MOSA

MS6714

4 Stereo Inputs / 1 Stereo Output Audio Processor

REV 3

1/18

www.mosanalog.com

4 Stereo Inputs and 1 Stereo Output

Volume, Tone, Balance, Loudness and

Selectable Input Gain

FEATURES

•Operation range : 2.7V~6.5V

•4 stereo inputs with selectable input gain

•2 independent speaker controls for balance

•Tone controls (treble and bass)

•Loudness and independent mute function

•Volume control in 1.25 dB/step

•I

•Components less and good PSRR

•Housed in SOP28, SSOP28 package

APPLICATIONS

•Portable audio device

•Car stereo audio

•Hi-Fi audio system

DESCRIPTION

The MS6714 is a 4 stereo inputs/2-channel outputs digital control audio processor for the low voltage operation.

Volume, tone (bass and treble), and balance (left/right) processor are incorporated into a single chip. The MS6714 also

has the loudness function and selectable input gain. These functions can be built a Hi-Fi audio system easily. All

functions are programmable via the serial I

-78.75dB, the stereo 4 is selected, all the speakers are mute and the gains of the input stage, the bass and the treble are

0dB.

BLOCK DIAGRAM

RIN2

RIN1

Treble

Bass

Volume &

Londness

Volume &

Londness

Bass

Treble

LIN1

LIN2

LIN3

RIN3

REF

R

B

R

B

Input

Selector

& Gain

Control

LOUD_R

ROUT

RIN

TREB_R

BOUT_R BIN_R

LOUD_L

LOUT

LIN

TREB_L

BOUT_L BIN_L

28

6

7

9

3

4

5

14

15

16

10

11

12

20

21

22

17

18

19

Supply

AVDD AGND

1

2

Speaker

ATT

Mute

Speaker

ATT

Mute

SCL

SDA

DGND

OUT_L

OUT_R

25

26

24

23

27

Serial Bus Decoder and Latches

LIN4

RIN4

8

13