MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
PACKAGE
FEATURES
•Capable of controlling each function by serial data
Electric volume
•Volume level........... 32step ( 0dB ~ -∞ )
•Low noise................-100dBv(JIS-A)
Bass/Treble.......(0dB,±3dB,1±6dB,±10dB)
Bass boost.......................(ON/OFF)
Surround......................... (ON/OFF)
Input selector ...................4 - Inputs (A,B,C,D)
MIC mixing
Outline 42P2R
APPLICATION
Mini-Stereo,Radio-Cassette tape recorder,TV
RECOMMENDED OPERATING CONDITIONS
Supply voltage range ..... AVDD:7.0~8.0V
Rated supply voltage ..... AVDD:7.5V
DVDD:4.5~5.5V
DVDD:5.0V
SYSTEM BLOCK DIAGRAM
Rch Rec out
MIC
IN
A
R ch B
IN
C
INPUT
SELECTER
MIC
MIXER
BASS BOOST
L ch OUT
D
A
L ch
IN
TONE
B
C
D
R ch OUT
SURROUND
µ -com
INTERFACE
CLK DATA LATCH Lch Rec out
MITSUBISHI
ELECTRIC
( 1 / 18 )
ELECTRIC
VOLUME
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
PIN CONFIGURATION
VREFI
SUR R
SUR C
IN1A
IN1B
IN1C
INBAS1
NFBAS1
FBAS1
FTRE1
TONE OUT1
VOL IN1
FBB1
NFBB1
INBB1
OUT1
DGND
LATCH
DATA
M62428FP
IN1D
REC OUT1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
42
41
40
39
38
AGND
37
36
35
IN2C
IN2D
34
INBAS2
33
NFBAS2
FBAS2
FTRE2
TONE OUT2
VOL IN2
FBB2
32
31
30
29
28
27
26
VREFO
MIC IN
IN2A
IN2B
REC OUT2
18
19
25
NFBB2
INBB2
OUT2
24
AVDD
20
23
DVDD
21
22
CLK
MITSUBISHI
ELECTRIC
( 2
/ 18 )
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
21
21
20
19
18
17
16
15
14
VOL IN1
13
TONE
OUT1
11 12
FTRE1
10
NFBAS1
9
INBAS1
8
REC
OUT1
7
IN1D
6
IN1C
5
IN1B
4
100K
SW7
SW5
SW3 19K
22.5K
8.5K
3K
10K
+
-
A
B
SW10
45.8K
SW8
SW6
Buff
Amp1
45.8K
SW13
SW13
SW4
100K
MIX
Amp1
44.7K
34.7K
A
B
Buff
Amp2
SW11
1.5K
IN1A
SUR C
SUR R
VREFI
56K
+
-
34.7K
44.7K
44.7K
100K
100K
SW9
100K
38
100K
39
41
AGND
42
40
VREFO
MIX
Amp2
BASS
Amp1
SW12
44.7K
37
SW13
56K
+
-
MIC IN
FBB1
19K
SW2
SW1
MICAmp
ref
FBAS1
SW14-C
10K
BASS
Amp2
1.5K
24K
10K
4.5K
SW14-B
10K
SW15-B
SW15-C
+
-
IN2A
SW16-B
34.7K
36
IN2C
195K
SW16-C
34.7K
35
IN2D
TONE
Amp1
SW17-C
+
-
34
REC
OUT2
NFBB1
+
-
INBAS2
TONE
Amp2
10K
SW17-B
22.5K
8.5K
3K
INBB1
3
29
30
32
NFBAS2
33
31
FBAS2
VR1
+
-
FTRE2
195K
24K
10K
4.5K
OUT1
195K
195K
TONE
OUT2
IN2B
BASS BOOST SW
VR2
DGND
2
BASS BOOST SW
+
VOL IN2
1.5K
SW18
+
FBB2
28
SW19
BB
Amp1
LATCH
1
FIN
Amp1
10K
FIN
Amp2
10K
27
195K
+
-
26
BB
Amp2
-
1.5K
56K
470
195K
+
-
NFBB2
470
+
INBB2
100K
25
56K
100K
24
OUT2
100K
23
AVDD
DATA
+
DVDD
µ -com
INTERFACE
-
CLK
22
BLOCK DIAGRAM
AVDD
SURROUND SW
+
-
refAmp
51K
51K
AGND
Units
MITSUBISHI
ELECTRIC
( 3
/ 18 )
Resistance
Capacitance
:Ω
:F
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
PIN DESCRIPTION
Pin No.
