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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
Tone and Volume Controller by I2C Bus System
OUTLINE
M62420SP/FP is the tone and volume controller 2 which is controlled by I C bus. This IC can apply the broad application because of low noise and distortion.
PACKAGE OUTLINE
FEATURE
*TONE(Bass/Treble) control and 1dB step volume control are enabled . *Low noise and low distortion . VNO= 4.5Vrms, CTHD=0.1% max *Controlling by serial data in conformity to the I 2 C bus format .
20 P 4 B ( SP )
PITCH : 1.78 mm SIZE : 19.0 mm X 6.3 mm X 3.3 mm
APPLICATION 20 P 2 N ( FP )
*TV, Mini-Stereo , etc RECOMMENDED OPERATING CONDITION *Supply voltage range *Rated supply voltage 8.5~9.5V 9V (analog) (analog) 4.5~5.5V (digital) 5V (digital)
PITCH : 1.27 mm SIZE : 5.3 mm X 12.6 mm X 1.8 mm
SYSTEM BLOCK DIAGRAM M62420SP/FP
Lch IN
VOLUME BASS TREBLE TONE CONTROL
Lch OUT
Rch IN
VOLUME I C BUS INTERFACE
2
Rch OUT
BASS TREBLE TONE CONTROL
SCL
SDA
1
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
BLOCK DIAGRAM
CH2 IN
SIMOUT2
SIMIN 2
BASS2
AGND
20 19
18 17
16 15
TRE2
14
OUT2
13 12 11
1.8K
SIMAMP2 VR4 VR6 136K ref S2 S4 S6 S8 TONE AMP2
6.5K VR2 ref
VOLAMP2
6.5K CONTROL LOGIC 6.5K 6.5K
TONE AMP1
ref VR1
VOLAMP1
ref ref
S1 S3S5 S7 VR3 VR5 I C BUS INTER FACE
2
136KSIMAMP1 1.8K
1
2
3
4
5
6
7
8
DVDD
9
10
SIMIN 1
CH1 IN
SIMOUT 1
BASS1
DGND
OUT1
TRE1
SDA
REF
MITSUBISHI ELECTRIC
SCL
RESET
AVDD
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
PIN DESCRIPTION
PIN No.
PIN NAME REF CH1 IN SIMIN 1 SIMOUT 1 BASS1 TRE1 VOL OUT1 DGND SDA SCL RESET DVDD AGND VOL OUT2 TRE2 BASS2 SIMOUT2 SIMIN 2 CH2 IN AVDD
I/O I I I O I I O I I/O I I I I O I I O I I I
DESCRIPTION
Reference voltage terminal for anarog Input terminal (ch1) Pin for capaciter of simurated inductor 1 Pin for capaciter of simurated inductor 1 Pin for capaciter of ch1-side bass setting Pin for capaciter of ch1-side treble setting Output terminal (ch1) Digital GND I/ O terminal of DATA I C bus format Input terminal of CLOCK I C bus format RESET terminal of built-in logic circuit VDD for digital circuit GND for analog circuit Output terminal (ch2) Pin for capaciter of ch2-side treble setting Pin for capaciter of ch2-side bass setting Pin for capaciter of simurated inductor 2 Pin for capaciter of simurated inductor 2 Input terminal (ch2) VCC for analog circuit
2 2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
ABSOLUTE MAXIMUM RATINGS
SYMBOL
AVdd DVdd Pd K Topr Tstg
PARAMETER
Analog supply voltage Digital supply voltage Power dissipation Thermal Derating ratio Operating temperature Strage temperature
CONDITION
LIMITS 10.0 7.0
UNIT V V mW mW/C C C
Ta Ta
25C 25C
750 7.5 -20~+75 -40~+125
Thermal Derating
Power dissipation pd [mW]
1000 800 600 400 200 0 0 25 50 75 100 125 150
SP
750mW 550mW 375mW 275mW
FP
Ambient temperature Ta [C]
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
RECOMMENDED OPERATING CONDITION
( Ta=25C unless otherwise noted )
ITEM
Analog supply voltage Digital supply voltage H level input voltage (logic circuit) L level input voltage (logic circuit)
SYMBOL
CONDITION
MIN 8.5 4.5
