MITSUBISHI SOUND PROCESSORS
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
M62447SP
6CH ELECTRIC VOLUME
DESCRIPTION
The M62447SP is 6 channels electric volume controlled 3-wire serial data.
The IC is suitable for use in home-use audio systems and TV sets.
FEATURES
Electric volume
•Volume level•••••••• 0dB ~ -79dB,- ∞ dB (1dB / step)
4 Output ports
Built-in microcomputer interface circuit controlled by 16-bit serial
data.
APPLICATION
PACKAGE
Outline
42P4B
DVD,Home Audio equipment,TV
RECOMMENDED OPERATING CONDITIONS
Supply voltage range•••• ±4.5 ~ ±7.3V (analog)
4.5 ~ 5.5V (digital)
Rated supply voltage •••• ±7.0V (analog)
5.0V (digital)
SYSTEM BLOCK DIAGRAM
C in
SW in
SL in
SR in
L in
R in
volume
Cout
SWout
SLout
SRout
Lout
Rout
LATCH
µ -com
interface
DATA
CLK
MITSUBISHI
ELECTRIC
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MITSUBISHI SOUND PROCESSORS
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
PIN CONFIGURATION AND IC INTERNAL BLOCK DIAGRAM
1
OUT3
OUT2
OUT1
AVDD
SWin
GNDS
2
3
4
5
6
7
OUTPUT
PORT
volume
volume
M62447SP
6CH ELECTRIC VOLUME
DVDDOUT4
42
CLK
MCU
I/F
41
40
39
38
37
36
DATA
LATCH
DGND
AGND
SW out
SRin
SLin
GNDC
Cin
GNDR1
GNDR2
GNDL1
GNDL2
Rin
GNDLR
Lin
NC
8
9
10
11
12
13
14
15
16
17
18
19
volume
volume
volume
volume
35
34
33
32
31
30
29
28
27
26
25
24
SRout
SLout
Cout
Rout
Lout
AVSS1
AVSS2
NC
NC
NC
NC
NC
NC
NC
20
21
MITSUBISHI
ELECTRIC
NC
23
22
NC
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2
MITSUBISHI SOUND PROCESSORS
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
ABSOLUTE MAXIMUM RATINGS
Symbol
Vsupply
Pd
K
Topr
Tstg
Operating temperature
Parameter Conditions Ratings Unit
Supply Voltage
Power dissipation
Thermal derating
Storage temperature
AVDD-AVSS
Ta≤25°C
Ta>25°C,
*standard board
M62447SP
6CH ELECTRIC VOLUME
15.0
1260
12.6
-20 ~ +75
-40 ~ +125
V
mW
mW/°C
°C
°C
THERMAL DERATING
(MAXIMUM RATING)
1.5
1260
1.0
0.5
POWER DISSIPATION pd [W]
0
0
25 50 75 100
AMBIENT TEMPERATURE Ta [°C]
125
*Standard board
150
MITSUBISHI
ELECTRIC
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3
MITSUBISHI SOUND PROCESSORS
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
RECOMMENDED OPERATING CONDITION
Parameter Symbol Condition
Analog positive
Supply Voltage
Analog negative
Supply Voltage
Digital
Supply Voltage
AVDD
AVSS
DVDD
MIN TYP
4.5
-7.3
4.5
7.0
-7.0
5.0
M62447SP
6CH ELECTRIC VOLUME
MAX
7.3
-4.5
5.5
Unit
V
V
V
High-level Input
VIH
DVDD/2+1
Voltage
Low-level Input
Voltage
VIL
DGND
(note)AVSS≤DGND<DVDD≤AVDD
DATA TIMING (Recommended conditions)
H
DATA
CLOCK
LATCH
D0
L
H
L
H
D1
DVDD
DVDD/2-1
DFDE
V
V
D0
L
note : CLOCK and LATCH function at raising edges of pulse .
MITSUBISHI
ELECTRIC
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