Symbol
Function
1
VREFI
RefAmp input
2
SUR R
External R connection pin for setting time constant for surround
3
SUR C
External C connection pin for setting time constant for surround
4
IN1A
5
IN1B
Channel 1 input
6
IN1C
7
IN1D
8
RECOUT1
REC output of channel 1
9
INBAS1
Input of BASS Amp in bass section
10
NFBAS1
Output of BASS Amp in bass section
11
FBAS1
Resonant impedance (band-pass filter) connection pin for bass section
12
FTRE1
Resonant impedance (band-pass filter) connection pin for treble section
13
TONEOUT1 TONE output of channel 1
14
VOLIN1
R-rudder volume input of channel 1
15
FBB1
Input of bass boosting resonant buffer amp
16
NFBB1
Output of bass boosting resonant buffer amp
17
INBB1
Resonant impedance (band-pass filter) connection pin
for bass boost section
18
OUT1
Channel 1 output
19
DGND
Ground of the internal logic circuit
20
LATCH
21
DATA
Input pin of latch signal.
Changes the circuit status at the rising edge of the latch signal
Input pin of control data.
Reads data at the rising edge of clock
MITSUBISHI
ELECTRIC
( 4
/ 18 )
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
Pin No.
Symbol
Function
22
CLOCK
Clock input pin for serial data transfer
23
DVDD
Power supply of internal logic circuit
24
AVDD
Power supply of internal analog circuit
25
OUT2
Channel 2 output
26
INBB2
Resonant impedance (band-pass filter) connection pin
for bass boost section
27
NFBB2
Output of bass boosting resonant buffer amp
28
FBB2
Input of bass boosting resonant buffer amp
29
VOLIN2
30
TONEOUT2
R-rudder volume input of channel 2
TONE output of channel 2
31
FTRE2
Resonant impedance (band-pass filter) connection pin for treble section
32
FBAS2
Resonant impedance (band-pass filter) connection pin for bass section
33
NFBAS2
Output of BASS Amp in bass section
34
INBAS2
Input of BASS Amp in bass section
35
RECOUT2
REC output of channel 2
36
IN2D
37
IN2C
Channel 2 input
38
IN2B
39
IN2A
40
MIC IN
Microphone input
41
VREFO
RefAmp output
42
AGND
Ground of the internal analog circuit
MITSUBISHI
ELECTRIC
( 5 / 18 )
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
ABSOLUTE MAXIMUM RATINGS
(Ta=25°C,unless otherwise noted)
Symbol
Parameter
Conditions
Ratings
Unit
AVdd
Analog supply voltage
9.0
DVdd
Digital supply voltage
7.0
V
V
Pd
Power dissipation
Ta ≤ 25°C
990
mW
K
Thermal derating
Ta > 25°C
Topr
Operating temperature
9.9
-20~+75
mW/°C
°C
Tstg
Storage temperature
-40~+125
°C
POWER DISSIPATION Pd (mW)
THERMAL DERATING
(MAXIMUM RATING)
1000
990
800
630
600
400
200
0
0
25
50 60
75
100
125
AMBIENT TEMPERATURE Ta (°C)
MITSUBISHI
ELECTRIC
( 6 / 18 )
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
RECOMMENDED OPERATING CONDITIONS
(Ta=25°C,unless otherwise noted)
Parameter
Symbol Conditions
MIN
TYP
MAX
7.0
7.5
8.0
V
4.5
5.0
5.5
V
Unit
(Note 1 )
Analog supply voltage
AVdd
(Note 1 )
Digital supply voltage
DVdd
Logic "H" level
input voltage
VIH
0.8DVdd
Vdd
V
Logic "L" level
input voltage
VIL
0
0.2DVdd
V
DVdd≤AVdd
Note 1:After applying AVdd,Apply supply voltages in the order of DVdd for the IC.
