Description: PAM8403 5V Stereo Audio Amplifier Board
The PAM8403 5V Two-channel Stereo is a 3W+3W, class-D audio amplifier. Allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8403 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications.
- Dual channel stereo output 3 w + 3 w power Class D
- Works with 2.5V-5v power supply
- High amplification efficiency 85%
- can directly drive 4 Ω/8 Ω small speakers
- Good sound quality & noise suppression
- Unique without LC filter class D digital power board
- Can use computer USB power supply directly
- Small Size, 1.85 x 2.11 cm can easily fit in a variety of products
Note when using:
- Input audio should be via sheilded wire for best performance.
- Use proper filtered power supply with good filter capacitors.
- Take care not to short speaker wires else IC will get damaged.
- Make sure power supply never execeds 5.5V else IC will get damaged. Use regulated power supply.
LCD TVs, monitors
Portable DVD players, game consoles
Phone / speakerphone
1 x 3W class D Mini Amplifier Board