Page 1
Supply voltage range••••Vcc=6 to 9V Rated supply voltage••••Vcc=8V
VDD=4 to 6V VDD=5V
Block Diagram
ELECTRIC
MITSUBISHI
M62490FP
ELECTRIC VOLUME CONTROL WITH TONE
CONTROLLER FOR 4-SPEAKER APPLICATIONS
MITSUBISHI SOUND PROCESSOR
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
Outline 36P2R
(1/10)
Built-in zero cross detector prevents click noise
Differential Amplifier
Loudness
Tone Control Bass/Mid/Treble
Master Volume/Fader Volume
Serial Data Control
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
Description
Features
Recommended Operating Conditions
Lch
Front
DEFN
IN2
DEFP
IN2
LchIN
RchIN
DEFN
IN1
DEFP
IN1
Differential
Amplifier
Differential
Amplifier
Mixing
Amp
Mixing
Amp
Volume
&
Loudness
Bass/
Mid/
Treble
Zero cross
Detector
Zero cross
Detector
Bass/
Mid/
Treble
Fader
Rear
µ-com Interface
Front
Fader
Rear
Rch
Page 2
MCU
N.C.
VDD
FROUT
RROUT
1µ
0.01µ
Outside Harmonic
parts for MID
6.8K
19
20
21
26 25
27
28
VDD
(DIGITAL)
I/F
Vcc
200K
TIMER
DETECTOR
+
-
+
-
+
-
+
GND
18
16 17
15
14
12 13
11
9 10
0.22µ
1µ
0.01µ
Outside Harmonic
6.8K
FROUT
RROUT
ON
Loudness OFF
parts for MID
OFF
Loudness ON
OFF
ON
29
0.068µ 0.068µ
1.6K
0.22µ
820p
10K
2.2µ
LOUDNESS SW
30 2224 23
31
B
A
ZERO CROSS
32
22K
33
DIFFERENTIAL
RD
CD
TV
TAPE
VCR
VCC
AMPLIFIER SW
3435
36
VCC
(ANALOG)
56K
22K
56K
Pin Configuration & Application Example
ZERO CROSS
DETECTOR
DETECTOR
56K
LOUDNESS SW
A
22K
DIFFERENTIAL
AMPLIFIER SW
22K
56K
REF
8
0.068µ 0.068µ
B
71
6
1.6K
10K 820p
2.2µ
SW A
SW B
0.22µ
5
43
TV
RD
CD
47K
VCR
TAPE
2
47K
MITSUBISHI
ELECTRIC
10µ
(2/10)
Page 3
Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
Symbol
REF
DEFP IN1
DEFN IN1
MIX IN1
MIX OUT1
VOL IN1
LOUD IN1
BASSA1
BASSB1
MID1
TRE1
TONE OUT1
Function
IC signal ground. Apply 1/2 Vcc
Differential amplifier input +
Differential amplifier input Mixing amplifier input -
Mixing amplifier input +
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
R-ladder terminal of tone(Mid)
R-ladder terminal of tone(Treble)
Output pin of the tone block
13
14
15
16
17
18
FADER IN1
REAR OUT1
FRONT OUT1
GND
TIM1
DATA
Input pin of the fader volume
Output pin of the fader volume(Rear)
Output pin of the fader volume(Front)
Ground
Timer setting terminal
The relationship between outside parts
C and setting time is T=13.8X 10 •C(sec).
Input pin of the control data
This pin inputs data in synchronization with CLOCK
MITSUBISHI
ELECTRIC
4
(3/10)
Page 4
Pin No.
Symbol
Function
19
20
21
22
23
24
25
26
27
28
29
30
31
CLOCK
N.C.
