TDA7231A

Overview

The TDA7231A is a monolithic integrated circuit designed as a Class AB power amplifier. It operates within a wide supply voltage range of 1.8 V to 15 V and delivers 1.6 W of output power. The device features low quiescent current consumption, high power capability, and low crossover distortion. It incorporates soft clipping functionality to protect speakers during overdrive conditions.

Feature Summary

• Class AB power amplifier architecture
• Wide operating voltage range from 1.8 V to 15 V
• Soft clipping protection mechanism
• Low crossover distortion design

Applications

• Portable radios
• Cassette recorders
• Cassette players

Procurement Notes

Verify the specific suffix (e.g., 'A') against the datasheet to ensure correct pinout and electrical characteristics. Confirm package type compatibility with existing PCB footprints. Check for obsolete status or recommended replacements if sourcing new production units.

Selection Notes

Select this component for low-power audio applications requiring simple implementation. It is suitable for battery-operated devices due to low quiescent current. Ensure the load impedance matches the amplifier's output capabilities for optimal performance.

Part Context

This part belongs to STMicroelectronics' audio amplifier portfolio. It is a legacy component often found in older consumer electronics designs. It serves as a basic solution for small-signal amplification tasks.

Replacement Considerations

Datasheets list TDA7235 as a related product. Verify pin compatibility and electrical specifications before substitution.