TDA7480

Overview

The TDA7480 is a mono Class-D audio amplifier manufactured by STMicroelectronics, designed for high-efficiency applications in television and home stereo systems. It delivers up to 10W of output power into 8Ω or 4Ω loads at 10% THD. The device operates on split supplies ranging from ±10V to ±16V and features integrated overvoltage, short-circuit, and thermal overload protection. It includes standby and mute control functions, with a closed-loop gain of 30dB.

Feature Summary

• High efficiency operation without requiring external heatsinks
• Integrated protection against overvoltage, short circuits, and thermal overload
• Supports standby and mute control modes for power management

Applications

• Television sets
• Home stereo systems

Procurement Notes

Verify component status as the TDA7480 is listed as obsolete. Confirm availability through authorized distributors or secondary markets. Ensure compatibility with existing PCB layouts using the Power DIP20 package. Review datasheet specifications for supply voltage and load impedance requirements before integration.

Selection Notes

Select this component for mono audio amplification where high efficiency and minimal thermal management are priorities. Suitable for designs utilizing split power supplies within the ±10V to ±16V range. Consider the 30dB fixed gain and input noise characteristics for signal chain matching. Verify that the application environment falls within the specified operating temperature range.

Part Context

The TDA7480 belongs to STMicroelectronics' portfolio of Class-D audio amplifiers. It is part of a family designed for consumer electronics requiring efficient sound reproduction. The device utilizes a Power DIP20 package, distinguishing it from surface-mount alternatives in the same product category.

Replacement Considerations

As an obsolete product, direct replacements may require design adjustments. Evaluate current Class-D mono amplifiers from STMicroelectronics or other manufacturers offering similar power output and package types. Ensure pin compatibility or redesign the PCB layout if substituting with different footprints.