0.7 DVDD
TYP 9.0 5.0
MAX 9.5 5.5 VDD
0.3 DVDD
UNIT
AVDD DVDD VIH VIL
V V V V
0
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
ELECTRIC CHARACTERISTICS
( Ta=25C, AVDD=9V,DVDD=5V and tone,bassboost=0dB unless otherwise noted )
( 1 ) SUPPLY VOLTAGE
ITEM
Analog supply current Digital supply current SYMBOL CONDITION
*AVdd=9.0V *mesure terminal=20 pin *no signal input *DVdd= 5V *mesure terminal=12 pin *no signal input Min LIMIT typ Max
UNIT mA A
Icc Idd
10 0
20 2
( 2 ) I / O CHARACTERISTICS
ITEM
Maximum input voltage Output voltage Gain Output noise voltage Total harmonic distortion SYMBOL VIM Vodc Gv Vono THD CT CONDITION
2,19pin input7,14pin output RL=10K, 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=10K 7,14pin 7pin,14pin f=1kHz Vo=0.5Vrms , RL=10K LPF=30kHz RL=10K S:Vin=1Vrms,f=1kHz M:Rg=10k,JIS-A filter Min LIMIT typ Max
UNIT Vrms
2.0 4.35 -2
3.2 4.5 0 4.5 4.65 2 30
V dB
Vrms
0.05 0.1 -100 -70
% dB
Channel separation
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
( 3 ) TONE CHARACTERISTICS
ITEM
Tone controll gain (bass) Tone controll gain (treble) SYMBOL Gbassb Gbassc Gtrebb Gtrebc CONDITION f=100Hz f=10KHz
Min LIMIT typ Max
UNIT dB dB dB dB
9 -15 9 -15
12 -12 12 -12
15 -9 15 -9
( 4 ) VOLUME CHARACTERISTICS
ITEM Maximum attenuation Minimum attenuation
SYMBOL ATTmax ATTmin CONDITION
f=1KHz, Vin=0dBm 2pin~7pin 19pin~14pin gain JIS-A filter Min LIMIT typ Max
UNIT dB dB
-108 -1.5
-100 -80 0 1.5
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
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 Q= ( C2 * R2 ) / ( C1 * R1 ) f0 = 1 / 2 C1 * C2 * R1 * R2 [Hz]
C2
R1 (=1.8K)
( EX ) BASS band ( f=100Hz ) R1=1.8K , R2=136K C1=0.47 , C2=0.022
SIMAMP
R2 (=136K)
ref
FIG1. The circuit used simurated inductor.
FIG1 is equal to FIG2. The following relation is concluded.
ref
L C1 R3
L=C2 * ER1 * ER2
FIG2. The equivalent circuit used L.
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
I 2C BUS INPUT DATA FORMAT
Input direction S
( 1 ) slave address
A
( 2 ) sub address
A
( 3 ) data
AP ending term
starting term
acknowledge bit
acknowledge bit
( 1 ) slave address
A6 A5 A4
The following slave address is assigned at this IC.
A3
A2
A1
A0
R/W
1
0
0
0
0
0
0
( 2 ) sub address
subA7 subA6
The following sub address is defined at this IC.
subA5
subA4
MUTE mode
subA3
TREBLE level mode
subA2
BASS level mode
subA1
channel2 volume mode
subA0
channel1 volume mode
empty slot
1: ON 0: OFF
1: ON 0: OFF
1: ON 0: OFF
1: ON 0: OFF
1: ON 0: OFF
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
( 3 ) -1: volume control The volume control is enabled at following condition. subA0 : subA1 : 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
0,1,1 (either bit is 1) 1,0,1
subA2 : 0 subA3 : 0
(both bits are 0)
D4
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
D3
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
D2
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
D1
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
D0
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
ATT
0dB 1dB 2dB 3dB
D6
H H L L
D5
H L H L
* *
* 2dB,3dB setting is
enabled at less than 42dB step.
