Mitsubishi M62438FP Srs 3d sound processor Datasheet

MITSUBISHI SOUND PROCESSOR
M62438FP
SRS 3D SOUND PROCESSOR
Simplified SRS 3D Sound Processor
OUTLINE
M62438FP is an SRS 3D sound processor
for PC, TV and audio equipment.
This IC has only simplified SRS circuit and
packed in a small 10-pin SOP.
PACKAGE OUTLINE
FEATURES
10Pin SOP
• SRS 3D sound circuit
• SRS on/off function switch included
Note !!
APPLICATION
• PC, TV, Mini Stereo, etc
RECOMMENDED OPERATING CONDITION
• Supply voltage range
• Rated supply voltage
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.
4.5 to 12.0V
9V
SYSTEM BLOCK DIAGRAM
L
SRS 3D Sound
R
on/off
1
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MITSUBISHI SOUND PROCESSOR
M62438FP
SRS 3D SOUND PROCESSOR
5
4
FILTER
3
DIFF
2
SRS 3D SOUND
MITSUBISHI
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OUT R
IN R
1
9
REF IN
REF
IN L
10
OUT L
7
CNTL
8
GND
6
BLOCK DIAGRAM
Vcc
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MITSUBISHI SOUND PROCESSOR
M62438FP
SRS 3D SOUND PROCESSOR
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Conditions
Vcc
Supply Voltage
Pd
Power Dissipation
K
Thermal Derating
Topr
Tstg
Ratings
Unit
13.0
V
Ta<25
400
mW
Ta>25
4
mW/°C
Operating Temperature
-20 to 75
°C
Storage Temperature
-40 to 125
°C
Thermal Derating
Power Dissipation Pd [ mW ]
500
400
300
200
100
25
50
75
100
125
150
AMBIENT TEMPERATURE Ta [ °C ]
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MITSUBISHI SOUND PROCESSOR
M62438FP
SRS 3D SOUND PROCESSOR
RECOMMENDED OPERATING CONDITION
Symbol
Parameter
Conditions
Min.
Typ. Max.
4.5
9.0
Unit
12.0
V
2.1
VDD
V
Pin-7
(SRS off)
0
0.8
V
Conditions
Min.
Vcc
Supply Voltage
VIH
High Level
Input Voltage
Pin-7
(SRS on)
VIL
Low Level
Input Voltage
ELECTRICAL CHARACTERISTICS
(1) Power Supply Characteristics
Symbol
Icc
Parameter
Circuit Current
Typ. Max.
Unit
15
mA
30
(2) -1 Input / Output Characteristics (Vcc=9V, Ta=25°C, Vi=500mVrms)
Conditions
Input
Output
Conditions
Limit
Symbol
Parameter
Gv1
Input - Output
Voltage Gain1
f=1kHz
RL=10KΩ
SRS off
Gv2
Input - Output
Voltage Gain2
f=1kHz
RL=10KΩ
SRS on
+3.5 +6.5
Gv3
Input - Output
Voltage Gain3
f=100Hz RL=10KΩ
SRS on
+9.5 +12.5 +15.5
dB
Gv4
Input - Output
Voltage Gain4
f=10KHz RL=10KΩ
SRS on
+7
+10
dB
VOM
Maximum
f=1kHz
Output Voltage
SRS on/off
1.8
2.2
THD
Total
Harmonic
Distortion
VNO1
VNO2
THD=1%
IHF-A filter
RL=10KΩ
Min.
-3
Unit
Typ.
Max.