RELATIONSHIP BETWEEN DATA AND CLOCK
LATCH SIGNAL
H
D0
DATA
D1
D6
D7
L
H
CLOCK
L
H
LATCH
L
Data signal is read at the rising edge of clock.
Signal is latched at the rising edge of the latch signal.
MITSUBISHI
ELECTRIC
( 7
/ 18 )
D0
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
CLOCK AND DATA TIMINGS
t cr
75%
CLOCK
25%
tf
tr
t WHC
t WLC
75%
DATA
25%
tr
t SD
tf
t HD
tr
tWHL
tf
tSL
75%
25%
LATCH
TIMING DEFINITION OF DIGITAL BLOCK
Symbol
Parameter
Limits
typ
t
cr
Clock cycle time
Min
4
t
WHC
Clock pulse width ("H" level)
1.6
t
WLC
Clock pulse width ("L" level)
1.6
t
r
Rising time of clock,data and latch
0.4
tf
Falling time of clock,data and latch
0.4
t
SD
Data setup time
0.8
t
HD
Data hold time
0.8
t
SL
Latch setup time
1
t
WHL
Latch pulse width
1.6
MITSUBISHI
ELECTRIC
( 8
/ 18 )
Max
Unit
µ sec
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
DATA INPUT FORMAT
2 types of input formats can be selected by changing the D7 slot setting status.
(Initialize all data of the 2 formats when power is turned on.)
Input format
selection slot
Input direction
(1)
DO1
D11
D21
D31
D41
* Refer to the slot setting code list (3)
for master volume
(2)
DO2
D12
D22
1 : ON
0 : OFF
D32
* Refer to the slot setting code list (4)
for tone control
D51
D61
Surround MIC MIX
D42
D52
* Refer to the slot
setting code list (5)
for Input selector
Bass boost SW18,19 ON/OFF
1 : Side A
0 : Side B
D62
Through gain
+10dB
(3) Setting code (master volume)
Amount of ATT
-0.0dB
-2.0dB
-4.0dB
-6.0dB
-8.0dB
-10.0dB
-12.0dB
-14.0dB
-16.0dB
-18.0dB
-20.0dB
-22.0dB
-24.0dB
-26.0dB
-28.0dB
-30.0dB
-32.0dB
-34.0dB
-36.0dB
-38.0dB
-40.0dB
-42.0dB
-44.0dB
-48.0dB
-52.0dB
-56.0dB
-60.0dB
-64.0dB
-68.0dB
-72.0dB
-76.0dB
-∞
D01
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
D11
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D21
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
MITSUBISHI
ELECTRIC
( 9
/ 18 )
D31 D41
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 : OFF
0 : ON
D7
0
D7
1
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
(4) Setting code (bass•treble cut / boost and bass boost on / off)
<bass>
cut
D02 D12 D22 D32
0
0
0
1
1
0
0
1
1
1
0
0
0
1
1
1
1
1
0
0
1
1
0
1
1
1
1
0
-3 dB
-6 dB
-10 dB
0 dB
boost
+3 dB
+6 dB
+10 dB
<treble>
cut
D02 D12 D22 D32
0
0
0
0
0
0
0
1
0
1
0
0
0
1
1
0
0
1
0
0
0
1
0
1
0
1
1
0
-3 dB
-6 dB
-10 dB
0 dB
boost
+3 dB
+6 dB
+10 dB
<bass boost ON / OFF>
D02 D12 D22 D32
bass boost ON
bass boost OFF
1
1
1
1
1
1
1
0