VDD
FRONT OUT2
REAR OUT2
FADER IN2
TONE OUT2
TRE2
MID2
BASSB2
BASSA2
LOUD IN2
VOL IN2
Clock input pin for serial data transfer
Non Connection
Digital power supply pin, normally +5V
Output pin of the fader volume(Front)
Output pin of the fader volume(Rear)
Input pin of the fader volume
Output pin of the tone block
R-ladder terminal of tone(Treble)
R-ladder terminal of tone(Mid)
Pin for setting the frequency characteristics
of the tone(Bass) block
Pin for setting the frequency characteristics
of the loudness block
Input pin of the volume block
32
33
34
35
36
MIX OUT2
MIX IN2
DEFN IN2
DEFP IN2
Vcc
Mixing amplifier output
Mixing amplifier input
Differential amplifier input -
Differential amplifier input +
Analog power supply pin
MITSUBISHI
ELECTRIC
(4/10)
Page 5
Absolute Maximum Ratings
Symbol
Vcc,VDD
Pd
K
Topr
1000
960
Parameter
Supply Voltage
Power Dissipation
Thermal Derating Ratio
Operating Temperature
Storage Temperature
Thermal Derating
Conditions
Ta≤25°C
Ratings
10 , 7 V
990
9.9 mW/°CTa≥25°C
-30 ~ 85
-55 ~ 125Tstg
Unit
mW
°C
°C
800
600
400
385
200
Power Dissipation Pd [ mW ]
25 50 75 100
Ambient Temperature Ta [ °C ]
85
125 150
MITSUBISHI
ELECTRIC
(5/10)
Page 6
Electrical Characteristics
Ta=25°C,Vcc=8V,VDD=5V,VOL/FADER=0dB,TONE/FLAT,Loudness OFF unless otherwise noted
Limits
Symbol Parameter Test Conditions
Min
typ
Max
Unit
Icc
GV
ATT(VOL)
∆ATT(VOL)
VIM
G(Bass)B
G(Bass)C
G(MID)B
G(MID)C
G(Tre)B
G(Tre)C
Circuit current
Pass Gain
Maximum Attenuation
Attenuation Error
Maximum Input Voltage
Bass Boost
Bass Cut
MID Boost
MID Cut
Treble Boost
Treble Cut
No input signal
Outside resister 22KΩ of pin4,33
Outside resister 56KΩ of pin2,3,34,35
Vi=1Vrms , f=1KHz
ATT(VOL)=-30dB
ATT(VOL)= 0dB
f=1KHz , BW:400Hz to 30KHz
THD=1%
f=100Hz
f=100Hz
f=1KHz
f=1KHz
Outside Harmonic
amplifier
Outside Harmonic
amplifier
f=10KHz
f=10KHz
20 mA
35
-3.5 0 3.5
-30
-32.5
-2.5
1.8
13
-15
9
-15 -12
9
-15
-27.5
0
2.5
2.2
16
19
-12
12 15
12
-12
-9
15
-9
-9
dB
dB
dB
Vrms
dB
dB
dB
dB
dB
dB
ATT(FED)
VOM
Vno 1
Vno 2
THD
CS
CT
G(LOUD)L
G(LOUD)H
Maximum Attenuation
Maximum Output Voltage
Output Noise Voltage
Total Harmonic Distortion
Channel Separation
Cross Talk of
Differential amplifier SW
Voltage Gain of Loudness
Vi=1Vrms , f=1KHz
ATT(FED)= -∞dB
f=1KHz , BW:400Hz to 30KHz
THD=1%
Rg=0,DIN-AUDIO
ATT(VOL)= -30dB
ATT(FED)= -∞dB
Rg=0,DIN-AUDIO
f=1KHz,Vo=0.5Vrms
BW:400Hz to 30KHz
f=1KHz
1.8
-90
2.2
10 18
3 8
0.03
-90
-80
Vrms
µVrms
0.05
-80
f=1KHz -75 -65 dB
Loudness ON
f=100Hz,ATT(VOL)=-30dB
Loudness ON
f=10KHz,ATT(VOL)=-30dB
11.0
15.07.0
6.5
3.5 9.5
dB
%
dB
dB
MITSUBISHI
ELECTRIC
(6/10)
Page 7
CLOCK
RELATIONSHIP BETWEEN DATA AND CLOCK
DATA
D1 D2D0 D3
D12
DATA reading mode ;
The rising edge of the CLOCK signal
