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i limi his e ; T ametric ic Not e par om s
P
p I tt L I Mot a fitnaal rse subjec RE s n s
. . A R Y ificatioon change c e N
MITSUBISHI SOUND PROCESSOR
M62445FP
DIGITAL SOUND CONTROLLER WITH DYNAMIC BASS BOOST
APPLICATION
DIGITAL SOUND CONTROLLER WITH DYNAMIC BASS BOOST
OUTLINE
Mini-Compo,Radio cassette etc.
FEATURES

Maximum boost level setting was adapted input level. Maximum boost level setting:20dB,15dB,10dB,5dB,0dB(OFF)

Tch stereo input mode (A,B,C,D,E)
64P6N
64pinQFP (Lead pitch0.8mm)

Bass/Treble(10dB,8dB,6dB,4dB,2dB,flat)

Through gain controlle(22dB ~ 36dB;2dB/step)

Monoral(L,R,L+R),Vocal cut

0dB ~ -87dB(1dB/Step), -

NPN open colector output (8pcs),3-state output (2pcs)
RECOMMENDED OPERATING CONDITIONS
Rated supply voltage******Analog Digital
SYSTEM CONFIGURATION
MIC in REC1
VCC=4.75V/VEE=-4.75V(typ) VDD=4.75V(typ)
OUT1 IN1 X5 IN2
Mode select Through Lch only Rch only L+R mono Vocal cut
Volume
Tone
Dynamic
BassBoost Level Detector
X5
Bass/ Treble
MCU Interface
REC2 CLK DATA LATCH
Output port
3-state port
OUT2
1 2 3 4 7 8 9 10
5
6
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KEYIN ALCIN2 VOLIN2 BASS2-1 BASS2-2 AGND1-1
46 44 39 43 42 41 37 35 33 45 40 38 36 34
RECOUT2 TRE2 BASS2-3 OUTPUT2 TBASS2-1 RECIN2 SELOUT2
T-Bass Filter
32 31 30
TBASS2-3 TBASS2-2
KEYOUT
48
47
AGND2
a b
49
sw6
IN2E
10dB 6dB
Logic Interface
50
Bass/Treble
E
CLK DATA
IN2D sw10
sw8
0dB ~10dB
51 29 28
D SW OPAmp
+ +
IN2C
ba
+ -
52
C
LATCH PORT1 PORT2 DGND PORT3 PORT4 TALC
53
B 3K 6dB MIC MIX
26 25 24 23 27
IN2B IN2A
sw2
sw1
54
A
Block diagram/Pin configuration
AGND1-2
Vocal Cut
ALC
55
VC1
sw4
56
sw3
VC2
-
57
VCC
sw5 6dB
+ +
58
VEE
22 21
ab
sw9
60
B
IN1B IN1C
10dB
sw11
61
C
sw7
62
D
IN1D IN1E
Bass/Treble
63
E
VDD
3 4 5 6 7 8 9 10
64
1
2
+ -
MITSUBISHI ELECTRIC
3K SW OPAmp
20 19
IN1A
59
A
PORT5 PORT6 PORT7 PORT8
6dB
18
a
PORT9
b
T-Bass Filter
11 12 13 14 15 16 17
PORT10
NC2
VOLIN1
MIC IN NC1 RECIN1
ALCIN1
TRE1 BASS1-3
BASS1-1
BASS1-2
SELOUT1
OUTPUT1
TBASS1-1
TBASS1-3 TBASS1-2
RECOUT1
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GND1
10 0.47 2.7K 120K 10 0.1 0.022 0.033 0.15 0.15
1K
REC2 + +
46 44 39 43 42 41 37 35 33 45 40 38 36 34
Key Cont.
