Page 1
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
M62420SP/FP
SOUND CONTROLLER FOR TV
2
Tone and Volume Controller by I C Bus System
OUTLINE
M62420SP/FP is the tone and volume controller
which is controlled by I C bus.
This IC can apply the broad application because of
low noise and distortion.
2
FEATURE
•TONE(Bass/Treble) control and 1dB step
volume control are enabled .
•Low noise and low distortion .
V
NO= 4.5µVrms, CTHD=0.1% max
•Controlling by serial data in conformity to the
2
I C bus format .
PACKAGE OUTLINE
20 P 4 B ( SP )
PITCH : 1.78 mm
SIZE : 19.0 mm X 6.3 mm X 3.3 mm
APPLICATION
•TV, Mini-Stereo , etc
RECOMMENDED OPERATING CONDITION
•Supply voltage range 8.5~9.5V (analog) 4.5~5.5V (digital)
•Rated supply voltage 9V (analog) 5V (digital)
SYSTEM BLOCK DIAGRAM
M62420SP/FP
Lch IN
BASS TREBLE
TONE CONTROL
BASS TREBLE
TONE CONTROL
Rch IN
VOLUME
VOLUME
2
I C BUS INTERFACE
20 P 2 N ( FP )
PITCH : 1.27 mm
SIZE : 5.3 mm X 12.6 mm X 1.8 mm
Lch OUT
Rch OUT
SCL SDA
MITSUBISHI
ELECTRIC
1
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Page 2
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
BLOCK DIAGRAM
AVDD
SIMIN 2
CH2 IN
181920
SIMAMP2
136K
ref
S2 S4
SIMOUT2
BASS2
17
1.8K
S6 S8
TONE
AMP2
VR6VR4
OUT2
TRE2
M62420SP/FP
SOUND CONTROLLER FOR TV
RESET
DVDD
AGND
111213141516
VR2
VR1
ref
1
6.5K
ref
VOLAMP2
VOLAMP1
ref
6.5K
S1 S3
ref
136K
2 3 4
S5 S7
SIMAMP1
1.8K
6.5K
CONTROL
LOGIC
6.5K
TONE
AMP1
2
I C BUS
INTER
FACE
VR3
VR5
5 6 7 8 9 10
REF
CH1 IN
SIMIN 1
BASS1
SIMOUT 1
TRE1
MITSUBISHI
ELECTRIC
DGND
OUT1
SDA
SCL
( / )
16
2
Page 3
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
PIN DESCRIPTION
PIN No. PIN NAME
1
2
3
4
5
6
7
REF
CH1 IN
SIMIN 1
SIMOUT 1
BASS1
TRE1
VOL OUT1
I/O
O
O
Reference voltage terminal for anarog
I
Input terminal (ch1)
I
Pin for capaciter of simurated inductor 1
I
Pin for capaciter of simurated inductor 1
Pin for capaciter of ch1-side bass setting
I
Pin for capaciter of ch1-side treble setting
I
Output terminal (ch1)
M62420SP/FP
SOUND CONTROLLER FOR TV
DESCRIPTION
8
9
10
11
12
13
14
15
16
17
18
19
20
DGND
SDA
SCL
RESET I RESET terminal of built-in logic circuit
DVDD
AGND
VOL OUT2
TRE2
BASS2
SIMOUT2
SIMIN 2
CH2 IN
AVDD
I
Digital GND
I/O
I/ O terminal of DATA I C bus format
Input terminal of CLOCK I C bus format
I
I
VDD for digital circuit
GND for analog circuit
I
Output terminal (ch2)
O
Pin for capaciter of ch2-side treble setting
I
Pin for capaciter of ch2-side bass setting
I
Pin for capaciter of simurated inductor 2
O
Pin for capaciter of simurated inductor 2
I
I
Input terminal (ch2)
VCC for analog circuit
I
2
2
MITSUBISHI
ELECTRIC
( / )
3
16
Page 4
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
ABSOLUTE MAXIMUM RATINGS
SYMBOL
AVdd
DVdd
Pd
K 7.5
Topr
Tstg
PARAMETER
Analog supply voltage
Digital supply voltage
Power dissipation
Thermal Derating ratio
Operating temperature
Strage temperature
CONDITION LIMITS UNIT