(5) Setting code (input selector)
D42 D52
IN1A,2A
IN1B,2B
(SW2,3 ON)
IN1C,2C
(SW6,7 ON)
IN1D,2D
(SW8,9 ON)
(SW4,5 ON)
MITSUBISHI
ELECTRIC
( 10 / 18 )
0
0
1
1
0
1
0
1
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
ELECTRICAL CHARACTERISTICS
(Ta=25°C,AVdd=7.5V,DVdd=5.0V ,f=1kHz
Tone control & Bass Boost setting :0dB , unless otherwise noted)
(1)Power Supply
Parameter
Symbol
Analog supply circuit current
AIdd
Digital supply circuit current
DIdd
Conditions
With AVdd=7.5V,
pin 24 current,
when no signal is provided
With DVdd=5.0V,
pin 23 current,
when no signal is provided
Limits
typ Max
Min
Unit
40
60
mA
0
50
µA
-50
(2)Input/Output
Parameter
Input impedance
Maximum output voltage
Output terminal voltage
Pass gain
Min
Limits
typ Max
Unit
50
100
KΩ
VOM
(input to pin 4 and 39),(input to pin 5 and 38),
(input to pin 6 and 37),(input to pin 7 and 36)
Output from pin 18 and 25 ,RL=10KΩ,THD=1%
1.3
1.8
Vodc
Difference in voltage between pin18,25-pin41,
when no signal is provided
-0.1
0
0.1
V
Vrecdc
Difference in voltage between pin 8,35-pin41,
when no signal is provided
-0.1
0
0.1
V
Vin=0.5Vrms,
Pin(4,39),(5,38),(6,37),(7,36)-(18,25) gains
-2.0
0
2.0
dB
Symbol
Conditions
Rin
Pins 4,5,6,7 and 39,38,37,36,Ta=25°C
Gv
Vono
Output noise voltage
Vrecno
THD
Total harmonic distortion
THDrec
CS
Channel separation
CSrec
JIS-A filter
Rg=10KΩ
When no signal is
provided
Pin18,25
Pin 8,35
Pin 18,25, BW=400~30kHz
Vi= 0.3Vrms , RL=10KΩ
Pin 8,35, BW=400~30kHz
Vi=0.3Vrms, RL=30KΩ
Vo=0.5Vrms , Rg=0KΩ
Between pin 18-25 line ,JIS-A
Vo=0.5Vrms , Rg=0KΩ
Between pin 8-35 line ,JIS-A
MITSUBISHI
ELECTRIC
( 11 / 18 )
3.0
200
Vrms
15.0 µ Vrms
10.0 20.0 µ Vrms
0.02
0.10
%
0.02
0.10
%
-80
-60
dB
-80
-60
dB
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
(3) MIC AMP characteristics
Symbol
Parameter
Conditions
Limits
Min
typ Max
Unit
-2.0
0
dB
Pass gain
GvM
Vin=0.5Vrms,FLAT,
Pin 40 -18,25 gains
Output noise voltage
VNOM
Pin18,25 ,JIS-A filter ,Rg=10K ,FLAT
When no signal is provided
-
3.0
15.0 µ Vrms
Total harmonic distortion THDM
Input to pin 40, output from pin18,25,
BW=400~30kHz
Vi=0.3Vrms , RL=10KΩ
-
0.02
0.1
2.0
%
(4) Tone control characteristics
Parameter
Symbol
Tone control
voltage gain(bass)
Gbboost
Tone control
voltage gain(treble)
Conditions
Gbcut
-10dB
Gtboost
10dB
f=10kHz
(input to pin 4 and 39),
(input to pin 5 and 38),
(input to pin 6 and 37),
(input to pin 7 and 36),
output from pin 13 and 30
-10dB
Limits
typ Max
Unit
7
10
13
dB
-13
-10
-7
dB
7
