PAM8403-dat
Design Notes PAM8403
- Two ends of C32 and C34 must connect over PVDD and PGND.
- To prevent to noises to speaker:
- Pin 3 and Pin 14 should go under the IC to the speaker
- Pin 4 and Pin 13 should NOT go under the IC to the speaker
- Pin 2 and Pin 15 should NOT go under the IC to the speaker
- Pin 6 VDD should separated with PVDD, pass C36 cap and after relatively long distance, and finally connect to VCC pin from two trace lines (to make this distance).
- Not recommended to use single layer board.
- circuits in the dot line box is optional.