SNC323 Datasheet, PDF (6/12 Pages) SONiX Technology Company – Direct Drive Voice/Dual Tone Melody Controller

SNC323
Direct Drive Voice/Dual Tone Melody Controller
VCC
BUO1/VO
1K
DAC output
PWM: A PWM (pulse width modulation) circuit is built-in SNC323. PWM can convert
input digital data into pulse trains with suitable different pulse width. The maximum
resolution of PWM is 7 bits. Two huge output stage circuits are designed in SNC323.
With this advanced circuit, the chip is capable of driving speaker directly without
external transistors. The recommended application circuit is illustrated as follows.
BUO1/VO
BUO2
PWM Output
Ver: 1.3
6
August 26, 2003