10
13
dB
-13
-10
-7
dB
10dB
f=150Hz
Gtcut
Min
(5) Bass boost characteristics
Parameter
Bass boost
voltage gain
Symbol
Gboost
Conditions
Input to pin 14 and 29 ,
output from pin 13 and 30
f=100Hz
Min
7
Limits
typ Max
10
13
Unit
dB
(6) Volume characteristics
Parameter
Maximum attenuation
Symbol
Conditions
ATTmav
Input to pins 14 and 29 ,
output from pin 18 and 25
f=1kHz ,JIS-A filter ,ATT=-∞
MITSUBISHI
ELECTRIC
( 12 / 18 )
Min
-
Limits
typ Max
-83
-75
Unit
dB
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
19
470
DGND
30K
+
-
10K
FIN
Amp1
SW19
3K
17
3300p
0.1µ
15
BASS BOOST SW
BASS BOOST SW
VR1
VR2
29
1.5K
SW18
28
0.1µ
BB
Amp1
16
195K
FIN
Amp2
3K
14
+
27
195K
BB
Amp2
-
1.5K
OUT1
56K
+
26
56K
3300p
10µ
LATCH
18
470
10µ
+
-
OUT2
DATA
10µ
25
30K
10K
AVDD=7.5V
21
23
µ-com
INTERFACE
24
DVDD=5V
-
CLOCK
20
22
TEST CIRCUIT
10µ
+
-
13
12
11
10
1.5K
2200p
10K
+
-
9
refAmp
51K
AGND
8
SURROUND SW
0.022µ
20K
2
51K
~
1
AVDD
7
SW2
SW1
MICAmp ref
10µ
4
19K
3
45.8K
10µ
5
SW4
BuffAmp1
SW12
10µ
6
100K
100K
SW6
REC OUT1
10µ
100K
44.7K
SW8
B
SW10
45.8K
BuffAmp2
SW13
MIX
Amp1
44.7K
34.7K
+
-
A
30K
10µ
100K
100K
100K
44.7K
44.7K
100K
100K
100K
37
38
40
42
AGND
A
SW11
+
0.1µ
BASS
Amp1
0.12µ
56K
34.7K 34.7K
B
41
~
SW5
SW3
+
-
10µ
SW7
19K
10µ
~
10K
33
34
35
36
SW9
39
10µ
MIX
Amp2
+
10µ
0.047µ
+
-
BASS
Amp2
+
-
REC OUT2
10µ
~
SW14-C
56K
10µ
10µ
22.5K
8.5K
3K
SW14-B
SW15-B
1.5K
24K
10K
4.5K
SW16-C
SW15-C
30K
SW16-B
SW17-C
0.12µ
2200p
195K
10K
22.5K
8.5K
3K
10K
SW17-B
34.7K
32
195K
24K
10K
4.5K
195K
TONE
Amp1
+
-
0.047µ
TONE
Amp2
+
~
31
30
195K
10µ
Units Resistance :Ω
Capacitance :F
MITSUBISHI
ELECTRIC
( 13 / 18 )
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
FUNCTION DESCRIPTION
(1) Tone controller equivalent circuit
R3
FBASS
CENTER FREQUENCY
f0 = 1 / 2 π
C1
OUT
BASS
C1•C2•R1•R2 [Hz]
R1
Q = (C2•R2 )/ (C1•R1)
C2
EXAMPLE : BASS BAND ( f=150Hz )
R1=1.5KΩ , R2=56KΩ
C1=0.82µ, C2=0.015µ
INBASS
R2
Fig.1 A circuit equivalent to the inside of the tone controller
C1
L
Fig.2 is equivalent to Fig.1. To convert
component constants, the equation below is used.
L=C2 •R1•R2
R3
Fig.2 An equivalent circuit using L
MITSUBISHI
ELECTRIC
( 14 / 18 )
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
(2) Surround block equivalent circuit
CHANNEL1 INPUT
CHANNEL1 OUTPUT
44.7K
44.7K
34.7K
34.7K
EXTERNAL C
MIC INPUT
20K
34.7K
34.7K
44.7K
44.7K
CHANNEL2 OUTPUT
CHANNEL2 INPUT
BAND-PASS FILTER
REGULATING SURROUND
MITSUBISHI
ELECTRIC
( 15 / 18 )
