TDA7396

Overview

The TDA7396 is a Class-AB bridge audio power amplifier designed for automotive radio applications. It delivers 27W output power with an 11-pin Multiwatt package. The device operates on a supply voltage range of 8V to 18V and features a gain-bandwidth product of 75kHz. It supports differential or single-ended inputs, includes an internal clipping detector, and meets AEC-Q100 automotive standards. Operating temperatures span from -40°C to 150°C.

Feature Summary

• Supports both differential and single-ended input signal modes for flexible integration.
• Features an onboard clipping detector to facilitate gain compression system implementation.
• Includes diagnostic facilities to detect assembly errors and wiring mistakes during installation.
• Provides automatic mute during turn-on/off and standby functions without audible pop.

Applications

• High-power car radio amplifiers
• Automotive audio boosters
• End-level car radio applications

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact pinout and functional variations. Ensure the component matches the required automotive qualification standards for your specific vehicle platform. Cross-reference the package dimensions with your PCB footprint design to guarantee mechanical compatibility before finalizing procurement decisions.

Selection Notes

Select this component when designing high-power mono audio systems requiring robust automotive reliability. The integrated diagnostics and clipping detection simplify circuit design by reducing external component count. Consider the thermal performance within the Multiwatt package if operating near maximum voltage limits in confined automotive environments.

Part Context

This part belongs to the TDA7396 series of automotive audio amplifiers. It is manufactured by STMicroelectronics and is specifically engineered for demanding car audio environments. The series emphasizes high power capability combined with minimal external component requirements, making it suitable for space-constrained automotive electronics designs.

Replacement Considerations

Consult official substitution lists for compatible alternatives. Verify that any replacement maintains the same Multiwatt-11 package and electrical characteristics. Ensure the substitute component also holds relevant automotive certifications if used in production vehicles.

FAQ

Does the TDA7396 support single-ended input signals?

Yes, the amplifier accepts either differential or single-ended input signals, providing flexibility for various source configurations.

What is the purpose of the onboard clipping detector?

The onboard clipping detector allows for the easy implementation of gain compression systems to protect speakers and manage audio peaks.