MOSA

MS6715L

Low Cost 1 Stereo Input / 1 Stereo Output Audio Processor

REV 2

1/13

www.mosanalog.com

Low Cost 1 Stereo Input and 1 Stereo Output

Volume, Tone, Balance, Loudness Function.

FEATURES

•Operation range : 2.7V~6.5V

•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 SSOP20 package

‧ Cost efficient.

APPLICATIONS

•Portable audio device

•Car stereo audio

•Hi-Fi audio system

DESCRIPTION

The MS6715L is a 1 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 MS6715L

also has the loudness function. These functions can be built a Hi-Fi audio system easily. All functions are

programmable via the serial I

The default states of the chip as the power is on are: the volume is -78.75dB, all the speakers are mute and the gains of

the bass and the treble are 0dB.

BLOCK DIAGRAM

RIN

Treble

Bass

Bass

Treble

LIN

R

B

R

B

LOUD_R

TREB_R

BOUT_R BIN_R

LOUD_L

TREB_L

BOUT_L BIN_L

7

4

5

11

6

9

13

14

15

12

Volume &

Londness

Volume &

Londness

Supply

REF

AVDD AGND

1

2

3

Speaker

ATT

Mute

Speaker

ATT

Mute

Serial Bus Decoder and Latches

SCL

SDA

DGND

OUT_L

OUT_R

18

19

17

16

20