MOSA

MS6713

3 Stereo Inputs / 4 Channels Output Audio Processor

REV1.0

1

www.mosanalog.com

3 Stereo Inputs and 4 Channels Output

Volume, Tone, Balance, Fader, Loudness,

and Selectable Input Gain

FEATURES

‧Operation range : 2.7V~5V

‧3 stereo inputs with selectable input gain

‧4 independent speaker controls for fader and balance

‧Tone controls (treble and bass) and loudness function

‧Independent mute function

‧Volume control in 1.25 dB/step

‧I

‧Components less and good PSRR

‧Housed in SOP28, SSOP28 packages

APPLICATIONS

‧Portable audio device

‧Car stereo audio

‧Hi-Fi audio system

‧Cross-reference:

TDA7313, PT2313 (for SOP28 version)

DESCRIPTION

The MS6713 is a 3 stereo inputs/4-channel outputs digital control audio processor for the low voltage operation.

Volume, tone (bass and treble), balance (left/right), and fader (front/rear) processor are incorporated into a single chip.

The MS6713 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

are: the volume is -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. The stereo 4 is connected internally, but not available on pins.

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

17

8

9

4

5

6

13

14

15

10

11

12

19

20

21

16

17

18

Speak

ATT

Mute

Speak

ATT

Mute

Speak

ATT

Mute

Speak

ATT

Mute

OUT_LF

OUT_LR

OUT_RF

OUT_RR

25

22

23

24

SCL

SDA

DGND

26

27

28

Supply

AVDD AGND

23

Serial Bus Decoder and Latches