48
47
GND2
T-Bass Filter
32
CLK DATA
49
sw6 a
IN1E b
Bass/Treble
31 30
MCU
Application circuit
50
E 10dB
910
29
LATCH PORT1 PORT2 4.75V Digital GND PORT3 910
910
Logic Interface
IN1D
6dB
51
D
IN1C sw8
0dB ~10dB
sw10
52
C
910
28
IN1B ba
+ + +
53
B 3K 6dB MIC MIX
26 25 27
SW OPAmp
IN1A
Open collector output
sw1
54
A sw2
GND1
55
PORT4 4.75V
0.068
24
56
+
10
Vocal Cut
ALC
23
sw3
0.33
57
sw4
100K
Analog Vee
-4.75V
22 21
Analog Vcc 4.75V
+ + -
58
sw5 6dB SW OPAmp
ab
3-State output
IN1A sw9
60
IN1B
B
sw11
61
C 10dB
IN1C
sw7
62
D
IN1D
63
E
Open collector output
IN1E
Digital Vdd 4.75V
3 4 5 6 7 8 9
64
1
2
NC
0.1
NC
120K 2.7K 0.47 0.022 0.033
10
MIC IN
1K
REC1
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0.15 0.15
+
+ -
MITSUBISHI ELECTRIC
3K
20 19
59
A
PORT5 PORT6
4.3K
PORT7 PORT8
4.3K
6dB
18
PORT9
4.3K
a
b
Bass/Treble
T-Bass Filter
10 11 12 13 14
PORT10
17
4.3K
15
16
4.75V
10
+
M62445FP Signal Level Diagram
Output MIC Bass/Treble T-Bass MIX Through
Key Cont.
Mono/Lch/Rch
Selector
Input
Gain
0dB
-2dB~12dB (2dB/step) 0dB 6dB -2dB~ -80dB (1dB/step) 12dB -10dB~ +10dB (2dB/step)
0dB~ +20dB (5dB/step)
6dB
Maxmum Input/Output Level(8dBV;2.5Vrms typ) -4dBV (630mVrms) -14dBV (200mVrms) -20dBV (100mVrms) 2dBV (1.25Vrms)
MITSUBISHI ELECTRIC
G:8dB G:6dB ATT:-2dB G:12dB G:0dB
4.3Vrms 5.0Vrms 10.0Vrms 2.5Vrms 10Vrms ATT:- 1.5Vrms 6Vrms
Output Level
-28dBV (40mVrms)
G:6dB
Noise Level
1.5Vrms
6Vrms
7Vrms
15Vrms
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Absolute supply voltage
Symbol
VCC,VDD
Parameter Analog(+) supply voltage Digital Analog(-) supply voltage
Conditions
Ratings +5.0 -5.0
Unit V V mW mW/C C C
VEE Pd K
Power dissipation Thermal derating Operating temperature Storage temperature
Ta25C Ta>25C
1000 10 -20~+65 -40~+125
Topr
Tstg
Thermal derating
1.5
Power dissipation pd [W]
1.0W 1.0
600mW 0.5
0 0 25 50
65 75
100
125
150
Ambient temperature Ta [C]
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Recommended operating conditions
( Ta=25C, Unless otherwise noted. ) Parameter
Analog(+)supply voltage
Limits Symbol VCC VEE VDD
Conditions Noted1
MIN 4.5
TYP 4.75 -4.75 4.75
MAX 5.0 -4.5 5.0
Unit
V V V
Analog(-)supply voltage
Noted1
-5.0 4.5
Digital supply voltage
VDDVCC
Logic "H"level input voltage Logic "L"level input voltage
VIH
0.7xVDD
VDD
V
VIL
0
0.3xVDD
V
Note1)When the IC use power supplies,the first,provide to VEE,and then provide to Vcc and VDD. Note1)
Relationships between data and clock
Latch signal
H DATA
D0
L H
D1
D16
D17
D0
CLOCK L H LATCH L Data signal read at the rising edge of clock signal. Signal is latched at the rising edge of the latch signal. (When data and clock signal are "H",can not recieve the latch signal. )
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Clock and data timings
t cr
CLOCK
75% 25%
tr t
WHC
tf t
WLC
75%
DATA
25%
tr
t SD
t HD tr tSL
tf
tWHC tf
75% 25%
LATCH
Timing definition of digital block
Symbol
t cr t WHC t WLC tr tf t SD t HD tSL tWHL
Parameter
Clock cycle time Clock pulse width("H"level) Clock pulse width("L"level) Rising time of clock,data and latch Falling time of clock,data and latch Data setup time Data hold time Latch setup time Latch pulse width
Min
4 1.6 1.6
Limits typ Max
Unit
0.4 0.4 0.8 0.8 1 1.6
sec
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Data inpup format
Four kinds of input format options are available by changing slot settngs of D15,D16 and D17.
