LA4440 Dual Channel IC Pinout Datasheet

Introduction

The LA4440 IC is a popular dual channel audio power amplifier integrated circuit designed primarily for car stereo and home audio applications. Manufactured by Sanyo, it is widely known for its high fidelity sound reproduction, low distortion levels, and robust thermal stability. With a built-in thermal shutdown and short-circuit protection, the LA4440 is a highly reliable choice for audio system designers and hobbyists alike. It can operate in both stereo mode (6W + 6W output) and bridge mode (19W output), making it a versatile component for a variety of amplifier projects.

Note: DATASHEET DOWNLOAD button is provided end of this article.

One of the key advantages of the LA4440 audio amplifier IC is its minimal external component requirement, which reduces circuit complexity while maintaining excellent sound quality. It offers low harmonic distortion, high ripple rejection, and minimal noise interference, ensuring clear and distortion-free sound output. The IC operates efficiently with a supply voltage range of 12V to 18V, making it highly suitable for use in car audio systems, portable speaker systems, and DIY amplifier projects.

LA4440 Dual Channel IC

The pin configuration of LA4440 includes dual input channels, output terminals, bootstrap pins, and power supply connections, designed for simple integration into amplifier circuits. Its ability to deliver high gain, wide frequency response, and stable output under varying load conditions has made it one of the most widely used amplifier ICs in the electronics industry. Moreover, the IC supports external heat sinks, ensuring long-term durability even under continuous high-power operation.

Due to its cost-effectiveness, reliability, and superior audio performance, the LA4440 IC remains a favorite among electronics enthusiasts, DIY audio builders, and professional circuit designers. Whether used in stereo amplifiers, bridged power amplifiers, or portable speaker systems, it consistently delivers strong bass, clear treble, and overall balanced sound quality. With its proven performance, the LA4440 amplifier IC continues to be a benchmark in compact audio amplifier design.

LA4440 Pinout

LA4440 Pin Configuration & Voltage

Key Features of LA4440 Dual Channel IC

• Built-in 2 channels (dual) enabling use in stereo and bridge amplifier applications.
Dual: 6WX2 (typ.)
Bridge: 19W (typ.)
• Minimun number of external parts required.
Small pop noise at the time of power supply ON/OFF and good starting balance.
• Good ripple rejection : 46dB (typ.)
• Good channel separation.
• Small residual noise (Rg=0).
• Low distortion over a wide range from low frequencies to
high frequencies.
• Easy to design radiator fin.
• Built-in audio muting function.
• Built-in protectors.
a. Thermal protector
b. Overvoltage, surge voltage protector
c. Pin-to-pin short protector

LA4440 Package Dimensions

Specifications/Characteristics of LA4440 Dual Channel IC

More Circuit Layouts

Key Applications of LA4440 Dual Channel IC

• Interactive Devices
• Alarm and Notification Systems
• Car Radio Systems
• Portable Audio Systems
• Battery-Powered amplifiers
• Home Audio Systems
• Stereo Systems
• Home Theaters
• Public Address Systems
• DIY Audio Projects
• Television Audio Amplifiers
• Computer Audio Systems
• Small Signal Amplifiers

LA4440 Datasheet

Click the following Button below to download the datasheet of LA4440 IC :

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