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MITSUBISHI SOUND PROCESSORS
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.
PACKAGE
APPLICATION
DVD,Home Audio equipment,TV
Outline 42P4B
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 µ -com interface
Cout SWout SLout SRout Lout Rout
volume
LATCH
DATA
CLK
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M62447SP
6CH ELECTRIC VOLUME
PIN CONFIGURATION AND IC INTERNAL BLOCK DIAGRAM
OUT4 OUT3 OUT2 OUT1 AVDD SWin GNDS SRin SLin GNDC Cin GNDR1 GNDR2 GNDL1 GNDL2 Rin GNDLR Lin NC NC NC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
volume volume volume volume volume
42 DVDD OUTPUT PORT MCU
volume
41 CLK 40 DATA 39 38 LATCH DGND
I/F
37 AGND 36 SW out 35 34 33 SRout SLout Cout
32 Rout 31 Lout 30 AVSS1
29 AVSS2 28 NC
27 NC 26 25 24 23 22 NC NC NC NC NC
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M62447SP
6CH ELECTRIC VOLUME
ABSOLUTE MAXIMUM RATINGS Symbol
Vsupply Pd K Topr Tstg
Parameter Supply Voltage Power dissipation Thermal derating Operating temperature Storage temperature
Conditions AVDD-AVSS Ta≤25°C Ta>25°C,
*standard board
Ratings 15.0 1260 12.6 -20 ~ +75 -40 ~ +125
Unit V mW mW/°C °C °C
THERMAL DERATING (MAXIMUM RATING)
1.5
1260
POWER DISSIPATION pd [W]
1.0
*Standard board
0.5
0 0 150 125 AMBIENT TEMPERATURE Ta [°C] 25 50 75 100
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MITSUBISHI SOUND PROCESSORS
M62447SP
6CH ELECTRIC VOLUME
RECOMMENDED OPERATING CONDITION
Parameter Analog positive Supply Voltage Analog negative Supply Voltage Digital Supply Voltage High-level Input Voltage Low-level Input Voltage
Symbol AVDD AVSS
Condition
MIN 4.5
TYP 7.0
MAX 7.3
Unit
V
-7.3
-7.0
-4.5
V
DVDD
4.5 DVDD/2+1
5.0
5.5
V V
VIH VIL
DVDD
DGND
DVDD/2-1
V
(note)AVSS≤DGND