[Semic]

Overview
The CD3699 is an echo / surround sound processor circuit applied to audio equipment with echo sound and surround sound processing.

FEATUREs
● low distortion
● high signal to noise ratio
● peripheral lines are simple
● Auto reset function
● echo delay time can be easily adjusted
● can be selected echo mode vocal echo output together Or surround sound mode only echo output
● Various packages are available DIP16 SOP16