MITSUBISHI SOUND PROCESSOR
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M62490FP
ELECTRIC VOLUME CONTROL WITH TONE
CONTROLLER FOR 4-SPEAKER APPLICATIONS
Description
Developed for car audio
Uses it for analog small signal handling of stage before power amplifier
Use to Home audio system,television are thought about other than car audio system
Features
Built-in zero cross detector prevents click noise
Differential Amplifier
Loudness
Tone Control Bass/Mid/Treble
Master Volume/Fader Volume
Serial Data Control
Outline 36P2R
Recommended Operating Conditions
Supply voltage range••••Vcc=6 to 9V
VDD=4 to 6V
Rated supply voltage••••Vcc=8V
VDD=5V
Block Diagram
Lch
Front
DEFN
IN2
DEFP
IN2
Differential
Amplifier
Mixing
Amp
LchIN
Volume
&
Loudness
RchIN
DEFN
IN1
DEFP
IN1
Bass/
Mid/
Treble
Differential
Amplifier
Mixing
Amp
Fader
Zero cross
Detector
Zero cross
Detector
Bass/
Mid/
Treble
Rear
µ-com Interface
Front
Fader
Rear
Rch
MITSUBISHI
ELECTRIC
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MITSUBISHI
ELECTRIC
10µ
VCR
TV
TAPE
CD
RD
3
4
22K
22K
5
32
2.2µ
A
A
7
0.22µ
28
0.068µ
6.8K
8
0.01µ
11
26
0.01µ
OFF
ON
SW A
SW B
12
25
1µ
1µ
(2/10)
OFF
ON
Loudness OFF
Outside Harmonic
parts for MID
10
27
Loudness ON
6.8K
0.068µ
9
ZERO CROSS
DETECTOR
ZERO CROSS
DETECTOR
29
0.068µ
0.068µ
1.6K
B
B
30
10K 820p
6
31
1.6K
LOUDNESS SW
47K
2
22K
22K
33
10K 820p
Outside Harmonic
parts for MID
RROUT
13
24
RROUT
23
22
14
16
GND
0.22µ
Vcc
17
200K
TIMER
DETECTOR
FROUT
15
20
N.C.
VDD
(DIGITAL)
21
VDD
FROUT
+
1
56K
56K
56K
56K
34
DIFFERENTIAL
AMPLIFIER SW
47K
35
2.2µ
0.22µ
LOUDNESS SW
REF
VCC
(ANALOG)
36
VCC
RD
CD
TAPE
TV
VCR
+-
Pin Configuration & Application Example
+
+
DIFFERENTIAL
AMPLIFIER SW
18
I/F
19
MCU
Pin Description
Pin No.
Function
Symbol
1
REF
IC signal ground. Apply 1/2 Vcc
2
DEFP IN1
Differential amplifier input +
3
DEFN IN1
Differential amplifier input -
4
MIX IN1
Mixing amplifier input -
5
MIX OUT1
Mixing amplifier input +
6
VOL IN1
Input pin of the volume block
7
LOUD IN1
Pin for setting the frequency characteristics
of the loudness block
8
BASSA1
9
BASSB1
Pin for setting the frequency characteristics
of the tone(Bass) block
10
MID1
R-ladder terminal of tone(Mid)
11
TRE1
R-ladder terminal of tone(Treble)
12
TONE OUT1
Output pin of the tone block
13
FADER IN1
Input pin of the fader volume
14
REAR OUT1
Output pin of the fader volume(Rear)
15
FRONT OUT1 Output pin of the fader volume(Front)
16
GND
17
TIM1
Timer setting terminal
The relationship between outside parts
C and setting time is T=13.8X 10 4 •C(sec).
18
DATA
Input pin of the control data
This pin inputs data in synchronization with CLOCK
Ground
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ELECTRIC
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Pin No.
Function
Symbol
19
CLOCK
Clock input pin for serial data transfer
20
N.C.
