MOSA

MS6853

Mono 1.9W / Stereo 300mW Power Amplifier

REV 1.1

12

www.mosanalog.com

Function description

Label 1: Supply Input

Supply voltage range is 2.7V to 5.5V, the right of jump is positive, the left of jump is negative.

Label 2: Signal Input

Connected to audio signals.

Label 3: Speaker Output

Connected to speaker with 8ohm or 4 ohm

Label 4: Headphone Jack

Used 3.5mm diameter of headphone with 32ohm

Label 5: Shutdown Control

System is active mode when jump is close, system enters shutdown mode when jump is open.

SE mode and BTL mode operation

The headphone controls operational mode. System enters SE mode when headphone jack is empty.

When a set of headphone plugged into the jack, the system switched to BTL mode.