LATCH reading mode ;
The falling edge of the CLOCK signal
DIGITAL CIRCUIT DC CHARACTERISTICS
IL
V
IH
V
IL
I
IH
I
"L" level input voltage
"H" level input voltage
"L" level input current
"H" level input current
DATA,CLOCK pins
I
V =0
I
V =V
DATA,CLOCK
pins
DD
D15 D16
LATCH SIGNAL "H"
Limits
Min typ Max
0
~
DD
0.8
-10 10
~
V
0.2
UnitSymbol Parameter Test conditions
DD
V
DD
V
10
V
µA
DIGITAL CIRCUIT AC CHARACTERISTICS
t cr
t WHC
t
WLC
r
t
t f
t SD
t
HD
CLOCK Cycle time
CLOCK pulse width (''H'' level)
CLOCK pulse width (''L'' level)
CLOCK rise time
CLOCK fall time
DATA setup time
DATA hold time
MITSUBISHI
ELECTRIC
Min
1.6
1.6
0.8
0.8
4
Limits
typ
Max
0.4
0.4
(7/10)
UnitSymbol Parameter
µ S
Page 8
CLOCK DATA TIMING
75%
CLOCK
25%
cr
t
DATA
r
t
WHC
t
f
t
WLC
t
SD
t
HD
t
MITSUBISHI
ELECTRIC
(8/10)
Page 9
Data Input Format
0:Loudness OFF
1:Loudness ON
0:1CH
1:2CH
Volume Code
ATTV1
Data Select(D15,D16)
00:Volume/Differential Amplifier SW/Loudness
0:Differential Amplifier SW OFF
1:Differential Amplifier SW ON
D0 D16D15D12D11D10D9D8D7D6D5D4D3D2D1 D13 D14
0/1
0/1
0/1 0/1
Volume CH1
(ATTV1)
Fader(Front)
(ATTF1) (ATTF2)
Volume CH1 Volume CH2
(ATTV2) (ATTV1) (ATTV2)
Volume CH2
(ATTF1) (ATTF2)
Bass Treble Mid
0:Both Channel
1:Side Channel
D2 D3 D4CH1
0dB
-4dB
-8dB
-12dB
-16dB
-20dB
-24dB
-28dB
CH2
D7 D9
1
0
1
0
1
0 0 0
0
1 1 1
D8
0
0
1
1
0
1
1
1
0
0
0
1
10:Fader
01:Bass/Treble/Mid
0
0
Fader(Rear)Fader(Rear)Fader(Front)
0 0
ATTV2
CH1
CH2
0dB
-1dB
-2dB
-3dB
0
0
0/1
1 0
0 1
0:Front Point Zero Detect
1:Rear Point Zero Detect
D5 D6
D10 D11
1
0
1
0 0
1
1
0
Fader Code
FRONT
ATTF1
REAR
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
-14dB
-16dB
-24dB
-32dB
-40dB
-48dB
-56dB
-∞dB
D3 D4D2 D5
D8
1 0
0 0 0 1
0 1 0 1
1 1 0 1
1
0 0 1
1
0 1
0
1
0
1
0
1 0 0
0 0 0
D9 D10
0 1
1
0 1 1
1
0
0
1
1
1
1
1
1
1
0
0
MITSUBISHI
ELECTRIC
D11
0
1
1
0
0
0
0
0
0
0
FRONT
ATTF2
REAR
0dB
-2dB
-4dB
-6dB
Please keep ATTF2 to 0dB when you
set fader code from 0dB to -16dB
D6 D7
D12 D13
1
0
1
0 0
1
1
0
(9/10)
Page 10
Tone Code
Bass
16dB
14dB
12dB
10dB
8dB
6dB
4dB
2dB
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
Treble
12dB
10dB
8dB
6dB
4dB
2dB
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
D4
0
1
0
1
0
1 0 0
0 0 0
1 0 0
0
1
0
1
0
D1
1
1
0
0
1
1
0 0
0 0
0 0
1
1
0
0
1
D5
1
0
0
1
1
1
1
0
0
1
D2 D3
1
1
1
1
0
0
0
0
1
1
1
D6 D7
1
1
1
0
0
0
0
1
1
1
10 0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
Mid
12dB
10dB
8dB
6dB
4dB
2dB
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
D8
0
1
0
1
0
1 0 0
0 0 0
1 0 0
0
1
0
1
0
1
0
0
1
1
1
1
0
0
1
MITSUBISHI
ELECTRIC
D10 D11D9
1
1
1
0
0
0
0
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
(10/10)
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