Description
The PAM8403 is a 3W, class-D audio amplifier. It offers low THD+N, 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.
The PAM8403 audio amplifire can extend the battery life, which makes it well-suited for portable applications. The board uses the typical circuit design of PAM8403, using MICRO USB power supply (reserved wire power interface), it is easy to use a universal mobile phone charger for its power supply, resistance devices are standardized patch technology, simple and stable.
- 3W Output at 10% THD with a 4Ω Load and 5V Power Supply
- Filterless, Low Quiescent Current and Low EMI
- Superior Low Noise
- Efficiency up to 90%
- Short Circuit Protection
- It is designed for Bluetooth audio receiver module dedicated interface.
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