MOSA

MS6260

Gain And Attenuation Volume Controller IC

REV 1

10

www.mosanalog.com.tw

APPLICATION INFORMATION

Basic application example

L-IN

R-IN

2

9

10k

L-OUT

3

10uF

10uF

R-OUT

8

Power

Amplifier

MCU

SDA

10uF

10uF

10k

5

6

SCL

VDD

VSS

Supply

2.7~5V

7

4

47uF

0.1uF

Signal

MS6260

A.O

V

REF

Hi : Addr 10001000B

Lo: Addr 10001100B

110

10uF

Basic application flow chart

Volume Control

volume down to -79 dB

step by step

Enable Mute Function

mute on

Power off

V

Pop Noise Free

power off preparation

wait 0.5 sec

Procedure Of Power Off

Procedure Of Power On

Volume Control

volume up/down

step by step

Initial Conditions

function off (-79dB)

mute on

Pop Noise Free

wait 1 sec

Disable Mute Function

mute off

Power on

V

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

2. In order to prevent pop noise when power on, please wait 1 sec to transmit I