(Initialize all data of the four formats when power is turned on.) MSB
DO D1 D2
Input format selection slot LSB
Input direction
D3 D4 D5 D6
Rec mute
D7
D8
D9
D1O D11 D12
D13
D14 D15
D16
D17
(A) (B) (C) (D)
Input selector control
Gain control
I0
I1
I2
G0 G1 G2 M0
Port output5,6
(3state output)
0
KARAOKE control
K0 K1 K2 K3
Port output7-10
(Open collector output)
000000 000100 011
(Open collector output)
Port output1-4
O0 O1 O2 O3 Ss0 Ss1 St0 St1 O6 O7 O8 O9 Lch volume control L0 L1 L2 L3 L4 L5 L6
1
Rch volume control R0 R1 R2 R3 R4 R5 R6
T-bass gain
Bass boost/cut
Treble boost/cut
B0 B1 B2 B3 T0 T1 T2 T3 TB0 TB1 TB2
(A) -1 Input selector setting code Selector Input mute A B C D E Prohibition Prohibition
0000111
(A) -2 Gain control setting code
I0
0 0 0 0 1 1 1 1
I1
0 0 1 1 0 0 1 1
I2
0 1 0 1 0 1 0 1
Sel.SW sw1,5
sw2,4
Gain
0 dB 2 dB 4 dB 6 dB 8 dB 10 dB 12 dB 14 dB
G0
0 0 0 0 1 1 1 1
G1
0 0 1 1 0 0 1 1
G2
0 1 0 1 0 1 0 1
AIIoff
A B C D E
off
on
off
on
Unsettled Unsettled Unsettled Unsettled Unsettled Unsettled
(A) -3 KARAOKE control settinng code
K0 STEREO 1 MONO(L+R) 1 L MPX 1 R MPX 0 Vocal cut (L-R) 1
K1 1 1 0 1 1
K2 0 1 1 1 0
K3 0 1 1 1 1
(A) -4 Rec mute setting code sw1 sw2
off off off off off
sw3
off
sw4
off
sw5 sw89
on on on
off
on
off off off
on on off on on on
off off
on
on
a b b b b
Rec output
M0
0 1
Rec mute
OFF
Rec mute
ON
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(B) -1
(Port output mode)
Open collector output
(B) -2
(3-State port output mode)
CMos Tr.output
Data O0 Pin 0 1
O1
O2
Port 3
O3 O6
Port 4
O7 O8
Port 9
O9
Port 10
Ss0 Ss1
Port 5 Low open open Hi
St0
St1
Port 6 Low open open Hi
Port Port 1 2
Port Port 7 8
0 1 0 1
Current sink(Tr.) OFF Current sink(Tr.) ON
0 0 1 1
0 1 0 1
0 0 1 1
(C) -1 Master volume setting codes ATT -0dB -2dB -4dB -6dB -8dB -10dB -12dB -14dB -16dB -18dB -20dB -22dB -24dB -26dB -28dB -30dB -32dB -34dB -36dB -40dB -44dB -48dB -52dB -56dB -60dB -64dB -68dB -72dB -76dB -80dB -84dB -
Lch Rch
L0 R0 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
L1 R1 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
L2 R2 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
L3 R3 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
L4 R4 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
ATT -0dB -1dB -2dB -3dB
L5 R5 0 1 0 1
L6 R6 0 0 1 1
L5,L6(R5,R6) of data are enabled at less than -36dB setting. When more than -34dB setting,only L5 and R5 of data are enabled.
Note) Volume ATT setting is design target.
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(D) -1
Tone control setting code.
(D) -2
Dynamic bass boost setting code.
