MITSUBISHI SOUND PROCESSOR
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M62440FP
ELECTRIC VOLUME CONTROL WITH TONE
CONTROLLER FOR 4-SPEAKER APPLICATIONS
Description
The M62440FP is an IC developed for car audio, it has a built-in 4ch input selector,
master volume, loudness, tone control and fader volume blocks. All of these blocks are
controlled via serial data.Thank to the used zero crossing detector, very low click noise
are obtained.
Features
Built-in zero cross detector prevents click noise
4-input Selector
Loudness
Tone Control Bass/Mid/Treble
Master Volume/Fader Volume
Serial Data Control
Outline 42P2R
Recommended Operating Conditions
Supply voltage range•••••Vcc=6 ~ 9V
VDD=4 ~ 6V
Rated supply voltage••••••Vcc=8V
VDD=5V
Block Diagram
Lch
Front
IND2
Bass/
Mid/
Treble
INC2
Fader
INB2
INA2
IND1
INC1
INB1
Volume
&
Loudness
Zero Cross
Detector
Zero Cross
Detector
Rear
Interface
Front
Bass/
Mid/
Treble
Fader
INA1
Rear
Rch
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ELECTRIC
(1/10)
10µ
MITSUBISHI
ELECTRIC
2
41
INA1
22K
22K
INA2
INB1
22K
3
40
22K
INB2
INC1
22K
4
IND1
22K
5
38
22K
22K
22K
IND4
REF
39
22K
INC3
6
37
2.2µ
2.2µ
7
36
A
A
34
8
33
ZERO CROSS
DETECTOR
ZERO CROSS
DETECTOR
6.8K
0.068µ
9
11
32
100K
0.0033µ
0.047µ
0.068µ
10
Loudness SW
B
0.047µ
0.068µ
Loudness SW
B
35
0.068µ
6.8K
1.5K
1.5K
0.01µ
12
31
0.01µ
13
30
1µ
1µ
RROUT
14
29
28
ON
SW B
RROUT
OFF
SW A
27
15
FROUT
16
17
GND
VDD
26
VDD
OFF
ON
24
N.C.
N.C.
18
19
I/F
23
0.22µ
20
Vcc
200K
TIMER
DETECTOR
25
N.C.
Loudness OFF
FROUT
∞
+
47K
47K
1
VCC
42
VCC
0.0033µ
100K
Loudness ON
+
∞
Pin Configuration & Application Example
+
∞
∞
+
(2/10)
MCU
N.C.
21
22
N.C.
Pin Description
Pin No.
Symbol
Function
1
REF
2
INA1
3
INB1
4
INC1
5
IND1
6
SELECT OUT1 Output pin of the input selector switch block
7
VOL IN1
8
LOUD IN1
9
BASSA1
10
BASSB1
11
MID1
R-ladder terminal of tone(Mid)
12
TRE1
R-ladder terminal of tone(Treble)
13
TONE OUT1
Output pin of the tone block
14
FADER IN1
Input pin of the fader volume
15
REAR OUT1
Output pin of the fader volume(Rear)
16
FRONT OUT1
Output pin of the fader volume(Front)
17
GND
Ground
18
N.C.
Non Connection
19
TIM1
Timer setting terminal
The relationship between outside parts
C and setting time is T=13.8X 10 4 •C(sec).
20
DATA
Input pin of the control data
This pin inputs data in synchronization with CLOCK
21
N.C.
Non Connection
IC signal ground. Apply 1/2 Vcc
Input pin for channel 1 of the input
selector switch block
Input pin of the volume block
Pin for setting the frequency characteristics
of the loudness block
Pin for setting the frequency characteristics
of the tone(Bass) block
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ELECTRIC
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Pin No.
Symbol
Function
22
N.C.
Non Connection
23
CLOCK
Clock input pin for serial data transfer
24
N.C.
Non Connection
25
N.C.
