MITSUBISHI SOUND PROCESSOR
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M62445FP
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APPLICATION
DIGITAL SOUND CONTROLLER
WITH DYNAMIC BASS BOOST
DIGITAL SOUND CONTROLLER
WITH DYNAMIC BASS BOOST
OUTLINE
Mini-Compo,Radio cassette etc.
FEATURES
<Dynamic Bass Boost>
Maximum boost level setting was adapted input level.
Maximum boost level setting:20dB,15dB,10dB,5dB,0dB(OFF)
64P6N
<Input Selector>
64pinQFP
(Lead pitch0.8mm)
Tch stereo input mode (A,B,C,D,E)
<Tone controlle>
Bass/Treble(±10dB,8dB,6dB,4dB,2dB,flat)
<Gain controlle>
Through gain controlle(22dB ~ 36dB;2dB/step)
<Function mode select>
Monoral(L,R,L+R),Vocal cut
<Electric volume>
0dB ~ -87dB(1dB/Step), -∞
<Expansion output port>
NPN open colector output (8pcs),3-state output (2pcs)
RECOMMENDED OPERATING CONDITIONS
Rated supply voltage••••••Analog
Digital
VCC=4.75V/VEE=-4.75V(typ)
VDD=4.75V(typ)
SYSTEM CONFIGURATION
REC1
MIC in
OUT1
Mode select
IN1
X5
IN2
X5
Volume
Through
Lch only
Rch only
L+R mono
Vocal cut
Tone
Dynamic
BassBoost
Level
Detector
Bass/
Treble
MCU Interface
Output port
3-state port
OUT2
REC2
CLK DATA LATCH
1 2 3 4 7 8 9 10
MITSUBISHI
ELECTRIC
5
6
1 / 17
MITSUBISHI
ELECTRIC
2
1
D
E
62
63
64
VDD
C
sw3
IN1D
IN1E
61
sw5
3
4
sw4
B
A
A
3K
5
6
Vocal
Cut
+
-
+
+
SW
OPAmp
a b
sw9
8
9
sw7
16
ALCIN1
15
OUTPUT1
14
13
a
12
33
b
TBASS1-1
11
10
6dB
6dB
34
35
sw11
Bass/Treble
T-Bass
Filter
MIC
MIX
SW
OPAmp
6dB
6dB
36
T-Bass
Filter
37
ALC
7
sw8
60
59
IN1A
MIC IN
B
0dB
~10dB
10dB
38
sw10
IN1B
IN1C
58
KEYOUT
C
sw1
VCC
56
VC1
RECOUT1
D
sw6
sw2
57
55
AGND1-2
KEYIN
E
3K
VC2
54
52
IN2C
53
51
IN2D
IN2B
IN2A
50
39
Bass/Treble
40
b a
10dB
RECOUT2
a
+
-
RECIN2
SELOUT2
b
IN2E
VOLIN2
49
AGND1-1
AGND2
BASS2-1
41
BASS2-2
42
TRE2
BASS2-3
43
Logic
Interface
+
+
44
TBASS2-1
45
TBASS2-3
TBASS2-2
46
OUTPUT2
-
47
ALCIN2
48
LATCH
PORT1
30
PORT5
PORT6
PORT9
PORT10
17
PORT8
19
18
PORT7
20
21
VEE
22
PORT4
25
23
PORT3
26
TALC
DGND
27
24
PORT2
28
29
31
CLK
DATA
32
Block diagram/Pin configuration
TBASS1-3
TBASS1-2
TRE1
BASS1-3
BASS1-2
BASS1-1
VOLIN1
NC2
NC1
RECIN1
SELOUT1
2 / 17
MITSUBISHI
ELECTRIC
sw7
2
sw5
3
3K
6
7
0.47µ
8
9
0.022µ
10
1K
12
2.7K
NC
NC
+
0.15µ
14
µ 0.15µµ
120K
13
15
33
16
0.1µ
µµ
0.033µ
11
T-Bass
Filter
6dB
6dB
34
+
35
a
5
MIC
MIX
SW
OPAmp
6dB
36
T-Bass
Filter
37
b
10µ
4
-
6dB
SW
OPAmp
Bass/Treble
sw9
1
+
+
a b
64
E
38
sw11
Digital Vdd
4.75V
63
D
39
ALC
IN1E
IN1D
62
sw3
IN1C
C
sw8
61
40
Bass/Treble
41
sw10
B
A
Vocal
Cut
+
-
42
10dB
0dB
~10dB
43
0.15µ
120K
0.15µ
910
PORT8
4.3K
4.3K
18
17
4.75V
PORT10
PORT9
4.3K
19
PORT7
PORT6
-4.75V
Analog Vee
4.75V
PORT4
PORT5
4.3K
100K
10µ
4.75V
PORT2
PORT1
MCU
Digital GND
PORT3
910
910
+
20
21
22
23
24
25
26
27
28
29
910
LATCH
31
30
DATA
32
CLK
3-State
output
IN1B
60
59
58
sw4
IN1A
Analog Vcc
4.75V
sw1
57
56
sw2
0.33µ
0.068µ
44
3K
55
A
B
C
D
45
b a
GND1
54
53
52
51
E
sw6
IN1A
IN1B
IN1C
50
49
46
0.033µ
a
IN1D
IN1E
47
0.022µ
2.7K
GND2
48
REC2
b
10dB
Key Cont.