Bass
Gain
Treble T0 T1 T2 T3 +10dB +8dB +6dB +4dB +2dB 0dB 0dB -2dB -4dB -6dB -8dB -10dB 1 0 1 0 1 0 0 1 0 1 0 1 0 0 1 1 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 15dB 1 0 0 0 0 0 0 20dB Prohibition Prohibition Gain
Output mute T-Bass OFF
B0 B1 B2 B3 1 0 1 0 1 0 0 1 0 1 0 1 0 0 1 1 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0
TB0 TB1 TB2 sw9,10 0 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 0 0 0 1 1 1 1 b a
5dB 10dB
Note) Gain setting code is only name. If external compornent parts are change, Gain setting is different.
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Block diagram in detail
1 48
10K SW2
SW MUTE
Mic input
47
10K
Key control IC
(1) Selector/Karaoke function
+ 3K 10K 10K
50 B A + + 3K
E
IN 2
52
C
0~14dB/2dB step
30K 30K SW1 25K 51K 30K 30K + 30K +
53
B
54
A
SW1-2 SW1-1 57
10K SW3 SW4 3K 3K
SW MUTE
59
A
60
B
IN 1
SW5
62
D
B
63
E
0~14dB/2dB step
SW9 OP AMP
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6.5K 6K 6.5K
Input selector
6dB
(2) Rec output/Volume/Tone/T-Bass block (only Ch1)
Selector output -
2K
7
4
A
+
B
10 8 1.3K 10 8 6 4 2 2.2K 4.7K 14.2K 1.1K 6 4 2
10dB
6K
1.3K 2.2K 4.7K 12.8K 2.52K
2
Rec output
6dB
T-Bass block
11
56K 1.5K
0~20dB/5dB step
+ +
61 +
C
A
+ 30K
51
D
45
SW 8 OP AMP
6dB Selector output
10K
56
0.33
0.068
3
+ +
15
+
Output (ch1)
6K
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Master volume circuit
A:3dBATT A
- 0 dB - 2 dB - 4 dB - 6 dB - 8 dB - 10 dB - 12 dB - 14 dB - 16 dB - 18 dB - 20 dB - 22 dB - 24 dB - 26 dB - 28 dB - 30 dB - 32 dB - 34 dB - 36 dB - 40 dB - 44dB - 48dB - 52dB - 56dB - 60 dB - 64 dB - 68dB - 72dB - 76 dB - 80dB - 84 dB -
+ -
Master volume setting code
L/R5,6 L/R4 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
ATT -0.0dB -2.0dB -4.0dB -6.0dB -8.0dB -10.0dB -12.0dB -14.0dB -16.0dB -18.0dB -20.0dB -22.0dB -24.0dB -26.0dB -28.0dB -30.0dB -32.0dB -34.0dB -36.0dB -40.0dB -44.0dB -48.0dB -52.0.0dB -56.0.0dB -60.0dB -64.0dB -68.0dB -72.0dB -76.0dB -80.0dB -84.0dB -
L/R0 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
L/R1 L/R2 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 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
L/R3 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
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Tone control circuit (1)Equivalent circuit of tone control (bass) resonance circuit block
R3 FBASS Center frequency C1 OUT BASS R1 Q= C2 (R1*R2 ) / C1 (R1+R3)
2
f0 = 1 / 2
C1*C2*R1*R2 [Hz]
C2 INBASS
(Ex.)Bass band (f=150Hz ) R1=1.5K , R2=56K C1=1.5 , C2=0.01
R2
Fig.1 Internal resonance equivalent circuit
C1 Fig.1 means Fig.2 in equivalence. The part constant is converted by the following formula.
