GY3308B Christmas eight-chord song voice chip solution
GY3308B is a high-performance single-chip CMOS music and speech synthesis IC that directly drives the speaker’s eight-chord Christmas music chip. The chip provides four-channel voice/MIDI synthesis function, adopts advanced high-quality ADPCM algorithm, and reaches a maximum CD-quality 44.1KHz sampling rate.
Function description
Function:
a. Press the first button to play 8 music sources in a loop and the lights will flash with the music.
b. Press the button for the second time and the light of 8 audio source loops will be on.
c. Press the third time, no music, only the light is always on
d. Press the fourth time to shut down
e. Press the fifth time to repeat a….
Reference circuit diagram and pin description
Track name
| Track Order | Song Name |
| first song | Jingle Bells |
| second song | Merry Christmas |
| The third song | silent night |
| The fourth song | Deck The Halls |
| The fifth song | Joy To The Word |
| song six | The First Nowell |
| No. 7 | Hark The Herald Angel Sing |
| No. 8 | Oh Christmas Tree |
Main electrical parameters
| Features | Symbol | Minimum Value | Typical Value | Maximum Value | Unit | Remark |
| Operating Voltage | VDD | 2 | 3.7 | 5.5 | V | |
| Working Current | LOP | —— | 1 | —— | mA | |
| Quiescent Current | LSB | 1 | uA | |||
| Oscillation Frequency | FOSC | 8 | MHz | |||
| Drive Current | 10 | 30 | mA | |||
| Operating Temperature | OPT | 0 | 70 | ℃ |


