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MITSUBISHI SOUND PROCESSORS
M62444FP
4CH ELECTRIC VOLUME WITH TRIMMER
DESCRIPTION The M62444FP is 4 channels electric volume with trimmer controlled 3-wire serial data. The IC is suitable for use in home-use audio systems and TV sets. FEATURES
Electric volume(Master volume) *Volume level ***** 0dB to -80dB, -dB (32steps) Electric volume(trimmer volume) *Volume level ****** 0dB to -24dB (1dB/step) 2 channels bass boost(loudness type) 6 Output ports Built-in microcomputer interface circuit controlled by 8-bit serial data.
PACKAGE
Outline
42P2R
APPLICATION
DVD,Home Audio equipment,TV
RECOMMENDED OPERATING CONDITIONS
Supply voltage range **** 4.5 to 7.3V (analog) 4.5 to 5.5V (digital) Rated supply voltage **** 7.0V (analog) 5.0V (digital)
SYSTEM BLOCK DIAGRAM
L in R in
trimmer volume
bass boost
master volume
L out R out
C in SW in
trimmer volume
master volume
C out SW out
-com interface
LATCH
DATA
CLK
D-62444-86A
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MITSUBISHI SOUND PROCESSORS
M62444FP
4CH ELECTRIC VOLUME WITH TRIMMER
PIN CONFIGURATION AND IC INTERNAL BLOCK DIAGRAM
TIN1 TNF1
1 2
42 41 40 39 38 37 36 35 34 33 32 31 30 29 MCU I/F 28 27 26 25 24 23 22
AVDD TIN3 TNF3 TOUT3 VIN3 BB3 VNF3 VOUT3 GND2 GND3 TIN4 TNF4 TOUT4 VIN4 BB4 VNF4 VOUT4 AVSS PORT6 PORT5 PORT4
TOUT1 3 VIN1 VNF1 4 5
VOUT1 6 GND1 7 TIN2 TNF2 8 9
TOUT2 10 VIN2 VNF2 11 12
VOUT2 13 DGND 14 DATA 15 LATCH 16 CLOCK 17 DVDD 18 PORT1 19 PORT2 20 PORT3 21
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MITSUBISHI SOUND PROCESSORS
M62444FP
4CH ELECTRIC VOLUME WITH TRIMMER
ABSOLUTE MAXIMUM RATINGS
Symbol Vsupply Pd K Topr Tstg
Parameter Supply Voltage Power dissipation Thermal derating Operating temperature Storage temperature
Conditions AVDD-AVSS Ta 25C Ta > 25C
Ratings 16 1000 10 -20 to +65 -40 to 125
Unit V mW mW/ C C C
THERMAL DERATING (MAXIMUM RATING)
1.5
1.0
0.6
0.5
0 0 25 50
65
75
100
125 Ta [C]
150
AMBIENT TEMPERATURE
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MITSUBISHI SOUND PROCESSORS
M62444FP
4CH ELECTRIC VOLUME WITH TRIMMER
RECOMMENDED OPERATING CONDITION ( Ta=25C, unless otherwise noted )
Parameter Positive supply voltage Negative supply voltage High-level Input Voltage Low-level Input Voltage Output port maximum current
Symbol Condition AVDD DVDD AVSS VIH
MIN 4.5 4.5 -7.3 (DVDD/2)+1
TYP 7.0 5.0 -7.0
MAX 7.3
Unit
V 5.5 -4.5 DVDD V V
VIL
DGND
(DVDD/2)-1
V
IOH
"H" level
3
mA
(note) AVSS DGND < DVDD AVDD
DATA TIMING (Recommended conditions)
H DATA
D0
L H
D1
D6
D7
D0
CLOLK L H LATCH L note : CLOCK and LATCH function at raising edges of pulse .