L
L=C2 * R1 * R2 R1
Fig.2 Equivalent circuit using L
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Dynamic bass boost (T-Bass) circuit
SW OP AMP
OUT2
Output mute move together
BPF C1 C2 T-Bass level R1 R2 R3
Center frequency f0 = 1 / 2 Q= C1*C2*R1*R2 [Hz]
(C1*C2*R2)/R1 / (C1+C2)
(Ex.)T-BAss band f=60Hz R1=2.6K , R2=120K C1=0.15 , C2=0.15
ALC circuit
Total wave rectifier
OUT1
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Output port circuit (1) Output port : Open collector output
Pin29,28,26,25: Io=5mA,Vc=0.35V(typ) Pin20,19,18,17: Io=1mA,Vc=0.25V(typ)
DGND
Voltage rage of output port = DGND~12V
(2) Output port : 3-state output
VDD
=4.75V
6.8K Hi : Mid : Low : 6.8K
Ex.Output value
4.35V 2.4V 0.35V
DGND
Voltage rage of output port = DGND~DVDD
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Electrical characteristics
(Ta=25C, VCC,VDD=4.75V , VEE=-4.75V,f=1kHz,unless otherwise noted. Gain control=8dB,tone control,volume=0dB/flat)
(1) Power supply characteristics
Limits
Parameter
Circuit current of analog positive power supply Circuit current of analog negative power supply Circuit current of digital power supply
Symbol
ICC IEE IDD
Test condition
No input signal No input signal No input signal
Min
typ 26
Max 37
Unit
mA mA
-50
-37
0.8 10
mA
(2) Input/output characteristics
Parameter
Input resistance Crosstalk between selectors Maximum output voltage
Symbol
Rin ST VOM Gv THD
Limits
Test condition
Min
typ
Max
Unit
K dB Vrms
51
Vi=0.04Vrms , RL=10K,JIS-A Rg=10K,1pin=GND
-75 -60 2.20 2.45 27 30 33
RL =10K,THD=1%
Vi=0.04Vrms,FLAT
Pass gain Normal Total harmonic distortion
dB
BW=400~30kHz
Vo=1.0Vrms , RL=10K
BW=400~30kHz
0.02 0.05
%
THD(REC) Vo=0.16Vrms , RL=10K Vno1 Output noise voltage Vno2 VNO(REC) Crosstalk between channels CT ATTmax VOLSTEP
Dvol
0.02 0.05 60 100 15 10 30 20
dB Vrms
Rg=0,JIS-A, VOL=0dB,Gain:0dB Rg=0,JIS-A, VOL=-dB,Gain:0dB Rg=0,JIS-A, Gain:0dB
Vo=0.04Vrms , RL=10K,JIS-A Rg=10K,1pin=GND 7,43pin=2Vrms ATTmax=20log(Vo/12.6)
-75 -60 -116 -106 1 -1.5 0 1.5
Volume
Maximum attenuation Volume step Gain declination between volume
29,36pin,Rg=10K,JIS-A, VOL=-dB
dB
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Parameter
Gain control
Symbol
GCMAX GCSTEP BALT T -10dB
Test condition
Vo=0.04Vrms , RL=10K,JIS-A Rg=10K,Gain:14dB~0dB
Limits Min typ Max
Unit
Gain control maximum gain Gain control step Balance between channels
12
14 2
16
dB
-1.5
Vo=0.04Vrms Treble (f=10KHz) Bass (f=150Hz)
0
+1.5 -7 13
dB
Tone control voltage gain
Tone control
-13 -10 7 10 2
T +10dB
Tone control step Balance between channels
TCSTEP
BALT
-1.5
f=60Hz,Vi=0.01Vrms
0 +1.5
T-Bass voltage gain maximum range
T-Bass control
TBB20dB
15
20
25
T-Bass step
TBSTEP
5
dB
Balance between channels
BALT
-2.0
0
+2.0
(3) Output port
Parameter
Remain voltage of output port pin29,28,26,25(Open collector output) Remain voltage of output port pin20,19,18,17(Open collector output) 3-state output "H" voltage 3-state output "L" voltage
Symbol
VpOC VpOC VpTH VpTL
Test condition
RL=910(5mA) VDD=4.75V RL=4.3K(1mA) VDD=4.75V R(GND):6.8K R(Vdd):6.8K R(GND):6.8K R(Vdd):6.8K
Min
Limits typ Max
Unit
0.3 0.6 0.3 0.6
V
4.25 4.50 0.35 0.5
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