MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
Simplified SRS 3D Sound Processor
OUTLINE
M62455FP is an SRS 3D sound processor
for PC, TV and audio equipment.
This IC has only simplified SRS circuit and
packed in a small 14-pin DIP and SOP.
FEATURES
SRS 3D sound circuit
SRS on/off function switch included
Noise level=25µVrms(When SRS on)
APPLICATION
PC, TV, Mini Stereo, etc
RECOMMENDED OPERATING CONDITION
Supply voltage range 4.5 ~ 12.0V
Rated supply voltage 9V
M62455P/FP
SRS 3D SOUND PROCESSOR
PACKAGE OUTLINE
14Pin DIP
Size:19 mmX6.3mmX2.54mm
14Pin SOP
Size:10.1 mmX5.3mmX1.8mm
SRS,the SRS logo,Sound Retrieval System and
"everything else is only stereo" are registered trademarks
of SRS Labs, Inc.
This device available only to licensees of SRS
Lab,Inc. Licensing and application information
may be obtained from SRS Lab, Inc.
Mitsubishi Electric Corporation assumes no responsibility
for any damage,or infringement of any third-party's rights,
originating in the use of any product data, diagrams, charts
or circuit application examples contained in these
materials.
Note !!
SYSTEM BLOCK DIAGRAM
L
SRS 3D Sound
R
SRS on/off
MITSUBISHI
ELECTRIC
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1
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
BLOCK DIAGRAM
RP
Lout
8
910
REF
M62455P/FP
SRS 3D SOUND PROCESSOR
7
LP
6
REF IN
LN
Rout
F2
RN
F3
11
12
13
14
SRS 3D SOUND
5
GND
4
Lin
3
Rin
2
Vcc
SRS
1
ON/OFF
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ELECTRIC
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MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Conditions Ratings Unit
Vcc Supply Voltage 13.0 V
Pd Power Dissipation
K Thermal Derating
Topr Operating Temperature
Ta>25
M62455P/FP
SRS 3D SOUND PROCESSOR
500
5
-20 ~ 75
mWTa<25
mW/ C
C
Storage Temperature -40 ~ 125Tstg
Thermal Derating
500
400
300
200
100
Power Dissipation Pd [ mW ]
C
25 50 75 100
125 150
AMBIENT TEMPERATURE Ta [ C ]
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ELECTRIC
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MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
RECOMMENDED OPERATING CONDITION
Symbol Parameter Conditions Unit
Vcc Supply Voltage V
VIH
VIL
ELECTRICAL CHARACTERISTICS
(1) Power Supply Characteristics
Symbol Parameter Conditions Unit
High Level
Input Voltage
Low Level
Input Voltage
Pin-1
(SRS on)
Pin-1
(SRS off)
Min.
M62455P/FP
SRS 3D SOUND PROCESSOR
Min.
4.5
2.1
Typ. Max.
9.0 12.0
0
Typ. Max.
VDD
0.8
V
V
Icc Circuit Current mA
(2) -1 Input / Output Characteristics (Vcc=9V, Ta=25°C, Vi=500mVrms)
Symbol
Gv1
Gv2
Gv3
Gv4
VOM
THD
Parameter
Input - Output
Voltage Gain1
Input - Output
Voltage Gain2
Input - Output
Voltage Gain3
Input - Output
Voltage Gain4
Maximum
Output Voltage
Total
Harmonic
Distortion
Conditions
Input Output
f=1kHz RL=10KΩ
f=1kHz
f=100Hz
f=10KHz RL=10KΩ
f=1kHz
f=1kHz
Vi=-10dBv
RL=10KΩ SRS on
RL=10KΩ SRS on
THD=1%
IHF-A filter
RL=10KΩ
DIN-A filter
RL=10KΩ
Conditions
SRS off
SRS on
SRS on/off
SRS off
10 20
Min.
4.0
8.0
7.0
Limit
Typ. Max.
0-3
7.0
11.0
10.0
2.21.8
+3 dB
10.0 dB
14.0 dB
13.0 dB
Unit
Vrms
%0.01 0.05
VNO1
VNO1
Output Noise
Voltage1
Output Noise
Voltage2
IHF-A filter
IHF-A filter
MITSUBISHI
ELECTRIC
SRS off
SRS on
5 10
25 60
( / )
µVrms
µVrms
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