The PAM8403 is a low-power, high-efficiency Class D amplifier that provides dual-channel audio amplification. It delivers 3W per channel with a low Total Harmonic Distortion (THD), making it ideal for portable and compact audio applications. The amplifier operates with high efficiency, ensuring minimal heat generation and extended battery life for portable devices. Its small size and low power consumption make it a popular choice for DIY audio projects, battery-powered speakers, and other audio applications where space and power efficiency are crucial.Key Features:Class D audio amplifierDual channel (stereo) outputOutput power: 3W per channelHigh efficiency: Up to 90%Low Total Harmonic Distortion (THD)Built-in thermal protectionBuilt-in short circuit protectionPop noise suppressionOperating voltage: 2.5V to 5.5VCompact size for easy integrationTechnical Specifications:Output Power: 3W x 2 (at 4Ω, 5V, THD N = 10%)Efficiency: Up to 90%Operating Voltage: 2.5V to 5.5VSignal-to-Noise Ratio (SNR): 90dBTotal Harmonic Distortion (THD): 0.1% (1W, 4Ω, 1kHz)Input Impedance: 15kΩApplications:Portable speakersDIY audio projectsBattery-powered audio devicesMP3 and media playersMobile phones and tabletsSmall home audio systems