Ta 25°C
Ta 25°C
M62420SP/FP
SOUND CONTROLLER FOR TV
10.0
7.0
750
-20~+75
-40~+125
V
V
mW
mW/°C
°C
°C
Thermal Derating
1000
SP
800
600
FP
400
200
0
Power dissipation pd [mW]
0
25 50 75 100
Ambient temperature Ta [°C]
750mW
550mW
375mW
275mW
125
150
MITSUBISHI
ELECTRIC
( / )
16
4
Page 5
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
RECOMMENDED OPERATING CONDITION
ITEM
Analog
supply voltage
Digital
supply voltage
H level input voltage
(logic circuit)
L level input voltage
(logic circuit)
SYMBOL CONDITION
AVDD
DVDD
VIH
VIL
M62420SP/FP
SOUND CONTROLLER FOR TV
( Ta=25°C unless otherwise noted )
MIN
8.5
4.5
0.7 DVDD
0 0.3 DVDD
TYP MAX
9.0
9.5
5.0 5.5
VDD
UNIT
V
V
V
V
MITSUBISHI
ELECTRIC
( / )
16
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Page 6
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
ELECTRIC CHARACTERISTICS
( 1 ) SUPPLY VOLTAGE
ITEM
Analog supply current
Digital supply current
( 2 ) I / O CHARACTERISTICS
ITEM
Maximum input voltage
Output voltage Vodc
Gain
Output noise voltage
Total harmonic distortion
Channel separation
SYMBOL CONDITION
Icc
Idd
SYMBOL CONDITION
VIM
Gv
Vono
THD
CT
M62420SP/FP
SOUND CONTROLLER FOR TV
( Ta=25°C, AVDD=9V,DVDD=5V and tone,bassboost=0dB
unless otherwise noted )
LIMIT
•AVdd=9.0V
•mesure terminal=20 pin
•no signal input
•DVdd= 5V
•mesure terminal=12 pin
•no signal input
2,19pin input7,14pin output
RL=10KΩ, THD=1%,f=1kHz
ATT=-6dB
7pin,14pin,
no signal
Vin=0dBm,FLAT,f=1kHz
2- 7PIN 19-14PIN gain
JIS-A filter
no signal
Rg=10KΩ 7,14pin
7pin,14pin f=1kHz
Vo=0.5Vrms , RL=10KΩ
LPF=30kHz
RL=10KΩ
S:Vin=1Vrms,f=1kHz
M:Rg=10kΩ,JIS-A filter
typ
Min
10
0
LIMIT
Min typ Max
2.0
3.2
4.5
0
4.5
-100
4.654.35
0.10.05
-70
Max
20
2
2-2
30
UNIT
mA
µA
UNIT
Vrms
V
dB
µ Vrms
%
dB
MITSUBISHI
ELECTRIC
( / )
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Page 7
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
( 3 ) TONE CHARACTERISTICS
ITEM
Tone controll gain
(bass)
Tone controll gain
(treble)
( 4 ) VOLUME CHARACTERISTICS
ITEM
Maximum attenuation
Minimum attenuation
SYMBOL CONDITION UNIT
Gbassb 9 15 dB
Gbassc
Gtrebc -15 -9 dB
SYMBOL CONDITION
ATTmax
ATTmin
f=1KHz, Vin=0dBm
2pin~7pin
19pin~14pin gain
JIS-A filter
f=100Hz
f=10KHz
M62420SP/FP
SOUND CONTROLLER FOR TV
LIMIT
typ
Min
-15 -9
9 15 dB
LIMIT
Min
-108 -80
-1.5 1.5
12
-12
12Gtrebb
-12
typ
-100
0
Max
Max
dB
UNIT
dB
dB
MITSUBISHI
ELECTRIC
7
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Page 8
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
FUNCTION EXPLANATION
( 1 ) EQUIVARATION CIRCUIT OF TONE CONTROLL
The resonance circuit is able to consstruct by using built-in
amplifier for simurated inductor. (Shows the constant as
follow)
Incide IC
Center frequency
R3
C1
f0 = 1 / 2π C1 • C2 • R1 • R2 [Hz]
Q = ( C2 • R2 ) / ( C1 • R1 )
M62420SP/FP
SOUND CONTROLLER FOR TV
ref
C2
R1
(=1.8KΩ)
SIMAMP
R2
(=136KΩ)
ref
FIG1. The circuit used simurated inductor.
