TDA7374BV

Overview

The TDA7374BV is a Class AB dual bridge audio power amplifier designed for car radio applications. It operates within an 8V to 18V supply range and delivers up to 21W per channel into a 4Ω load at 10% THD. The device features a fully complementary output stage eliminating the need for bootstrap capacitors or Boucherot cells. Internal gain is fixed at 26dB, and it includes a clipping detector output. Stand-by current consumption is typically 1µA.

Feature Summary

• Dual bridge architecture with fully complementary PNP/NPN output configuration
• Integrated clipping detector for gain compression control
• Silent turn-on/off and muting/stand-by functionality
• Comprehensive protection against short circuits, thermal overload, and reverse polarity

Applications

• Car radio systems
• Automotive audio amplifiers

Procurement Notes

Verify component authenticity as this part is obsolete. Confirm package integrity upon receipt. Ensure compatibility with existing Multiwatt-15 footprints. Review datasheet revision history for any technical updates prior to implementation.

Selection Notes

Select this component for designs requiring high efficiency without external bootstrap components. Suitable for automotive environments needing robust protection features. Verify thermal management requirements based on ambient temperature and heatsink specifications.

Part Context

Part of the TDA737x series of Class AB audio amplifiers by STMicroelectronics. Designed specifically for automotive applications where reliability and minimal external component count are critical. Shares architectural similarities with other models in the family but offers specific power and protection characteristics.

Replacement Considerations

TDA7375V

FAQ

Does the TDA7374BV require bootstrap capacitors?

No, the fully complementary output stage eliminates the need for bootstrap capacitors.

What is the typical stand-by current consumption?

The typical stand-by current consumption is 1 µA.