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MITSUBISHI SOUND PROCESSORS
M62444FP
4CH ELECTRIC VOLUME WITH TRIMMER
CLOCK, DATA,LATCH TIMING
tcr
CLOLK
tr
75% 25%
tf tWHC tWLC
75%
DATA
25%
tr
t SD
t HD
tf tr tSL
tWHC tf
75% 25%
LATCH
DIGITAL BLOCK TIMING REGULATION
Symbol t cr t WHC t WLC tr tf t SD t HD t SL t WHL Parameter
CLOCK cycle time CLOCK pulse width ("H"level) CLOCK pulse width ("L"level) CLOCK,DATA,LATCH rise time CLOCK,DATA,LATCH fall time DATA setup time DATA hold time LATCH setup time LATCH pulse width 1.6 1.6 2 3.2
Limits Min typ Max
8 3.2 3.2 0.8 0.8
Unit
s
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MITSUBISHI SOUND PROCESSORS
M62444FP
4CH ELECTRIC VOLUME WITH TRIMMER
DIGITAL CONTROL SPECIFICATION Fore kinds of input format options are available by changing slot settings of D6 and D7. (When the IC is powered up , the internal settings are not fixed.)
(1)
D01
D11
D21
D31
D41
D51
D61
D71
TRIMMER VOLUME 1
0
D42 D52
0
D62
0
D72
(2)
D02
D12
D22
D32
TRIMMER VOLUME 2
1
D43 D53
0
D63
0
D73
(3)
D03
D13
D23
D33
TRIMMER VOLUME 3
0
D44 D54
0
D64
1
D74
(4)
D04
D14
D24
D34
TRIMMER VOLUME 4
1
D45 D55
BASS BOOST (LOUDNESS)
0
D65
1
D75
(5)
D05
D15
D25
D35
MASTER VOLUME
1 : ON 0 : OFF
1
D66
0
D76
(6)
D06
OUTPUT PORT 1 1: H 0: L
D16
D26
D36
D46
D56
OUTPUT PORT 6 1: H 0: L
OUTPUT OUTPUT PORT 2 PORT 3 1: H 1: H 0: L 0: L
OUTPUT OUTPUT PORT 4 PORT 5 1: H 1: H 0: L 0: L
1
1
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MITSUBISHI SOUND PROCESSORS
M62444FP
4CH ELECTRIC VOLUME WITH TRIMMER
SETTING CODE TRIMMER VOLUME 1 to 4
ATT - 0dB - 1dB - 2dB - 3dB - 4dB - 5dB - 6dB - 7dB - 8dB - 9dB - 10dB - 11dB - 12dB - 13dB - 14dB - 15dB - 16dB - 17dB - 18dB - 19dB - 20dB - 21dB - 22dB - 23dB - 24dB ATT - 0dB - 2dB - 4dB - 6dB - 8dB - 10dB - 12dB - 14dB - 16dB - 18dB - 20dB - 22dB - 24dB - 26dB - 28dB - 30dB - 32dB - 34dB - 36dB - 38dB - 40dB - 44dB - 48dB - 52dB - 56dB - 60dB - 64dB - 68dB - 72dB - 76dB - 80dB - MITSUBISHI ELECTRIC
D0X 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
D1X 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
D2X 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
D3X 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
D4X 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
Note : Do not input other data than the above.
MASTER VOLUME
Note : Do not input other data than the above.