L
C1
R3
( EX ) BASS band ( f=100Hz )
R1=1.8KΩ , R2=136KΩ
C1=0.47µ , C2=0.022µ
FIG1 is equal to FIG2.
The following relation is concluded.
L=C2 • ER1 • ER2
FIG2. The equivalent circuit used L.
MITSUBISHI
ELECTRIC
( / )
16
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Page 9
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
2
I C BUS INPUT DATA FORMAT
Input direction
( 1 ) slave
S A
address
starting term
( 1 ) slave address
acknowledge bit ending term
( 2 ) sub
address
The following slave address is assigned at this IC.
M62420SP/FP
SOUND CONTROLLER FOR TV
A
acknowledge bit
( 3 ) data
A
P
A6 A5 A4 A3 A2 A1 A0 R/W
1 0 0 0 0 0 0
( 2 ) sub address
subA6 subA5 subA4 subA3
empty slot
The following sub address is defined at this IC.
subA2 subA1
MUTE
mode
1: ON
0: OFF
TREBLE
level
mode
1: ON
0: OFF
BASS
level
mode
1: ON
0: OFF
channel2
volume
mode
1: ON
0: OFF
subA0subA7
channel1
volume
mode
1: ON
0: OFF
MITSUBISHI
ELECTRIC
( / )
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Page 10
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
( 3 ) -1: volume control
The volume control is enabled at following condition.
subA0 : 0 , 1 , 1
subA1 : 1 , 0 , 1
volume code
ATT
0dB
2dB
4dB
6dB
8dB
10dB
12dB
14dB
16dB
18dB
20dB
22dB
24dB
26dB
28dB
30dB
32dB
34dB
36dB
38dB
40dB
42dB
46dB
50dB
54dB
58dB
62dB
66dB
70dB
74dB
78dB
∞dB
D4 D3 D2 D1 D0
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
(either bit is 1)
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
M62420SP/FP
SOUND CONTROLLER FOR TV
subA2 : 0
subA3 : 0
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
0dB
1dB
* 2dB
* 3dB
* 2dB,3dB setting is
enabled at less than
42dB step.
(both bits are 0)
D5D6ATT
H
H
L
L
H
L
H
L
MITSUBISHI
ELECTRIC
( / )
10
16
Page 11
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
( 4 ) -2 : tone level control
The tone level controlling is enabled at following condition.
subA0 : 0
subA1 : 0
tone code
12dB
10dB
8dB
6dB
4dB
2dB
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
(both bits are 0)
BASS
D7 D6 D5 D4
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
H
H
H
H
L
L
H
H
L
L
L
H
H
L
L
H
subA2 : 0 , 1 , 1
subA3 : 1 , 0 , 1
D3 D2 D1 D0
L
H
L
H
L
H
L
H
L
H
L
H
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
M62420SP/FP
SOUND CONTROLLER FOR TV
(either bit is 1)
TREBLE
H
L
L
L
L
L
L
L
L
L
H
H
L
L
L
H
H
L
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
( 5 ) -3 : Mute mode
The mute mode is enabled at following condition.
subA0 : no definition
subA1 : no definition
non-used code
subA2 : no definition
subA3 : no definition
MITSUBISHI
ELECTRIC
HHHH
LHHH
HLLL
subA4 : 1
( / )
1611
Page 12
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
DATA and CLOCK
S D A (IN)
S C L
S D A (OUT)
S
start
1 2 ~ 7
8
ACK
acknowledge
M62420SP/FP
SOUND CONTROLLER FOR TV
9
P
stop
start
This term is defined by SDA(in) falling edge at SCL H .
stop
This term is defined by SDA(in) rising edge at SCL H .
