TDA7376PD

Overview

The TDA7376PD is a dual bridge audio power amplifier in PowerSO-36 package designed for car radio applications. It delivers up to 2 x 40 W max into 4 Ω, or 2 x 35 W per EIAJ standard. Operating on a single supply from 8 V to 18 V, it features differential inputs and internally fixed gain of 26 dB. The device supports AEC-Q100 qualification and includes protections against short circuits, overtemperature, and load dump.

Feature Summary

• Fully complementary PNP/NPN output stage enables rail-to-rail voltage swing without bootstrap capacitors.
• Differential input pairs provide high noise immunity suitable for automotive environments.
• On-board programmable distortion detector limits clipping when the amplifier is overdriven.
• Integrated mute and standby functions suppress pop transients and reduce power switch costs.

Applications

• Car radio main amplifiers
• Car booster systems

Procurement Notes

Verify component authenticity through authorized channels as this part may be subject to discontinuation notices. Confirm package integrity and pin alignment upon receipt. Ensure storage conditions meet moisture sensitivity level requirements before soldering. Cross-reference datasheet revisions to confirm current manufacturing status and any potential design changes affecting form, fit, or function.

Selection Notes

Select this component for designs requiring a compact surface-mount solution with high output power density. The PowerSO-36 package offers thermal efficiency compared to traditional through-hole alternatives. Verify that the application circuit accommodates the differential input configuration and that the PCB layout supports the required heat dissipation for continuous operation at maximum power levels.

Part Context

This device belongs to the TDA7376 family of Class-AB audio amplifiers. It shares functional similarities with the TDA7376B but utilizes a different PowerSO-36 surface-mount package instead of the Multiwatt-15 through-hole variant. Both variants target automotive infotainment systems, offering comparable power capabilities and protection features within their respective packaging constraints.

Replacement Considerations

The TDA7376B serves as a pin-compatible alternative if through-hole mounting is preferred, though it uses a Multiwatt-15 package rather than PowerSO-36. Verify mechanical footprint differences and thermal management requirements when substituting between these package types. No other direct electrical equivalents are confirmed in public documentation.