Non Connection
26
VDD
Digital power supply pin, normally +5V
27
FRONT OUT2
Output pin of the fader volume(Front)
28
REAR OUT2
Output pin of the fader volume(Rear)
29
FADER IN2
Input pin of the fader volume
30
TONE OUT2
Output pin of the tone block
31
TRE2
R-ladder terminal of tone(Treble)
32
MID2
R-ladder terminal of tone(Mid)
33
BASSB2
34
BASSA2
35
LOUD IN2
Pin for setting the frequency characteristics
of the loudness block
36
VOL IN2
Input pin of the volume block
37
Pin for setting the frequency characteristics
of the tone(Bass) block
SELECT OUT2 Output pin of the input selector switch block
38
IND2
39
INC2
40
INB2
41
INA2
42
Vcc
Input pin for channel 2 of the input
selector switch block
Analog power supply pin
MITSUBISHI
ELECTRIC
(4/10)
Absolute Maximum Ratings
Symbol
Parameter
Vcc,VDD
Supply Voltage
Pd
Power Dissipation
K
Thermal Derating Ratio
Topr
Tstg
Conditions
Ratings
Unit
10 , 7
V
Ta≤25
990
mW
Ta≥25
9.9
mW/°C
Operating Temperature
-30 ~ 85
°C
Storage Temperature
-55 ~ 125
°C
Thermal Derating
Power Dissipation Pd [ mW ]
1000
990
800
600
400
200
25
50
75 85
100
125
150
Ambient Temperature Ta [ °C ]
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ELECTRIC
(5/10)
Electrical Characteristics
Ta=25°C,Vcc=8V,VDD=5V,VOL/FADER=0dB,TONE/FLAT,Loudness OFF unless otherwise noted
Limits
Symbol
Parameter
Test Conditions
Unit
Min
Icc
Circuit current
GV
Pass Gain
ATT(VOL)
∆ATT(VOL)
VIM
Maximum Attenuation
Attenuation Error
Maximum Input Voltage
No input signal
Outside resister 22KΩ
of pin 2~5,pin 38~41
Vi=1Vrms , f=1KHz
ATT(VOL)=-30dB
ATT(VOL)= 0dB
f=1KHz , BW:400~30KHz
THD=1%
-3.5
typ
Max
20
35
mA
0
3.5
dB
-27.5
dB
2.5
dB
-32.5 -30
-2.5
0
1.8
2.2
Vrms
G(Bass)B
Bass Boost
f=100Hz
13
16
19
dB
G(Bass)C
Bass Cut
f=100Hz
-15
-12
-9
dB
G(MID)B
MID Boost
f=1KHz
9
12
15
dB
G(MID)C
MID Cut
f=1KHz
-15
-12
-9
dB
G(Tre)B
Treble Boost
f=10KHz
9
12
15
dB
G(Tre)C
Treble Cut
f=10KHz
-15
-12
-9
dB
-90
-80
dB
A TT (FED)
VOM
Maximum Attenuation
Maximum Output Voltage
Vi=1Vrms , f=1KHz
ATT(FED)= -∞dB
f=1KHz , BW:400~30KHz
THD=1%
1.8
Rg=0,DIN-AUDIO
Vno 1
Output Noise Voltage
Vno 2
Vrms
2.2
10
18
µVrms
ATT(VOL)= -30dB
ATT(FED)= -∞dB
Rg=0,DIN-AUDIO
3
8
f=1KHz,Vo=0.5Vrms
%
THD
Total Harmonic Distortion
CS
Channel Separation
f=1KHz
-90
-80
dB
CT
Cross Talk of Input Selector
f=1KHz
-75
-65
dB
G(LOUD)L
Voltage Gain of Loudness
G(LOUD)H
0.01 0.05
BW:400Hz~30KHz
Loudness ON
f=100Hz,ATT(VOL)=-30dB
7.0
Loudness ON
f=10KHz,ATT(VOL)=-30dB
3.5
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ELECTRIC
11.0 15.0
dB
6.5
9.5
(6/10)
RELATIONSHIP BETWEEN DATA AND CLOCK
CLOCK
D0
D1
D2
D12