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
( 4 ) -2 : tone level control The tone level controlling is enabled at following condition. subA0 : 0 subA1 : 0 tone code
BASS TREBLE (both bits are 0)
subA2 : subA3 :
0,1,1 (either bit is 1) 1,0,1
D7
12dB 10dB 8dB 6dB 4dB 2dB 0dB -2dB -4dB -6dB -8dB -10dB -12dB L L L L L L L H H H H H H
D6
H H H L L L L L L L H H H
D5
H L L H H L L L H H L L H
D4
L H L H L H L H L H L H L
D3
L L L L L L L H H H H H H
D2
H H H L L L L L L L H H H
D1
H L L H H L L L H H L L H
D0
L H L H L H L H L H L H L
non-used code
HHHH LHHH HLLL
( 5 ) -3 : Mute mode The mute mode is enabled at following condition. subA0 : no definition subA1 : no definition subA2 : no definition subA3 : no definition subA4 : 1
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
DATA and CLOCK
S D A (IN)
SCL
1
2~7
8
9
S D A (OUT)
S start
ACK acknowledge
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 .
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
BUS LINE TIMMING SPECIFICATION
tR, tF tBUF VIL
SDA
VIH
tHD:STA VIL
SCL
tSU:DAT
tHD:DAT
tSU:STA
tSU:STO
VIH tLOW
S
tHIGH
S
P
S
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 Fall time of both SDA and SCL lines Set-up time for stop condition
symbol
MIN -0.5 3.0 0 4.7 4.0
MAX 1.5 5.5 100 -
units V V KHz s s
VIL VIH fSCL tBUF tHD:STA tLOW tHIGH tSU:STA tHD:DAT tSU:DAT tR tF tSU:STO
4.7 4.0 4.7
-
s s s
0 250 4.0
1000 300 -
s ns ns ns s
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
LEVEL DIAGRAM
G1
6.5K
6.5K
-12dB~ +12dB
G2
CH1 IN VOLAMP1
ref
G1
TONEAMP1
CH1 OUT
0dB~ -dB
136K
ref
1.8K
same to CH1
CH2 IN
CH2 OUT
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
LOGIC CIRCUIT ANALOG BLOCK
ref
TONE AMP1 VOLAMP1
Level shifter
Decoder, latch for volume control Decoder, latch for tone control Sub-address latch circuit

Slave address compare circuit
Acknowledge generator
Timing generator

SDA SCL
Bi-direct control
Shift register
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MITSUBISHI SOUND PROCESSOR
M62420SP/FP
SOUND CONTROLLER FOR TV
APPLICATION EXAMPLE
OUT2
ref 0.033 F 2.2F DVDD 10K 430 0.022 F 0.47 F 1.8K AGND 100K 1000pF
2.2 F
IN2
VCC 10K
20 19
18 17
16 15
14
13 12 11
1.8K
SIMAMP2 VR4 VR6 136K ref S2 S4S6 S8 TONE AMP2
6.5K VR2 ref
VOLAMP2
6.5K CONTROL LOGIC 6.5K 6.5K
TONE AMP1
ref VR1
VOLAMP1
ref ref
S1 S3 S5 S7 VR3 VR5 I2C BUS INTER FACE
136KSIMAMP1 1.8K
Reference circuit example 470 F 4.7K 4.7K
1
2
3
0.022 F
4
5
6
7
8
9
10
0.47 F 0.033 F
1.8K DGND 430 10K
ref
IN1
2.2 F 10K
2.2 F
Reference voltage
MPU
OUT1
MITSUBISHI ELECTRIC
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