Non Connection
21
VDD
Digital power supply pin, normally +5V
22
FRONT OUT2
Output pin of the fader volume(Front)
23
REAR OUT2
Output pin of the fader volume(Rear)
24
FADER IN2
Input pin of the fader volume
25
TONE OUT2
Output pin of the tone block
26
TRE2
R-ladder terminal of tone(Treble)
27
MID2
R-ladder terminal of tone(Mid)
28
BASSB2
29
BASSA2
Pin for setting the frequency characteristics
of the tone(Bass) block
30
LOUD IN2
Pin for setting the frequency characteristics
of the loudness block
31
VOL IN2
Input pin of the volume block
32
MIX OUT2
Mixing amplifier output
33
MIX IN2
Mixing amplifier input
34
DEFN IN2
Differential amplifier input -
35
DEFP IN2
Differential amplifier input +
36
Vcc
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°C
990
mW
Ta≥25°C
9.9
mW/°C
Operating Temperature
-30 ~ 85
°C
Storage Temperature
-55 ~ 125
°C
Thermal Derating
Power Dissipation Pd [ mW ]
1000
960
800
600
400
385
200
25
50
75 85
100
125
150
Ambient Temperature Ta [ °C ]
MITSUBISHI
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
No input signal
Outside resister 22KΩ of pin4,33
Outside resister 56KΩ of pin2,3,34,35
-3.5
typ
Max
20
35
mA
0
3.5
dB
-27.5
dB
2.5
dB
Maximum Attenuation
Vi=1Vrms , f=1KHz
ATT(VOL)=-30dB
-32.5 -30
Attenuation Error
ATT(VOL)= 0dB
-2.5
0
1.8
2.2
Maximum Input Voltage
f=1KHz , BW:400Hz to 30KHz
THD=1%
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
Outside Harmonic
amplifier
9
12
15
dB
G(MID)C
MID Cut
f=1KHz
Outside Harmonic
amplifier
-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:400Hz to 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
Differential amplifier SW
f=1KHz
-75
-65
dB
G(LOUD)L
Voltage Gain of Loudness
G(LOUD)H
0.03 0.05
BW:400Hz to 30KHz
Loudness ON
f=100Hz,ATT(VOL)=-30dB
7.0
Loudness ON
f=10KHz,ATT(VOL)=-30dB
3.5
MITSUBISHI
ELECTRIC
11.0 15.0
dB
6.5
9.5
(6/10)
RELATIONSHIP BETWEEN DATA AND CLOCK
CLOCK
D0
D1
D2
D12
D3
D15
D16
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
t
t
t
t
t
t
t
Parameter
Min
cr
CLOCK Cycle time
WHC
CLOCK pulse width (''H'' level)
1.6
CLOCK pulse width (''L'' level)
CLOCK rise time
1.6
WLC
r
f
SD
HD
Limits
typ Max
Unit
4
0.4
0.4
CLOCK fall time
DATA setup time
DATA hold time
µS
0.8
0.8
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ELECTRIC
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CLOCK DATA TIMING
t
cr
75%
CLOCK
25%
t
t
r
t
WHC
t
f
WLC
DATA
t SD
MITSUBISHI
ELECTRIC
t
HD
(8/10)
Data Input Format
0:Loudness OFF
1:Loudness ON
Data Select(D15,D16)
00:Volume/Differential Amplifier SW/Loudness
10:Fader
01:Bass/Treble/Mid
0:Differential Amplifier SW OFF
1:Differential Amplifier SW ON
D0
D1 D2
0/1 0/1
D3
D4 D5
Volume CH1
(ATTV1)
Bass
D7
D8 D9 D10 D11 D12 D13 D14 D15 D16
Volume CH2
(ATTV1)
(ATTV2)
Fader(Front)
(ATTF1)
0/1 0/1
D6
Volume CH1
Fader(Front)
(ATTF2)
Volume CH2
(ATTV2)
Fader(Rear)
(ATTF1)
Treble
Mid
0
0
Fader(Rear)
(ATTF2)
0
0
0
0/1 1
0
0
1
0
0:Front Point Zero Detect
1:Rear Point Zero Detect
0:Both Channel
1:Side Channel
0:1CH
1:2CH
Volume Code
CH1
CH2
0dB
-4dB
-8dB
-12dB
-16dB
-20dB
-24dB
-28dB
D2
D7
1
0
1
0
1
0
0
1
ATTV1
D3
D8
0
0
1
1
0
0
1
1
CH1
CH2
0dB
-1dB
-2dB
-3dB
D4
D9
1
1
0
0
0
0
1
1
ATTV2
D5
D10
1
0
1
0
D6
D11
1
1
0
0
Fader Code
FRONT
ATTF1 REAR
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
-14dB
-16dB
-24dB
-32dB
-40dB
-48dB
-56dB
-∞dB
D2
D8
1
0
0
1
1
0
1
0
0
1
0
1
0
1
0
D3
D9
0
0
1
1
1
0
0
1
1
0
0
1
1
0
0
D4
D10
D5
D11
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
1
1
1
0
0
0
0
0
0
0
MITSUBISHI
ELECTRIC
FRONT
ATTF2
REAR
0dB
-2dB
-4dB
-6dB
D6
D12
D7
D13
1
0
1
0
1
1
0
0
Please keep ATTF2 to 0dB when you
set fader code from 0dB to -16dB
(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
16dB
14dB
12dB
10dB
8dB
6dB
4dB
2dB
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
MITSUBISHI
ELECTRIC
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