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
MASTER VOLUME EQUIVALENT CIRCUIT
10432
8274
6576
5216
4150
3292
20040
7167
5700
4524
3591
2850
2268
1800
1428
1137
17586
4626
13968
11094
8814
7002
5562
4416
6297
3972
2505
1581
996
630
396
250.5
321.7
-0.0dB
+
-2.0dB
-
-4.0dB
-6.0dB
-8.0dB
-10.0dB
-12.0dB
Reference values for mastervolume attenuation
Amount of ATT
D01
D11
D21
D31
D41
-0.0dB
-2.0dB
-4.0dB
-6.0dB
-8.0dB
-10.0dB
-12.0dB
-14.0dB
-16.0dB
-18.0dB
-20.0dB
-22.0dB
-24.0dB
-26.0dB
-28.0dB
-30.0dB
-32.0dB
-34.0dB
-36.0dB
-38.0dB
-40.0dB
-42.0dB
-44.0dB
-48.0dB
-52.0dB
-56.0dB
-60.0dB
-64.0dB
-68.0dB
-72.0dB
-76.0dB
-∞
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
-14.0dB
-16.0dB
-18.0dB
-20.0dB
-22.0dB
-24.0dB
-26.0dB
-28.0dB
-30.0dB
-32.0dB
-34.0dB
-36.0dB
-38.0dB
-40.0dB
-42.0dB
-44.0dB
-48.0dB
-52.0dB
-56.0dB
-60.0dB
-64.0dB
-68.0dB
-72.0dB
-76.0dB
-∞
MITSUBISHI
ELECTRIC
( 16 / 18 )
MITSUBISHI
ELECTRIC
( 17 / 18 )
IN1D
IN1C
100KΩ
44.7KΩ
+6dB
34.7KΩ
SW10
A B
44.7KΩ
- 6dB
34.7KΩ
10KΩ
Cut(bass)
56K
Cut(tre)
SW12
1.5K
4.5K
SW16-C
10K
SW14-B
24K
Boost(bass)
3K
SW16-B
8.5K
Boost(tre)
22.5K
SW14-C
MIC IN
SW8
SW6
SW4
SW2
45.8KΩ
19KΩ
IN1B
+10dB
IN1A
10KΩ
TONE
OUT1
SIGNAL TRANSMISSION BLOCK DIAGRAM
VR1
56K
VOL IN1
Bass boost
1.5K
SW18
10KΩ
OUT1
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
MITSUBISHI SOUND PROCESSORS
M62428FP
DIGITAL SOUND CONTROLLER
APPLICATION EXAMPLE
22
21
µ -COM
DVDD=5V
20
23
µ-com
INTERFACE
10µ
Power AMP
19
24
Power AMP
10µ
470
18
25
AVDD=7.5V
470
+
16
15
14
13
12
10K
10
9
10µ
5
10µ
10µ
CD
4
19K
SW2
SW1
3
AVDD
SURROUND SW
0.022µ
20K
2
51K
51K
AGND
Units
MITSUBISHI
ELECTRIC
( 18 / 18 )
DECK
7
10µ
TUNER
SW4
100K
8
SW10
REC OUT1
6
SW6
45.8K
10µ
100K
44.7K
44.7K
44.7K
SW8
BuffAmp1
SW12
SW13
MICAmp ref
refAmp
MIX
Amp1
B
A
45.8K
BuffAmp2
0.015µ
1
40
100K
SW11
41
42
A
1.5K
56K
34.7K 34.7K
B
+
AGND
10K
34.7K
+
-
SW3
+
-
VOL
44.7K
100K
100K
100K
100K
39
19K
10µ
MIC AMP
34.7K
+
-
10K
33
34
35
36
37
38
SW5
+
10µ
MIX
Amp2
SW7
0.82µ
BASS
Amp1
+
-
10µ
0.047µ
SW14-C
+
-
10µ
22.5K
8.5K
3K
SW14-B
BASS
Amp2
SW9
10µ
11
SW15-B
1.5K
24K
10K
4.5K
SW16-C
56K
10µ
SW16-B
SW17-C
0.82µ
REC OUT2 10µ
195K
100K
22.5K
8.5K
3K
10K
SW17-B
195K
TONE
Amp1
+
-
29
30
31
32
TONE
Amp2
195K
24K
10K
4.5K
3K
BASS BOOST SW
VR1
VR2
SW15-C
0.015µ
1µ
100K
28
BASS BOOST SW
+
-
0.047µ
0.033µ
SW18
195K
10µ
1.5K
+
3K
SOURCE2
17
SW19
1µ
MIC
BB
Amp1
FIN
Amp1
+
-
10K
27
FIN
Amp2
10K
BB
Amp2
-
1.5K
195K
+
-
+
0.033µ
56K
195K
-
26
56K
Resistance :Ω
Capacitance :F