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PAM8403 from PAM

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PAM8403

Manufacturer: PAM

Filterless 3W Class-D Stereo Audio Amplifier

Partnumber Manufacturer Quantity Availability
PAM8403 PAM 1150 In Stock

Description and Introduction

Filterless 3W Class-D Stereo Audio Amplifier **Introduction to the PAM8403 Audio Amplifier**  

The PAM8403 is a high-efficiency, Class-D stereo audio amplifier designed for low-power applications. With a typical output power of 3W per channel (at 4Ω load and 5V supply), it is widely used in portable speakers, multimedia devices, and other compact audio systems. Its Class-D architecture ensures minimal power dissipation, making it ideal for battery-operated devices where energy efficiency is crucial.  

Featuring a built-in thermal shutdown and overcurrent protection, the PAM8403 ensures reliable operation under varying conditions. It operates on a supply voltage range of 2.5V to 5.5V, accommodating both single-cell lithium-ion batteries and standard 5V USB power sources. The amplifier also supports differential inputs, reducing noise interference for improved audio clarity.  

The PAM8403 comes in a compact package, simplifying PCB design and integration into space-constrained applications. Its minimal external component requirement further enhances its appeal for cost-sensitive designs. Whether used in handheld gadgets, small speakers, or DIY audio projects, the PAM8403 offers a balance of performance, efficiency, and ease of use.  

As a versatile and power-efficient solution, the PAM8403 remains a popular choice for designers seeking reliable stereo amplification in compact form factors.

Application Scenarios & Design Considerations

Filterless 3W Class-D Stereo Audio Amplifier

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