Data Sheet

Shenzhen Waytronic Electronics Co., Ltd. WT2003S-16S Chip
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3.6. Reference circuit
3.6.1. Micro SD card version smallest system circuit(include amplifier)
Remark:
1. WT2003S-16S chip has no internal amplifier. DACR and DACL can directly connect earphone for
output. If you want to connect speaker, need connect the corresponding amplifier chip.
2. I/O port of WT2003S-16S chip I/O: 3.3V.
3.6.2.USB socket connection circuit