MOSA

MS6257

GAIN AND ATTENUATION VOLUME CONTROLLER IC

REV 1

10

www.mosanalog.com

APPLICATION INFORMATION

Basic application example

L-IN

R-IN

1

8

10k

L-OUT

2

10uF

10uF

R-OUT

7

Power

Amplifier

MCU

SDA

10uF

10uF

10k

4

5

SCL

VDD

VSS

Supply

2.7~5V

6

3

47uF

0.1uF

Signal

MS6257

Basic application flow chart

Volume Control

volume down to -79 dB

step by step

Enable Mute Function

mute on

Power down

V

Procedure Of Power

Shut Down

Procedure Of Power Up

Volume Control

volume up/down

step by step

Initial Conditions

function off (-79dB)

mute on

Disable Mute Function

mute off

Power up

V

1. The initial condition is –79dB and mute on when power up.