SKU.: BC13232229
✓ In stock
The PAM8403 is a popular, ultra-miniature, efficient 3W+3W Class-D stereo audio amplifier IC often found on small modules for DIY projects, offering high-quality sound from low-voltage (2.5V-5.5V) power sources like USB or batteries, ideal for portable speakers, computers, and hobby electronics due to its small size, low heat, and built-in volume control. Key features include high efficiency (up to 90%), low distortion, and protection features, but it requires careful wiring, especially connecting speakers before power, to avoid damage.
The PAM8403 is a popular, ultra-miniature, efficient 3W+3W Class-D stereo audio amplifier IC often found on small modules for DIY projects, offering high-quality sound from low-voltage (2.5V-5.5V) power sources like USB or batteries, ideal for portable speakers, computers, and hobby electronics due to its small size, low heat, and built-in volume control. Key features include high efficiency (up to 90%), low distortion, and protection features, but it requires careful wiring, especially connecting speakers before power, to avoid damage.
Key Features & Specs
Type: 2-Channel (Stereo) Class-D Amplifier.
Power Output: 3W per channel (into 4Ω load at 5V).
Voltage: Operates from 2.5V to 5.5V DC (often USB powered).
Efficiency: Up to 90%, extending battery life.
Size: Very compact, often found on small boards.
Modules: Often includes onboard volume control potentiometer and power switch.
Protection: Features short-circuit and thermal shutdown.
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