0.47µ
10µ
+
-
+
Logic
Interface
+
+
10µ
Open collector output
+
1K
0.1µ
-
GND1
Application circuit
Open collector output
µ
10µ
REC1
MIC IN
3 / 17
MITSUBISHI
ELECTRIC
Noise
Level
Selector
Output
Level
Mono/Lch/Rch
-2dB~12dB
(2dB/step)
0dB
6dB
MIX
MIC
1.5µVrms
-28dBV
(40mVrms)
4.3µVrms
G:8dB
G:12dB
12dB
G:0dB
ATT:-∞ 1.5µVrms
6µVrms
Output
2dBV
(1.25Vrms)
6dB
15µVrms
G:6dB
7µVrms
0dB~ +20dB
(5dB/step)
T-Bass
6µVrms
-4dBV
(630mVrms)
-10dB~ +10dB
(2dB/step)
Bass/Treble
2.5µVrms 10µVrms
ATT:-2dB
-14dBV
(200mVrms)
-2dB~
-80dB
(1dB/step)
10.0µVrms
G:6dB
5.0µVrms
-20dBV
(100mVrms)
Maxmum Input/Output Level(8dBV;2.5Vrms typ)
0dB
Key Cont.
Gain
Input
M62445FP Signal Level Diagram
Through
4 / 17
Absolute supply voltage
Symbol
VCC,VDD
VEE
Conditions
Parameter
Ratings
Unit
Analog(+)
supply voltage
Digital
+5.0
V
Analog(-)
-5.0
V
supply voltage
Pd
Power dissipation
Ta≤25°C
1000
K
Thermal derating
Ta>25°C
10
mW/°C
Topr
Operating temperature
-20~+65
°C
Tstg
Storage temperature
-40~+125
°C
mW
Thermal derating
Power dissipation pd [W]
1.5
1.0W
1.0
600mW
0.5
0
0
25
50
65 75
100
125
150
Ambient temperature Ta [°C]
MITSUBISHI
ELECTRIC
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Recommended operating conditions
( Ta=25°C, Unless otherwise noted. )
Parameter
Limits
Symbol
Analog(+)supply voltage
VCC
Analog(-)supply voltage
VEE
Digital supply voltage
VDD
Conditions
TYP
MAX
4.5
4.75
5.0
V
-5.0
-4.75
-4.5
V
4.5
4.75
5.0
V
VDD
V
Noted1
Noted1
VDD≤VCC
Unit
MIN
Logic "H"level
input voltage
VIH
0.7xVDD
Logic "L"level
input voltage
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
D1
D16
D17
D0
L
H
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. )
MITSUBISHI
ELECTRIC
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Clock and data timings
t cr
CLOCK
75%
25%
tr
tf
t
t
WHC
WLC
75%
DATA
25%
tr
t SD
tf
t HD
tWHC
tr
tf
tSL
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
MITSUBISHI
ELECTRIC
Min
Limits
typ Max
Unit
4
1.6
1.6
0.4
0.4
µsec
0.8
0.8
1
1.6
7 / 17
Data inpup format
Four kinds of input format options are available by changing slot
settngs of D15,D16 and D17.
Input format
selection slot
(Initialize all data of the four formats when power is turned on.)