D05 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
D15 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
D25 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
D35 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
D45 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
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MITSUBISHI SOUND PROCESSORS
M62444FP
4CH ELECTRIC VOLUME WITH TRIMMER
ELECTRICAL CHARACTERISTICS (1) Power supply characteristics
Parameter
Analog positive circuit current Analog negaitive circuit current
( Ta=25C, AVDD=7.0V, AVSS=-7.0V, DVDD=5.0V, f=1kHz, TRIMMER/MASTER VOLUME=0dB, Post Amp.gain=0dB, unless otherwise noted. )
Symbol AIdd
Test condition
AVDD=7.0V, AVSS= -7.0V Current at pin 42 No signal AVDD=7.0V, AVSS= -7.0V Current at pin 25 No signal DVDD= 5V Current at pin 18 No signal
Limits MIN TYP MAX 30 40
Unit
mA
AIss
-40
-30
mA
Digital circuit current
DIdd
0.1
1.0
mA
(2) Input / Output characteristics
Parameter
Maximum output voltage
Symbol Vomax
Test condition
6,13,35,26pin OUTPUT RL=10K,THD=1% Vin=1Vrms,FLAT, 1,8,41,32pin INPUT 6,13,35,26pin OUTPUT 6,13,35,26pin OUTPUT Vi=0.2Vrms,RL=10K, BW=400 to 30kHz 6,13,35,26pin OUTPUT No signal,JIS-A Rg=0,VOL=0dB 6,13,35,26pin OUTPUT No signal,JIS-A Rg=0,VOL=- 6,13,35,26pin OUTPUT JIS-A Rg=1k,TRIMMER VOL=0dB 6,13,35,26pin OUTPUT
MIN 3.0
Limits TYP MAX 4.0
Unit
Vrms
Pass gain
Gv
-2.0
0
2.0
dB
Distortion
THD Vno0
0.003 0.05
%
3.0
15
Vrms
Output noise voltage
Vno
Maximum attenuation
2.5
7.5
Vrms
ATTmax DVOL CT
-86
-95
dB
Volume gain between channels Crosstalk between channels
-1.5
Vo=0.5Vrms,RL=10K,JIS-A Rg=1k
Vo=0.5Vrms,f=100Hz TRIMMER VOL=0dB,MASTER VOL=-26dB Bass boost=OFF ON 41,32pin INPUT 35,26pin OUTPUT
0
1.5
dB
-97
-60
dB
Bass boost gain OUTPUT PORT "H" current OUTPUT PORT "H" voltage
Gvbb IOH VOH
7 1.0 5.5
11
15
dB mA V
VOH=6.5V,AVDD=7V IOH=3mA,AVDD=7V
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MITSUBISHI SOUND PROCESSORS
M62444FP
4CH ELECTRIC VOLUME WITH TRIMMER
FUNCTION DESCRIPTION Bass Boost Equivalent Circuit
12.6K 5.97K 11.7K RL= 3.08K ZL 1.6K CL
55.8K 57K 3.57K
Bass Boost loudness Equivalent Circuit (Center Tup Type) 1 Regard "RL+ wCL " as "ZL" Next formula show the frequency characteristic.
Gv=20 Log
( 11.7K + ZL / / 57K
57K 11.7K + 57K
ZL / / 57K
5.97K/ / ( 11.7K + ZL / / 57K) 12.6K + 5.97K/ / ( 11.7K + ZL / / 57K)
)
When a frequency is enough low ,
Gv=20 Log
(
5.97K/ / ( 11.7K + 57K) 12.6K + 5.97K/ / ( 11.7K + 57K)
) = - 11.9dB ) = - 26dB
When a frequency is enough high ,
Gv=20 Log
( 11.7K + 3.08K / / 57K
-12dB
3.08K / / 57K
5.97K/ / ( 11.7K + 3.08K / / 57K) 12.6K + 5.97K/ / ( 11.7K + 3.08K / / 57K)
w0=16.8K * CL
f=100Hz CL=0.1F
-26dB
VOL-26dB 100Hz
frequency
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MITSUBISHI SOUND PROCESSORS
M62444FP
4CH ELECTRIC VOLUME WITH TRIMMER
SYSTEM DIAGRAM
INPUT impedance 25k(TYP)
IN1 IN2
TRIMMER VOLUME 1
0dB to - 24dB (25steps)
OUT1 OUT2
MASTER VOLUME 1
0dB to - (32steps)
INPUT impedance 25k (TYP)
IN3 IN4
TRIMMER VOLUME 3
0dB to - 24dB (25steps)
OFF:Bass boost ON ON :Normal
OUT3 OUT4
MASTER VOLUME 1
0dB to - (32steps)
OUTPUT PORT
AVDD
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MITSUBISHI SOUND PROCESSORS
M62444FP
4CH ELECTRIC VOLUME WITH TRIMMER
APPLICATION EXAMPLE
IN1
3.3
1 2 3
3.3
42 41
3.3
+7 V IN3
40 39
3.3
4 5
3.3
38 37 36
3.3 0.1
OUT1
6 7
IN2
3.3
8 9 10
3.3
35 34 33 32 31 30
3.3
OUT3
11 12
3.3
IN4
3.3
OUT2
13 14 15 MCU 16 I/F 17 MCU
29 28 27
3.3 0.1
26 25 24 23 22
OUT4 -7V
22k 22k 22k
5V
22k 22k 22k
18 19 20 21
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