MOSA

MS6901

Mono 1.1W Power Amplifier with Shutdown Selection

REV 1

8/9

www.mosanalog.com

Demoboard

1

3

2

4

5

Function description

Label 1: Supply Voltage

Supply voltage range is 2.5V to 6.5V, the left of jump is positive and the right 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: Shutdown mode selection (SD Mode)

The shutdown mode is low logic level shutdown mode when the jump is placed left position (SD), the SD Mode is

connected to GND.

Label 5: Shutdown pin (SD pin)

The shutdown may be enabled by either logic high or logic low that depending on shutdown mode selection. The SD

Mode is placed left position (SD), the chip entries shutdown when SD pin is placed left position (L), the SD Mode is

connected to GND.