PAM8403 3W + 3W Mini Class D Stereo Amplifier

The PAM8403 3W + 3W Mini Class D Stereo Amplifier is a compact, high-efficiency amplifier module designed to deliver clear and powerful audio output. Utilizing the PAM8403 Class D audio amplifier chip, this module provides 3W per channel stereo output with low distortion and high signal-to-noise ratio (SNR). It is ideal for portable audio devices, DIY audio projects, and other small audio applications where space and power efficiency are crucial. The module operates on a low-voltage supply, making it versatile and easy to integrate into various electronic projects.

Specifications:

• Chip: PAM8403
• Amplifier Type: Class D
• Output Power: 3W + 3W (stereo)
• Supply Voltage: DC 2.5V to 5.5V
• Input Sensitivity: 200mV
• Frequency Response: 20Hz to 20kHz
• Signal-to-Noise Ratio (SNR): ≥ 90dB
• Total Harmonic Distortion (THD): ≤ 0.1%
• Input Impedance: 15kΩ
• Output Impedance: 4Ω to 8Ω
• Dimensions: 22mm x 18mm x 3mm (approx.)
• Weight: 2 grams (approx.)

Key Features:

1. High Efficiency: Class D amplifier design ensures efficient power usage and minimal heat generation.
2. Compact Size: Small form factor makes it ideal for portable audio devices and space-constrained applications.
3. Powerful Output: Provides 3W per channel, delivering clear and powerful stereo sound.
4. Wide Voltage Range: Operates on a DC supply voltage from 2.5V to 5.5V, allowing for use with various power sources, including USB.
5. Low Distortion: Total Harmonic Distortion (THD) of ≤ 0.1% ensures high-fidelity sound reproduction.
6. High SNR: Signal-to-Noise Ratio (SNR) of ≥ 90dB provides clear audio with minimal background noise.
7. Low Idle Loss: Features low idle loss characteristics for better efficiency and performance.
8. Versatile Applications: Suitable for use in portable audio devices, DIY audio projects, small speaker systems, and more.
9. Easy Integration: Simple connections for input, output, and power make setup straightforward.
10. Safe and Reliable: Built with high-quality components for stable and reliable performance.

The PAM8403 3W + 3W Mini Class D Stereo Amplifier is a versatile and efficient solution for enhancing audio output in a variety of small-scale applications, delivering excellent sound quality in a compact and easy-to-use module.