Mitsubishi M62421FP Sound controller Datasheet

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M62421SP/FP
SOUND CONTROLLER
Tone and Volume Controller with 2 Line Control
OUTLINE
PACKAGE OUTLINE
M62421SP/FP is the tone and volume controller
with 2 line control.
This IC can apply the broad application because of
low noise and distortion.
FEATURE
20 P 4 B ( SP )
PITCH : 1.78 mm
•TONE(Bass/Treble) control and 1dB step
volume control are enabled .
•Low noise and low distortion .
VNO= 4.5µVrms, THD=0.1% max
•Controlling by 2 Line serial data .
SIZE : 19.0 mm X 6.3 mm X 3.3 mm
APPLICATION
20 P 2 N ( FP )
•Mini-Stereo , etc
PITCH : 1.27 mm
SIZE : 5.3 mm X 12.6 mm X 1.8 mm
RECOMMENDED OPERATING CONDITION
•Supply voltage range
•Rated supply voltage
5.5~9.5V
9V
(analog)
(analog)
4.5~5.5V (digital)
5V (digital)
SYSTEM BLOCK DIAGRAM
Lch IN
Lch OUT
BASS TREBLE
VOLUME
TONE CONTROL
Rch IN
Rch OUT
VOLUME
D
A
T
C
L
K
BASS TREBLE
TONE CONTROL
MPU
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M62421SP/FP
SOUND CONTROLLER
420Ω
14
13 12 11
1.8K
1.8K
VR3
CS
AGND
16 15
DVDD
OUT2
BASS2
SIMOUT2
18 17
TRE2
20 19
SIMIN 2
CH2 IN
AVDD
BLOCK DIAGRAM
420Ω
VR5
SIMAMP2
117K
ref
S2 S4 S6 S8
200K
200K
TONE
AMP2
6.4K
VR2
6.4K
ref
ref
VOLAMP2
CONTROL
LOGIC
VOLAMP1
6.4K
VR1
6.4K
TONE
AMP1
ref
ref
S1 S3S5 S7
200K
200K
117K SIMAMP1
VR5 420Ω
VR3
1.8K
1.8K
1
2
3
4
5
6
7
8
9
10
REF
CH1 IN
SIMIN 1
SIMOUT 1
BASS1
TRE1
OUT1
DGND
DAT
CLK
420Ω
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M62421SP/FP
SOUND CONTROLLER
PIN DESCRIPTION
PIN No.
PIN NAME
I/O
DESCRIPTION
1
REF
I
Reference voltage terminal for analog
2
CH1 IN
I
Input terminal (ch1)
3
SIMIN 1
I
Pin for capacitor of simulated inductor 1
4
SIMOUT 1
O
Pin for capacitor of simulated inductor 1
5
BASS1
I
Pin for capacitor of ch1-side bass setting
6
TRE1
I
Pin for capacitor of ch1-side treble setting
7
OUT1
O
8
DGND
9
DAT
I
I/ O terminal of DATA 2 line bus format
10
CLK
I
Input terminal of CLOCK 2 line bus format
11
CS
I
Chip select terminal
12
DVDD
VDD for digital circuit
13
AGND
GND for analog circuit
14
OUT2
O
15
TRE2
I
Pin for capacitor of ch2-side treble setting
16
BASS2
I
Pin for capacitor of ch2-side bass setting
17
SIMOUT2
O
Pin for capacitor of simulated inductor 2
18
SIMIN 2
I
Pin for capacitor of simulated inductor 2
19
CH2 IN
I
Input terminal (ch2)
20
AVDD
Output terminal (ch1)
Digital GND
Output terminal (ch2)
VCC for analog circuit
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M62421SP/FP
SOUND CONTROLLER
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
AVdd
CONDITION
LIMITS
UNIT
Analog supply voltage
10.0
V
DVdd
Digital supply voltage
V
Pd
Power dissipation
Ta
25°C
K
Thermal Derating ratio
Ta
25°C
7.0
750(SP)
550(FP)
7.5(SP)
5.5(FP)
mW/°C
mW
Topr
Operating temperature
-20~+75
°C
Tstg
Storage temperature
-40~+125
°C
Power dissipation pd [mW]
Thermal Derating
1000
SP
800
750mW
600
550mW
FP
400
375mW
275mW
200
0
0
25
50
75
100
125
150
Ambient temperature Ta [°C]