CAUTION
The SDA(IN) level never change at SCK=H
except start and stop .
data transmisson
The SDA(IN) is enabled at SCL rising edge and H .
acknowledge
Transmitter must send H during ninth clock pulse of SCL .
The case of finished receiving , the receiver replies L synchronized to
falling edge of eighth pulse . And restart receiving the transmitted data
synchronized to falling edge of ninth pulse .
MITSUBISHI
ELECTRIC
( / )
12
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Page 13
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
BUS LINE TIMMING SPECIFICATION
tR, tF
VIL
SDA
VIH
SCL
VIL
VIH
tHD:STA tSU:STA
tLOW
S S P S
tHIGH
tHD:DATtSU:DAT
M62420SP/FP
SOUND CONTROLLER FOR TV
tBUF
tSU:STO
parameter
min. input low voltage
max. input high voltage
SCL clock frequency
Time the bus must be free before a new transmission can start
Hold time start condition. After this period the first clock pulse
is generated
The LOW preiod of the clock
The HIGH period of the clock
Set up time for start condition ( Only relevant for a repeated
start condition )
Hold time DATA
Set -up time DATA
Rise time of both SDA and SCL lines
symbol
VIL
VIH
fSCL
tBUF
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
MIN MAX units
-0.5 1.5 V
3.0
0 100 KHz
4.7
4.0
4.7
4.0
4.7
0
250
-
5.5 V
-
-
-
-
-
-
-
1000
µ s
µ s
µ s
µ s
µ s
µ s
ns
ns
Fall time of both SDA and SCL lines
Set-up time for stop condition
MITSUBISHI
ELECTRIC
tF
tSU:STO
4.0
-
300
-
( / )
13
ns
µ s
16
Page 14
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
LEVEL DIAGRAM
CH1 IN
VOLAMP1
ref
G1
0dB~ -∞dB
G1
6.5KΩ
M62420SP/FP
SOUND CONTROLLER FOR TV
6.5KΩ
TONEAMP1
-12dB~ +12dB
G2
CH1 OUT
CH2 IN
136K
ref
1.8K
same to CH1
CH2 OUT
MITSUBISHI
ELECTRIC
( / )
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Page 15
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
LOGIC CIRCUIT
ANALOG BLOCK
TONE
AMP1
Level shifter
M62420SP/FP
SOUND CONTROLLER FOR TV
ref
Decoder, latch
for volume control
VOLAMP1
Sub-address
latch circuit
<D3>
<D4>
Acknowledge
generator
<D1>
<D2>
<D0>
Decoder, latch
for tone control
<D6>
<D7>
Timing
generator
<D5>
<D4>
<D3>
<D2>
<D1>
<D0>
<D4>
<D6>
<D7>
<D5>
Slave address
compare circuit
<D3>
<D2>
<D0>
<D1>
SDA
SCL
Bi-direct
control
<D7>
MITSUBISHI
ELECTRIC
<D5>
<D6>
Shift register
<D4>
<D3>
<D2>
<D1>
<D0>
( / )
15
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Page 16
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
APPLICATION EXAMPLE
2.2µ F
IN2
VCC
10K
0.022µ F
181920
136K
ref
0.033µ F
17
SIMAMP2
S2 S4
0.47µ F
1.8K
S6 S8
VR4
ref
TONE
AMP2
M62420SP/FP
SOUND CONTROLLER FOR TV
OUT2
DVDD
10K
2.2µF
1000pF
111213141516
1.8K
VR6
430
100K
AGND
Reference circuit
example
470µ F
4.7K
4.7K
VR2
VR1
ref
1
Reference
voltage
6.5K
ref
VOLAMP2
VOLAMP1
ref
6.5K
S1
ref
136K
2 3 4
0.022µ F
S3
SIMAMP1
1.8K
0.47µ F
0.033µ F
6.5K
CONTROL
LOGIC
6.5K
TONE
AMP1
S5 S7
2
I C BUS
INTER
FACE
VR3
VR5
5 6 7 8 9 10
1.8K
DGND
430
IN1
2.2µ F
10K
MITSUBISHI
ELECTRIC
ref
OUT1
2.2µ F
10K
MPU
( / )
16
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