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PR
. e. tion ang fica to ch i pec ct al s subje n a fi are not imits s is i ric l ; Thamet tice ar No me p o s
IM EL
R NA I
Y
MITSUBISHI SOUND PROCESSOR
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 LchIN
Differential Amplifier Mixing Amp
Bass/ Mid/ Treble
Volume & Loudness
Fader
Zero cross Detector Zero cross Detector Bass/ Mid/ Treble -com Interface
Rear
RchIN DEFN IN1 DEFP IN1 Mixing Amp
Front
Differential Amplifier
Fader Rear Rch
MITSUBISHI ELECTRIC
(1/10)
Pin Configuration & Application Example
RD CD TAPE TV VCR
0.22 1.6K 2.2 0.068 VDD 0.01 0.068 1 10K 820p 6.8K RROUT FROUT
Outside Harmonic parts for MID
VCC
N.C.
36 30
VDD (DIGITAL) + + -
35
34
33 31 26 25 24 23 22 29 20
32 27 21
28
19
DIFFERENTIAL AMPLIFIER SW
LOUDNESS SW
VCC (ANALOG) B A
22K
56K
22K
56K
ZERO CROSS DETECTOR ZERO CROSS DETECTOR
I/F
TIMER DETECTOR
MITSUBISHI ELECTRIC
22K
56K
REF
A B
22K
56K
+
+
Vcc
LOUDNESS SW
DIFFERENTIAL AMPLIFIER SW
GND
200K
1 4 5
0.068 1.6K 0.22
2 6 7 8
3
9
10
11
0.01
12
13
14
15
16
0.22 0.068 6.8K 1
17
18
47K
10
47K
2.2 10K 820p
Outside Harmonic parts for MID Loudness ON SW A SW B OFF ON Loudness OFF ON OFF
RROUT FROUT
(2/10)
VCR TV TAPE CD RD
MCU
Pin Description
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Symbol REF DEFP IN1 DEFN IN1 MIX IN1 MIX OUT1 VOL IN1 LOUD IN1 BASSA1 BASSB1 MID1 TRE1 TONE OUT1 FADER IN1 REAR 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 Input pin of the fader volume Output pin of the fader volume(Rear)
FRONT OUT1 Output pin of the fader volume(Front) GND TIM1 DATA
Ground
Timer setting terminal The relationship between outside parts C and setting time is T=13.8X 10 4 *C(sec).
Input pin of the control data This pin inputs data in synchronization with CLOCK
MITSUBISHI ELECTRIC
(3/10)
Pin No. 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
Symbol CLOCK N.C. VDD FRONT OUT2 REAR OUT2 FADER IN2 TONE OUT2 TRE2 MID2 BASSB2 BASSA2 LOUD IN2 VOL IN2 MIX OUT2 MIX IN2 DEFN IN2 DEFP IN2 Vcc
Function
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 Mixing amplifier output Mixing amplifier input Differential amplifier input Differential amplifier input + Analog power supply pin
MITSUBISHI ELECTRIC
(4/10)
Absolute Maximum Ratings
Symbol Vcc,VDD Pd K Topr Tstg
Parameter Supply Voltage Power Dissipation Thermal Derating Ratio Operating Temperature Storage Temperature
Conditions
Ratings 10 , 7
Unit V mW mW/C C C
Ta25C Ta25C
990 9.9 -30 ~ 85 -55 ~ 125
Thermal Derating
1000 960
Power Dissipation Pd [ mW ]
800
600
400 385 200
25
50
75 85
100
125
150
Ambient Temperature Ta [ C ]
MITSUBISHI ELECTRIC
(5/10)
Electrical Characteristics
Ta=25C,Vcc=8V,VDD=5V,VOL/FADER=0dB,TONE/FLAT,Loudness OFF unless otherwise noted
Limits Symbol Parameter Test Conditions
Min typ 20 -3.5 0 Max 35 3.5 -27.5 2.5
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 A TT (FED) VOM Vno 1
Circuit current
No input signal
Outside resister 22K of pin4,33 Outside resister 56K of pin2,3,34,35
mA dB dB dB Vrms
Pass Gain Maximum Attenuation Attenuation Error Maximum Input Voltage Bass Boost Bass Cut MID Boost MID Cut Treble Boost Treble Cut Maximum Attenuation Maximum Output Voltage