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M62421SP/FP
SOUND CONTROLLER
RECOMMENDED OPERATING CONDITION
( Ta=25°C unless otherwise noted )
ITEM
Analog
supply voltage
Digital
supply voltage
H level input voltage
(logic circuit)
UNIT
MIN
TYP
MAX
AVDD
5.5
9.0
9.5
V
DVDD
4.5
5.0
5.5
V
VIH
0.7 DVDD
VDD
V
VIL
0
0.3 DVDD
V
SYMBOL
CONDITION
L level input voltage
(logic circuit)
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M62421SP/FP
SOUND CONTROLLER
ELECTRIC CHARACTERISTICS
( Ta=25°C, AVDD=9V,DVDD=5V and bass and treble=0dB
unless otherwise noted )
( 1 ) SUPPLY VOLTAGE
ITEM
SYMBOL
Analog supply current
Icc
Digital supply current
Idd
CONDITION
Min
•AVdd=9.0V
•measure terminal=20 pin
•no signal input
•DVdd= 5V
•measure terminal=12 pin
•no signal input
LIMIT
typ
Max
UNIT
10
20
mA
0
2
µA
( 2 ) I / O CHARACTERISTICS
ITEM
SYMBOL
CONDITION
Maximum input voltage
VIM
2,19pin input7,14pin output
RL=10KΩ, THD=1%,f=1kHz
ATT=-6dB
Output voltage
Vodc
7pin,14pin,
no signal
Gain
Output noise voltage
Gv
Vono
Total harmonic distortion
THD
Channel separation
CT
Vin=0dBm,FLAT,f=1kHz
2- 7PIN 19-14PIN gain
IHF-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,IHF-A filter
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Min
LIMIT
typ Max
UNIT
Vrms
2.0
3.2
4.35
4.5
4.65
V
-2
0
2
dB
4.5
10
µ Vrms
0.007 0.1
%
-100 -70
dB
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M62421SP/FP
SOUND CONTROLLER
( 3 ) TONE CHARACTERISTICS
ITEM
SYMBOL
CONDITION
Tone control gain
(bass)
Gbassb
Gbassc
f=100Hz
Tone control gain
(treble)
Gtrebb
Gtrebc
f=10KHz
Min
LIMIT
typ
Max
9
-15
9
-15
12
-12
12
-12
15
-9
15
-9
Min
LIMIT
typ
Max
UNIT
dB
dB
dB
dB
( 4 ) VOLUME CHARACTERISTICS
ITEM
SYMBOL
Maximum attenuation
ATTmax
Minimum attenuation
ATTmin
CONDITION
f=1KHz, Vin=0dBm
2pin~7pin
19pin~14pin gain
IHF-A-filter
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-108
-1.5
UNIT
dB
-100 -80
0
dB
1.5
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M62421SP/FP
SOUND CONTROLLER
FUNCTION EXPLANATION
( 1 ) EQUIVALENT CIRCUIT OF TONE CONTROL
The resonance circuit is able to construct by using built-in
amplifier for simulated inductor. (Shows the constant as
follow)
Inside IC
Center frequency
f0 = 1 / 2π
R3
C1 • C2 • R1 • R2 [Hz]
C1
Q=
R1
(=1.8KΩ)
C2
( C2 • R2 ) / ( C1 • R1 )
.
( EX ) BASS band ( f=100Hz
)
.
R1=1.8KΩ , R2=117KΩ
C1=0.47µ , C2=0.022µ
SIMAMP
R2
(=117KΩ)
ref
FIG1.
The circuit used simulated inductor.
FIG1 is equal to FIG2.
The following relation is concluded.
L=C2 • ER1 • ER2
ref
L
C1
R3
FIG2. The equivalent circuit used L.
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M62421SP/FP
SOUND CONTROLLER
INPUT DATA FORMAT
Input direction
D0
D1
D2
D3
0/1 0/1
D4
D5
D6
D7
D8
VOLUME
D9
D10
0/1
0
D11 D12
0
0/1
TREBLE
BASS
1
1
1
0
0: BOTH
1: ONLY 1CHANNEL These functions
are effective only
VOLUME data.
0: 1ch
1: 2ch
0:MUTE OFF
1:MUTE ON
DATA SELECT
0: VOLUME/MUTE
1: BASS/TREBLE
If CS PIN(15 PIN) is
"L" 0,
and if "H" 1.
