onsemi

LA4628L-E

LA4628L-E Description

The LA4628L-E is a Class AB linear amplifier IC designed for high-performance audio applications. Manufactured by onsemi, this obsolete but still highly sought-after device offers a robust combination of power output and reliability. With a maximum output power of 20W per channel at a 4-ohm load, the LA4628L-E is ideal for driving high-quality audio systems. It operates within a supply voltage range of 9V to 20V, providing flexibility in power supply design.

The LA4628L-E is housed in a through-hole package, specifically a tube, which ensures mechanical stability and ease of integration into various electronic circuits. Its moisture sensitivity level (MSL) is rated at 1 (unlimited), making it suitable for a wide range of environmental conditions without the need for special handling precautions.

LA4628L-E Features

The LA4628L-E stands out due to its unique features and robust performance. Key features include:

• Overvoltage Protection: This critical feature safeguards the amplifier from voltage spikes, ensuring long-term reliability and reducing the risk of damage.
• Class AB Design: The Class AB topology provides a balance between efficiency and low distortion, making it ideal for high-fidelity audio applications.
• High Power Output: With 20W per channel at a 4-ohm load, the LA4628L-E can drive powerful speakers, delivering clear and dynamic audio.
• Wide Supply Voltage Range: The ability to operate between 9V and 20V allows for versatile power supply options, accommodating different system requirements.
• Through-Hole Mounting: The through-hole package ensures secure mechanical attachment and ease of integration into printed circuit boards (PCBs).
• REACH Compliance: The LA4628L-E is REACH unaffected, ensuring compliance with environmental and safety regulations.

LA4628L-E Applications

The LA4628L-E is well-suited for a variety of applications where high-quality audio output is required. Specific use cases include:

• Audio Amplifiers: Ideal for home and professional audio systems, providing clear and powerful sound reproduction.
• Speaker Systems: Suitable for driving high-fidelity speakers in both consumer and commercial settings.
• Multi-Channel Audio Systems: The dual-channel design allows for stereo or multi-channel audio applications, enhancing the listening experience.
• Professional Audio Equipment: Used in mixing consoles, sound reinforcement systems, and other professional audio gear where reliability and performance are paramount.

Conclusion of LA4628L-E

Despite being marked as obsolete, the LA4628L-E remains a highly regarded component in the electronics industry. Its combination of high power output, overvoltage protection, and Class AB performance make it a reliable choice for demanding audio applications. The through-hole mounting and wide supply voltage range further enhance its versatility. While newer models may offer additional features, the LA4628L-E continues to be a preferred choice for engineers and designers seeking proven performance and reliability in their audio systems.