs requiring robust single-supply stereo amplification with built-in protection. Evaluate the thermal resistance requirements based on the expected ambient temperature and heatsink size. Ensure the closed-loop gain setting remains above 26 dB to maintain stability and proper operation within the specified electrical parameters.

Part Context

This part belongs to the TDA2009 series of audio power amplifiers manufactured by STMicroelectronics. It utilizes the Multiwatt 11-pin package to facilitate efficient heat dissipation and straightforward installation. The device is engineered specifically for consumer audio equipment where space efficiency and cost reduction are critical design factors.

Replacement Considerations

No officially confirmed substitute part numbers are documented in the provided source material.