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M62421SP/FP
SOUND CONTROLLER
( 3 ) -1: volume control
VOLUME CODE
ATT
D2
D3
D4
D5
D6
ATT
D7
D8
0dB
-4dB
-8dB
-12dB
-16dB
-20dB
-24dB
-28dB
-32dB
-36dB
-40dB
-44dB
-48dB
-52dB
-56dB
-60dB
-64dB
-68dB
-72dB
-76dB
-80dB
-∞dB
H
L
L
L
L
L
H
H
H
L
H
H
H
L
L
L
L
H
H
H
0dB
-1dB
-2dB
-3dB
H
L
H
L
H
H
L
L
L
H
L
H
L
L
H
H
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
H
H
H
H
H
H
H
L
L
L
H
H
L
L
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
L
L
L
L
L
L
L
L
H
L
H
L
H
L
H
L
H
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
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M62421SP/FP
SOUND CONTROLLER
( 4 ) -2 : tone level control
TONE CODE
BASS
12dB
10dB
8dB
6dB
4dB
2dB
0dB
-2dB
-4dB
-6dB
-8dB
-10dB
-12dB
TREBLE
D7
D6
D5
D4
D3
D2
D1
D0
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
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
L
L
L
L
L
L
L
H
L
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
H
H
H
H
L
L
L
H
H
L
L
H
NOT USED HHHH
LHHH
HLLL
(3) -3 : MUTE CONTROL
On condition D9=1,MUTE can be set up.
In MUTE,VOLUME LEVEL is set up VOL=-∞
automatically.
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M62421SP/FP
SOUND CONTROLLER
DATA and CLOCK
CLK
D0
D1
D2
D3
D10
D11
D12
DAT
DATA is read by CLK rise edge.
Latch signal "H"
Latch signal is read by CLK fall edge.
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M62421SP/FP
SOUND CONTROLLER
BUS LINE TIMING SPECIFICATION
tcr
75%
25%
tr
tf
tWHC
tWLC
tSD
Parameter
tHD
Symbol
MIN
tcr
CLK clock frequency
MAX
Units
4
-
µs
The HIGH period of the clock
tWHC
1.6
-
µs
The LOW period of the clock
tWLC
1.6
-
µs
Rise time of CLK line
tr
-
0.4
µs
Fall time of CLK line
tf
-
0.4
µs
Set -up time DATA
tSD
0.8
-
µs
Hold time DATA
tHD
0.8
-
µs
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M62421SP/FP
SOUND CONTROLLER
LEVEL DIAGRAM
INPUT TERMINAL
CH1 IN
G1
6.4KΩ
VOLAMP1
ref
6.4KΩ
-12dB ~ +12dB
G2
TONEAMP1
G1
OUTPUT
TERMINAL
CH1 OUT
0dB ~ -∞dB
117K
ref
1.8K
INPUT TERMINAL
CH2 IN
Same to CH 1
OUTPUT
TERMINAL
CH2 OUT
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M62421SP/FP
SOUND CONTROLLER
LOGIC CIRCUIT
Analog Block
ref
VOLAMP1
TONE
AMP1
Level Shifter
Level Shifter
Decoder,latch
for volume control
CS
<D3>
<D2>
<D5>
<D4>
<D0>
<D1>
<D2>
<D3>
<D4>
<D5>
<D6>
<D7>
<D8>
<D9>
<D10>
<D11>
Timing
Generator
<D12>
DAT
CLK
<D7>
<D6>
<D8>
<D0>
<D1>
<D6>
<D5>
<D4>
<D3>
<D2>
<D7>
Decoder,latch
for tone control
Shift Register
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M62421SP/FP
SOUND CONTROLLER
OUT2
APPLICATION EXAMPLE
DVDD
ref
2.2µF
0.033µF
2.2µF
AGND
0.47µF
0.022µF
IN2
DVDD or GND
VCC
20 19
18 17
420Ω
16 15
1.8K
14
13 12 11
1.8K
VR3
VR5 420Ω
SIMAMP2
117K
ref
S2 S4 S6 S8
200K
200K
TONE
AMP2
6.4K
VR2
6.4K
ref
ref
VOLAMP2
CONTROL
LOGIC
VOLAMP1
6.4K
VR1
6.4K
TONE
AMP1
ref
ref
S1 S3S5 S7
200K
200K
117KSIMAMP1
VR5
VR3
Reference circuit
example
1.8K
420Ω
1
2
3
4
420Ω
1.8K
5
6
7
8
9
10
470µF
4.7K
4.7K
0.022µF
Reference
voltage
2.2µF
0.47µF
DGND
2.2µF
0.033µF
ref
MPU
IN1
OUT1
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