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M62446FP
6CH ELECTRIC VOLUME WITH TONE CONTROL
DESCRIPTION The M62446FP 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) Tone control •Bass / Treble , 0dB ~ ±10dB(2dB / step) 4 Output ports Built-in microcomputer interface circuit controlled by 16-bit serial data.
PACKAGE
Outline 42P2R
APPLICATION
DVD,Home Audio equipment,TV
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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)
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SYSTEM BLOCK DIAGRAM
C in SW in SL in SR in BYPASS1 BYPASS2 L in R in µ-com interface tone volume Lout Rout volume Cout SWout SLout SRout
LATCH
DATA
CLK MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M62446FP
6CH ELECTRIC VOLUME WITH TONE CONTROL
PIN CONFIGURATION AND IC INTERNAL BLOCK DIAGRAM
OUT4 1 OUT3 2 OUT2 3 OUT1 4 AVDD SWin GNDS SRin SLin 5 6 7 8 9
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volume volume
42 DVDD OUTPUT PORT MCU
volume
41 CLK 40 DATA 39 LATCH 38 DGND 37 AGND 36 SW out 35 SRout 34 SLout 33 Cout
I/F
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GNDC 10 Cin 11 GNDR 12 Rin 13 GNDL 14 Lin 15 BYPASSR 16 BYPASSL 17 LTRE 18 LBASS3 19 LBASS2 20 LBASS1 21
tone tone volume volume volume
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32 Rout 31 Lout 30 AVSS 29 CL1 28 CL2 27 CR1 26 CR2 25 RTRE 24 RBASS3 23 RBASS2 22 RBASS1
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MITSUBISHI SOUND PROCESSORS
M62446FP
6CH ELECTRIC VOLUME WITH TONE CONTROL
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 1000 10 -20~+75 -40~+125
Unit V mW mW/°C °C °C
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THERMAL DERATING (MAXIMUM RATING)
1.5
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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a subj I M not a fin L are E s t s i i P R his c lim ; T metri ice Not e para som
Y ification.change. R A I N l spec ect to
MITSUBISHI SOUND PROCESSORS
M62446FP
6CH ELECTRIC VOLUME WITH TONE CONTROL
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
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5.0
5.5
V V
VIH VIL
DVDD
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DGND
DVDD/2-1
V
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(note)AVSS≤DGND