TDA7454

Overview

The TDA7454 is a Class-AB, four-channel automotive audio amplifier manufactured by STMicroelectronics. It delivers 60 W of output power into a 4 Ohm load with a total harmonic distortion plus noise of 0.15%. The device operates on a single power supply ranging from 8 V to 18 V and features a gain of 26 dB. It utilizes a Flexiwatt-25 through-hole package and supports an operating temperature range from -55°C to +150°C. The amplifier draws 8 A of working power supply current and provides an output current of 8 A. It is qualified under the AEC-Q100 standard for automotive applications.

Feature Summary

• Four-channel quad architecture designed for car radio amplification
• AEC-Q100 qualification ensuring reliability in automotive environments
• High thermal stability supporting operation up to +150°C
• Class-AB topology providing balanced efficiency and sound quality

Applications

• Car radio amplifiers
• Automotive audio systems
• Vehicle infotainment center integration

Procurement Notes

Verify component authenticity due to discontinued status. Confirm lot traceability and storage conditions as availability is restricted. Ensure compatibility with existing automotive board designs given the specific Flexiwatt-25 package dimensions and pinout configuration.

Selection Notes

Select this component for high-power automotive audio applications requiring robust thermal performance. The wide operating temperature range suits harsh engine bay or dashboard environments. Verify that the 8V to 18V supply voltage aligns with the vehicle's electrical system specifications.

Part Context

This part belongs to the TDA7454 series of audio ICs produced by STMicroelectronics. It is categorized under audio amplifiers within the broader semiconductor portfolio. The device represents a specialized solution for the automotive sector, focusing on durability and acoustic fidelity.

Replacement Considerations

No public confirmed substitute part numbers are available.