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MOSA

MS6266

6-Channel Electronic Volume Controller

6-Channel Volume Controller

Gain and Attenuation 16~-79dB

Low voltage, High Channel Separation

FEATURES

鈥peration

range: 2.7V~5.5V

鈥ow

power consumption

鈥ain/Attenuation:

16dB to 鈥?9dB at 1dB/step

鈥ood

PSRR

鈥

2

C interface

鈥op

noise free

鈥oused

in SSOP20, SOP20

APPLICATIONS

鈥ultimedia

system

鈥i-Fi

audio system

鈥ar

audio

鈥ortable

audio equipment

DESCRIPTION

The MS6266 is a 6-channel volume controller IC with gain and attenuation. It uses CMOS technology specially for the

low voltage application with low noise, rail-to-rail output. The MS6266 provide an I

2

C control interface with gain /

attenuation range of 16dB to -79dB, 1dB/step. The initial condition is set to be maximum attenuation 鈥?9dB and mute

on mode when the power is on.

PIN CONFIGURATION

Symbol

IN1

IN2

IN3

AC2

DGND

SCL

SDA

IN4

IN5

IN6

OUT6

OUT5

OUT4

GND

V

REF

V

DD

AC1

OUT3

OUT2

Pin

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

Description

1

st

channel input

2

nd

channel input

3

rd

channel input

Address code 2

Digital Ground

I

2

C clock input

I

2

C data input

4

th

channel input

5 channel input

6 channel input

6

th

channel output

5

th

channel output

4

th

channel output

Analog ground

Reference voltage = 1/2V

DD

Positive supply voltage

Address code 1

3

rd

channel output

2

nd

channel output

th

th

IN1

1

IN2

2

IN3

3

AC2

4

DGND

5

SCL

6

SDA

7

IN4

8

IN5

9

IN6

10

20

OUT1

19

OUT2

18

OUT3

17

AC1

MS6266

16

V

DD

15

V

REF

14

GND

13

OUT4

12

OUT5

11

OUT6

OUT1

20

1

st

channel output

Note: 1. The address codes have four types, selected by AC1and AC2.

REV1

1

www.mosanalog.com.tw

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