LA4635A-E

Audio Amplifiers Overview

The LA4635A-E is a single-ended audio frequency power amplifier manufactured by Sanyo Semicon Device. It is designed for home audio applications and functions as a two-channel amplifier. The component is part of the LA463x series, which includes pin-compatible variants such as the LA4635B and the bridge-tied load (BTL) LA4636. This design allows for circuit board editing across different power ranks within the same family.

Audio Amplifiers Feature Summary

• Single-ended output configuration for stereo audio amplification
• Pin-compatible with LA4635B and LA4636 for flexible design integration
• Integrated protection circuits to ensure operational safety

Audio Amplifiers Applications

• Home audio systems
• Two-channel stereo amplifiers
• Audio equipment requiring single-ended power amplification

Audio Amplifiers Procurement Notes

Verify the manufacturer designation as Sanyo Semicon Device or ON Semiconductor, as ownership transitions may affect documentation sources. Confirm the specific suffix 'E' matches the required revision level in official datasheets. Ensure the package type aligns with the intended PCB footprint, as variations exist within the LA463x family.

Audio Amplifiers Selection Notes

Select this component when a single-ended architecture is required rather than a bridge-tied load (BTL) configuration. Consider the LA4636 if higher power output via BTL topology is needed while maintaining pin compatibility. Evaluate the integrated protection features against the specific thermal and electrical constraints of the target audio application.

Audio Amplifiers Part Context

The LA4635A-E belongs to the LA463x series of audio power amplifiers. This series is characterized by its modular design, allowing engineers to swap between single-ended (LA4635A/B) and BTL (LA4636) versions without changing the printed circuit board layout. It serves as a foundational component for standard stereo audio reproduction circuits.

Audio Amplifiers Replacement Considerations

The LA4635B is a direct pin-compatible alternative within the same series. For designs requiring increased power output through a bridge-tied load configuration, the LA4636 offers functional equivalence with identical pinout.