D3
D13
D14
DATA
DATA reading mode ;
The rising edge of the CLOCK signal
LATCH SIGNAL "H"
LATCH reading mode ;
The falling edge of the CLOCK signal
DIGITAL CIRCUIT DC CHARACTERISTICS
Symbol
Parameter
Test conditions
V IL
V IH
I IL
I IH
"L" level input voltage
"H" level input voltage
"L" level input current
"H" level input current
DATA,CLOCK pins
DATA,CLOCK
V I =0
pins
I
DD
V =V
Limits
typ Max
0
~
0.2V DD
0.8 VDD ~
V DD
Min
-10
10
Unit
V
µA
10
DIGITAL CIRCUIT AC CHARACTERISTICS
Symbol
f
f
f
f
f
f
f
cr
WHC
WLC
Parameter
CLOCK Cycle time
Min
1.6
CLOCK pulse width ("H" level)
CLOCK pulse width ("L" level)
1.6
SD
0.8
HD
DATA hold time
0.8
f
Unit
4
CLOCK rise time
CLOCK fall time
DATA setup time
r
Limits
typ Max
0.4
0.4
MITSUBISHI
ELECTRIC
µS
(7/10)
CLOCK DATA TIMING
t
cr
75%
CLOCK
25%
t
r
t
WHC
t
f
t
WLC
DATA
t SD
MITSUBISHI
ELECTRIC
t
HD
(8/10)
Data Input Format
Data Select
00:Input Selector/Loudness/Volume
10:Fader
01:Bass/Treble/Mid
0:1CH
1:2CH
0:Both Channel
1:Side Channel
0:Loudness OFF
1:Loudness ON
D0
0
0
D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14
Input
Selector
Fader
ATTF2
Bass
Volume
0/1 0 0/1 0/1
0/1 0/1
Fader
ATTF1
Treble
0
0
0 0/1 1
0
0
1
Mid
0:Front/Rear Both
1:Front/Rear Independence
0:Front Point Zero Detect
1:Rear Point Zero Detect
0:Front
1:Rear
*Input selector, Loudness and Tone(Bass/Mid/Treble) are always
set for same conditions of both channel(1ch & 2ch).
Volume Code
ATT V1
0dB
-4dB
-8dB
-12dB
-16dB
-20dB
-24dB
-28dB
D7
1
0
1
0
1
0
0
1
D8
0
0
1
1
0
0
1
1
D9
1
1
0
0
0
0
1
1
ATT V2
0dB
-1dB
-2dB
-3dB
D10
1
0
1
0
D11
1
1
0
0
Fader Code
ATT F1
0dB
-8dB
-16dB
-24dB
-32dB
-40dB
-48dB
-56dB
-∞dB
D7
1
1
0
1
0
1
0
1
0
D8
0
1
1
0
0
1
1
0
0
D9
0
1
1
1
1
0
0
0
0
D10
1
0
0
0
0
0
0
0
0
MITSUBISHI
ELECTRIC
ATT F2
0dB
-2dB
-4dB
-6dB
D1
1
0
1
0
D2
1
1
0
0
(9/10)
Tone Code
Bass
D0
D1
D2
D3
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
0
1
1
0
0
1
0
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
Treble
D4
D5
D6
D7
12dB
10dB
8dB
6dB
4dB
2dB
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
0
1
1
0
0
1
1
1
1
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
Mid
D8
D9
D10
D11
12dB
10dB
8dB
6dB
4dB
2dB
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
0
1
1
0
0
1
1
1
1
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
Input Selector
D1
D2
D (5,38pin)
C (4,39pin)
B (3,40pin)
A (2,41pin)
1
1
0
0
1
0
1
0
16dB
14dB
12dB
10dB
8dB
6dB
4dB
2dB
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
Input Selector
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ELECTRIC
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