Input direction
MSB
DO
(A)
D1
D2
D3
Input selector
control
I0
I1
I2
D4
(C)
(D)
D6
Rec
mute
Gain control
G0 G1 G2 M0
Port output1-4
(B)
D5
LSB
D7
D8
D1O D11 D12
KARAOKE control
0
K0 K1 K2 K3
Port output5,6
(Open collector output)
D9
Port output7-10
(3state output)
(Open collector output)
O0 O1 O2 O3 Ss0 Ss1 St0 St1 O6 O7 O8 O9
Lch volume control
L0 L1
L2 L3
L4 L5
Bass boost/cut
L6
Treble boost/cut
T-bass gain
B
I1
I2
0
0
0
AIIoff
off
0
0
1
A
on
0
B
0
1
Sel.SW sw1,5
D17
0 0 0 1 0 0
0 1 1
0 0 0 0 1 1 1
(A) -2
I0
D16
0 0 0 0 0 0
R0 R1 R2 R3 R4 R5 R6
(A) -1 Input selector setting code
A
D14 D15
Rch volume control
1
B0 B1 B2 B3 T0 T1 T2 T3 TB0 TB1 TB2
Selector
Input mute
D13
Gain control setting code
Gain
G0
G1
G2
on
0 dB
0
0
0
off
2 dB
0
0
1
4 dB
0
1
0
6 dB
0
1
1
sw2,4
C
0
1
1
C
D
1
0
0
D
8 dB
1
0
0
0
1
1
0
E
10 dB
Unsettled Unsettled Unsettled
12 dB
1
1
0
1
1
0
1
1
Unsettled Unsettled Unsettled
14 dB
1
1
1
E
Prohibition
1
1
Prohibition
1
(A) -4
Rec mute setting code
(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
sw1
sw2
sw3
sw4
sw5 sw8§9
on
on
on
off
off
off
on
off
off
off
off
off
on on
off
on
on on
off
on
on
off
MITSUBISHI
ELECTRIC
off
off
off
a
b
b
b
b
Rec
output
Rec mute
OFF
Rec mute
ON
M0
0
1
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(B) -1
(B) -2
(Port output mode)
(3-State port output mode)
Open collector output
Data O0
Pin
O1
O2
Port Port
1
2
Port
3
O3 O6
Port
4
CMos Tr.output
O7 O8
Port Port
7
8
0
Current sink(Tr.) OFF
1
Current sink(Tr.) ON
Port
9
O9
Port
10
Ss0 Ss1
0
1
0
1
0
0
1
1
Port 5
St0
St1
Low
0
open
open
Hi
1
0
1
0
0
1
1
Port 6
Low
open
open
Hi
(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
L5
R5
L6
R6
-0dB
0
0
-1dB
-2dB
1
0
0
1
-3dB
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.
MITSUBISHI
ELECTRIC
9 / 17
(D) -1
Tone control setting code.
Bass
(D) -2
Dynamic bass boost
setting code.
Treble
Gain
B0 B1 B2 B3
Gain
T0 T1 T2 T3
TB0 TB1 TB2 sw9,10
Output mute
0
0
0
b
T-Bass OFF
1
0
0
a
5dB
0
1
0
10dB
1
1
0
15dB
0
0
1
20dB
1
0
1
0
Prohibition
0
1
1
0
0
Prohibition
1
1
1
1
0
0
0
0
1
0
1
0
1
0
1
0
1
1
+10dB
1
0
1
1
0
0
1
1
+8dB
0
0
1
1
1
1
0
1
+6dB
1
1
0
1
0
1
0
1
+4dB
0
1
0
1
1
0
0
1
+2dB
1
0
0
1
0
0
0
1
0dB
0
0
0
1
0
0
0
0
0dB
0
0
0
0
1
0
0
0
-2dB
1
0
0
0
1
0
0
-4dB
0
1
1
1
0
0
-6dB
1
0
0
1
0
-8dB
1
0
1
0
-10dB
Note) Gain setting code is only name.
If external compornent parts are change, Gain setting is different.
MITSUBISHI
ELECTRIC
10 / 17
E
63
C
61
D
B
60
62
A
59
SW1-2
SW1-1
A
B
53
54
C
52
D
E
B
A
A
B
SW5
SW3
SW1
3K
3K
4
Rec output
10dB
B
2
6K
-
7
2K
+
A
Selector output
56K
2
6
4
10
8
6.5K
1.5K
1.1K
2.2K
4.7K
14.2K
1.3K
6
4
2
8
10
11
12.8K
2.52K
2.2K
4.7K
1.3K
57
0.33µ
-
6.5K
0~14dB/2dB step
SW
MUTE
25K
0~14dB/2dB step
3K
SW
MUTE
SW4
3K
SW2
(2) Rec output/Volume/Tone/T-Bass block (only Ch1)
Input selector
IN 1
IN 2
51
50
+
(1) Selector/Karaoke function
0.068µ
30K
30K
10K
30K
10K
+
-
30K
48
0~20dB/5dB step
47
10K
10K
6K
6K
6dB
+
+
6dB
SW9 OP AMP
10K
6dB
SW 8 OP AMP
10K
Key control IC
T-Bass block
56
51K
30K 30K
1
Mic input
+
+
+
+
+
Block diagram in detail
+
+
MITSUBISHI
ELECTRIC
+
11 / 17
Output (ch1)
15
3
Selector output
45
Master volume circuit
A:3dBATT
A
- 0 dB
+
- 2 dB
-
- 4 dB
- 6 dB
- 8 dB
- 10 dB
L/R5,6
Master volume setting code
- 12 dB
- 14 dB
L/R0
- 16 dB
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
- 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
