PAM8403 class D dual channel power amplifier

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 amplifier
• Dual channel (stereo) output
• Output power: 3W per channel
• High efficiency: Up to 90%
• Low Total Harmonic Distortion (THD)
• Built-in thermal protection
• Built-in short circuit protection
• Pop noise suppression
• Operating voltage: 2.5V to 5.5V
• Compact size for easy integration

Technical Specifications:

• Output Power: 3W x 2 (at 4Ω, 5V, THD+N = 10%)
• Efficiency: Up to 90%
• Operating Voltage: 2.5V to 5.5V
• Signal-to-Noise Ratio (SNR): 90dB
• Total Harmonic Distortion (THD): 0.1% (1W, 4Ω, 1kHz)
• Input Impedance: 15kΩ

Applications:

• Portable speakers
• DIY audio projects
• Battery-powered audio devices
• MP3 and media players
• Mobile phones and tablets
• Small home audio systems

Datasheet:
For detailed technical information, please refer to the datasheet.