MOSA
MS6713
3 Stereo Inputs / 4 Channels Output Audio Processor
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
2
C interface
‧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
2
C bus. The default states of the chip as the power is on
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
LOUT
17
LIN LOUD_L BOUT_L BIN_L
16
12
19
18
TREB_L
4
Speak
ATT
25
OUT_LF
R
B
Mute
Speak
ATT
LIN1
LIN2
LIN3
15
14
13
Volume &
Londness
Input
Selector
&Gain
Control
Bass
Treble
23
OUT_LR
Mute
28
Serial Bus Decoder and Latches
SCL
27
SDA
26
DGND
Speak
ATT
RIN3
RIN2
RIN1
9
10
11
Volume &
Londness
Bass
Treble
24
OUT_RF
Mute
R
B
Speak
ATT
Supply
2
3
1
7
6
8
21
22
OUT_RR
20
5
TREB_R
Mute
AVDD AGND REF ROUT
RIN LOUD_R BOUT_R BIN_R
REV1.0
1
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MOSA [ MOSA ELECTRONICS ]