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
L/R3
L/R4
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
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
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
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
-∞
-∞
MITSUBISHI
ELECTRIC
12 / 17
Tone control circuit
(1)Equivalent circuit of tone control (bass)
resonance circuit block
R3
FBASS
Center frequency
C1
f0 = 1 / 2
OUT
BASS
C1•C2•R1•R2 [Hz]
R1
Q=
C2
C2 (R1•R2 ) / C1 (R1+R3)
2
(Ex.)Bass band (f=150Hz )
R1=1.5KΩ , R2=56KΩ
C1=1.5µ , C2=0.01µ
INBASS
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
MITSUBISHI
ELECTRIC
13 / 17
Dynamic bass boost (T-Bass) circuit
SW OP AMP
OUT2
Output mute move together
BPF
C1 C2
T-Bass level
R1
Center frequency
R2
f0 = 1 / 2
Q=
R3
C1•C2•R1•R2 [Hz]
(C1•C2•R2)/R1 / (C1+C2)
(Ex.)T-BAss band f=60Hz
R1=2.6KΩ , R2=120KΩ
C1=0.15µ , C2=0.15µ
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
Ex.Output
value
Hi :
Mid :
Low :
4.35V
2.4V
0.35V
6.8K
DGND
Voltage rage of output port = DGND~DVDD
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Electrical characteristics
(Ta=25°C, 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
Test condition
ICC
No input signal
IEE
No input signal
IDD
No input signal
Min
-50
typ
Max
Unit
26
37
mA
mA
-37
0.8
10
mA
(2) Input/output characteristics
Normal
Parameter
Symbol
Input resistance
Rin
Crosstalk between
selectors
ST
Maximum output voltage
VOM
Pass gain
Gv
Total harmonic
distortion
THD
Min
Vi=0.04Vrms , RL=10KΩ,JIS-A
Rg=10KΩ,1pin=GND
RL =10KΩ,THD=1%
Vi=0.04Vrms,FLAT
Output noise voltage
27
BW=400~30kHz
VNO(REC)
Crosstalk between
channels
Maximum attenuation
Volume step
Gain declination
between volume
CT
ATTmax
VOLSTEP
51
KΩ
-75 -60
dB
Vrms
30
33
dB
%
60 100
Vo=0.04Vrms , RL=10KΩ,JIS-A
Rg=10KΩ,1pin=GND
15
30
10
20
-75 -60
7,43pin=2Vrms
ATTmax=20log(Vo/12.6)
µVrms
dB
-116 -106
29,36pin,Rg=10KΩ,JIS-A,
VOL=-∞dB
dB
1
-1.5
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ELECTRIC
Unit
0.02 0.05
Rg=0Ω,JIS-A,
VOL=0dB,Gain:0dB
Rg=0Ω,JIS-A,
VOL=-∞dB,Gain:0dB
Rg=0Ω,JIS-A,
Gain:0dB
Dvol
Max
0.02 0.05
Vo=1.0Vrms , RL=10KΩ
BW=400~30kHz
Vno2
typ
2.20 2.45
THD(REC) Vo=0.16Vrms , RL=10KΩ
Vno1
Volume
Limits
Test condition
0
1.5
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Gain control
Parameter
Symbol
Gain control
maximum gain
GCMAX
Gain control step
GCSTEP
Balance between
channels
BALT
T-Bass control
Tone control
Tone control
voltage gain
Tone control
step
Vo=0.04Vrms , RL=10KΩ,JIS-A
Rg=10KΩ,Gain:14dB~0dB
12
-1.5
T -10dB
T +10dB
Vo=0.04Vrms
Treble (f=10KHz)
Bass (f=150Hz)
14
0
-13 -10
7
10
Unit
16
dB
+1.5
-7
13
dB
2
TCSTEP
BALT
T-Bass voltage gain
maximum range
TBB20dB
Balance between
channels
Limits
Min typ Max
2
Balance between
channels
T-Bass step
Test condition
-1.5
f=60Hz,Vi=0.01Vrms
15
0 +1.5
20
25
dB
5
TBSTEP
-2.0
BALT
0
+2.0
(3) Output port
Parameter
Symbol
Remain voltage of output port
pin29,28,26,25(Open collector output)
VpOC
Remain voltage of output port
pin20,19,18,17(Open collector output)
VpOC
Test condition
RL=910Ω(5mA)
VDD=4.75V
RL=4.3KΩ(1mA)
VDD=4.75V
3-state output "H" voltage
VpTH
R(GND):6.8KΩ
R(Vdd):6.8KΩ
3-state output "L" voltage
VpTL
R(GND):6.8KΩ
R(Vdd):6.8KΩ
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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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