Vi=1Vrms , f=1KHz ATT(VOL)=-30dB ATT(VOL)= 0dB
f=1KHz , BW:400Hz to 30KHz
-32.5 -30 -2.5 1.8 13 -15 0 2.2 16 -12 12
THD=1%
f=100Hz f=100Hz f=1KHz f=1KHz f=10KHz f=10KHz
Vi=1Vrms , f=1KHz
ATT(FED)= -dB f=1KHz , BW:400Hz to 30KHz THD=1% Rg=0,DIN-AUDIO
Outside Harmonic amplifier
19 -9 15
dB dB dB dB dB dB dB Vrms
9
Outside Harmonic amplifier
-15 9 -15
-12 12 -12 -90
-9 15 -9 -80
1.8
2.2 10 18
Output Noise Voltage Vno 2
ATT(VOL)= -30dB ATT(FED)= -dB Rg=0,DIN-AUDIO f=1KHz,Vo=0.5Vrms
Vrms
3 8
THD CS CT G(LOUD)L
Total Harmonic Distortion
BW:400Hz to 30KHz
0.03 0.05
% dB dB
Channel Separation Cross Talk of Differential amplifier SW Voltage Gain of Loudness
f=1KHz f=1KHz
Loudness ON f=100Hz,ATT(VOL)=-30dB Loudness ON f=10KHz,ATT(VOL)=-30dB
-90 -75 7.0 3.5
-80 -65
11.0 15.0
G(LOUD)H
dB
6.5 9.5
MITSUBISHI ELECTRIC
(6/10)
RELATIONSHIP BETWEEN DATA AND CLOCK
CLOCK D0 DATA D1 D2 D3 D12 D15 D16
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
V IL V IH I IL I IH
Parameter
"L" level input voltage "H" level input voltage "L" level input current "H" level input current
Test conditions
DATA,CLOCK pins DATA,CLOCK V I =0 pins I =V DD V
Limits typ Max 0 ~ 0.2V DD 0.8 VDD ~ V DD Min
-10 10 10
Unit
V
A
DIGITAL CIRCUIT AC CHARACTERISTICS
Symbol
t t t t t t t
cr WHC WLC r f SD HD
Parameter
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
Min
4 1.6 1.6
Limits typ Max
Unit
0.4 0.4 0.8 0.8
S
MITSUBISHI ELECTRIC
(7/10)
CLOCK DATA TIMING
t
cr
75%
CLOCK
25%
t
r
t
f
t
WHC
t
WLC
DATA
t SD
t
HD
MITSUBISHI ELECTRIC
(8/10)
Data Input Format
Data Select(D15,D16) 00:Volume/Differential Amplifier SW/Loudness 10:Fader 01:Bass/Treble/Mid
0:Loudness OFF 1:Loudness ON
0:Differential Amplifier SW OFF 1:Differential Amplifier SW ON D1 D2 D3 D4 D5 D6 D7
D0
D8 D9 D10 D11 D12 D13 D14 D15 D16
Volume CH2
0/1 0/1 0/1 0/1
Volume CH1 (ATTV1) Fader(Front) (ATTF1)
Volume CH1
(ATTV2)
Volume CH2 (ATTV1)
(ATTV2)
0
0
0 0/1 1 0
0 0 1
Fader(Front)
(ATTF2)
Fader(Rear) (ATTF1)
Fader(Rear)
(ATTF2)
Bass
0:1CH 1:2CH 0:Both Channel 1:Side Channel
Treble
Mid
0
0
0:Front Point Zero Detect 1:Rear Point Zero Detect
Volume Code
CH1 CH2 0dB -4dB -8dB -12dB -16dB -20dB -24dB -28dB D2 D7 1 0 1 0 1 0 0 1 D3 D8 0 0 1 1 0 0 1 1 D4 D9 1 1 0 0 0 0 1 1 CH1 CH2 0dB -1dB -2dB -3dB D5 D10 1 0 1 0 D6 D11 1 1 0 0
ATTV1
ATTV2
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 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0
D5 D11 1 1 1 1 0 1 1 1 0 0 0 0 0 0 0
FRONT
ATTF2
REAR
D6 D12 1 0 1 0
D7 D13 1 1 0 0
0dB -2dB -4dB -6dB
Please keep ATTF2 to 0dB when you set fader code from 0dB to -16dB
MITSUBISHI ELECTRIC
(9/10)
Tone Code
Bass
16dB 14dB 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 D1 0 1 1 0 0 1 1 0 0 0 1 1 0 0 1 D2 0 1 1 1 1 0 0 0 0 0 0 0 1 1 1 D3 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1
Treble
12dB 10dB 8dB 6dB 4dB 2dB 0dB -2dB -4dB -6dB -8dB -10dB -12dB
D4 0 1 0 1 0 1 0 1 0 1 0 1 0
D5 1 0 0 1 1 0 0 0 1 1 0 0 1
D6 1 1 1 0 0 0 0 0 0 0 1 1 1
D7 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 1 0 1 0 1 0
D9 1 0 0 1 1 0 0 0 1 1 0 0 1
D10 1 1 1 0 0 0 0 0 0 0 1 1 1
D11 0 0 0 0 0 0 0 1 1 1 1 1 1
MITSUBISHI ELECTRIC
(10/10)

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