0
+3
dB
+9.5
dB
+13
Vrms
f=1kHz
DIN-A filter
Vi=-10dBv RL=10KΩ
SRS off
0.01
0.05
%
Output Noise
Voltage1
IHF-A filter
SRS off
5
10
µVrms
Output Noise
Voltage2
IHF-A filter
SRS on
50
100 µVrms
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MITSUBISHI SOUND PROCESSOR
M62438FP
SRS 3D SOUND PROCESSOR
APPLICATION EXAMPLE
OUT L
IN L
SRS on/off
22µF
2.2µ
2.2µ
GND
10
9
8
7
6
REF
SRS 3D SOUND
2
3
4
5
1K
2.2µ
2.2µ
1
0.47µ
VCC
100K
31.6K
1.5K
IN R
47K
0.47µ
OUT R
4.7K
0.0047µ
3.6K
Unit R:Ω
C: F
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M62438FP
SRS 3D SOUND PROCESSOR
Keep safety first in your circuit designs !
• Mitsubishi Electric Corporation puts the maximum effort into making
semiconductor products better and more reliable, but there is always the
possibility that trouble may occur with them.Trouble with semiconductors
may lead to personal injury, fire or property damage. Remember to give due
consideration to safety when making your circuit designs, in order to
prevent fires from spreading, redundancy, malfunction or other mishap.
Notes regarding these materials
• These materials are intended as a reference to assist our customers in the
selection of the Mitsubishi semiconductor product best suited to the
customer's application; they do not convey any license under any
intellectual property rights, or any other rights, belonging to Mitsubishi
Electric Corporation or a third party.
• 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.
• If these products or technologies are subject to the Japanese export
control restrictions, they must be exported under a license from the
Japanese government and cannot be imported into a country other than
the approved destination.
Any diversion or reexport contrary to the export control laws and
regulations of Japan and/or the country of destination is prohibited.
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MITSUBISHI SOUND PROCESSOR
M62438FP
SRS 3D SOUND PROCESSOR
M62438FP
Space Volume as a Function of Add External R.
100
SRS effect : Space Volume setting [%]
90
80
70
Space vol setting
60
50
40
30
20
10
0
0
20
40
60
80
100
Add External R Value
(Between Pin 4 and 31.6 kΩ) [kΩ]
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MITSUBISHI SOUND PROCESSOR
M62438FP
SRS 3D SOUND PROCESSOR
M62438FP
Voltage Gain—Frequency
Ta=25°C,Vcc=9V,RL=10KΩ,SRS–OFF
40
30
20
10
0
Voltage Gain [dB]
-10
-20
-30
-40
Lin—>Lout
Lin—>Rout
-50
-60
-70
-80
-90
-100
-110
-120
0.01
0.1
1
10
100
Frequency [KHz]
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MITSUBISHI SOUND PROCESSOR
M62438FP
SRS 3D SOUND PROCESSOR
M62438FP
Vo – Vi
Ta=25°C,BW=400 to 30KHz,RL=10KΩ
Output Voltage : Vo [Vrms]
10
1
Vcc=12V
Vcc=9V
Vcc=8V
Vcc=5V
0.1
0.01
0.01
0.1
1
10
Input Voltage : Vi [Vrms]
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MITSUBISHI SOUND PROCESSOR
M62438FP
SRS 3D SOUND PROCESSOR
M62438FP
Vomax–RL
Ta=25°C,THD=1%(BW=400 to 30KHz)
Maximum Output Voltage : Vomax [Vrms]
10
1
Vcc=12V
Vcc=9V
Vcc=8V
Vcc=5V
0.1
0.01
0.1
1
10
100
Load Resistance : RL [KΩ]
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MITSUBISHI SOUND PROCESSOR
M62438FP
SRS 3D SOUND PROCESSOR
M62438FP
THD—Vo
Ta=25°C,Vcc=9V,BW=400 to 30KHz,RL=10KΩ,SRS–OFF
Total Harmonic Distortion : THD [%]
10
1
0.1
0.01
0.001
0.01
0.1
1
10
Output Voltage [Vrms]
M62438FP
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MITSUBISHI SOUND PROCESSOR
M62438FP
SRS 3D SOUND PROCESSOR
M62438FP
No – Vcc
Ta=25°C,Vcc=9V,Vi=0mVrms(Rg=0Ω),JIS-A filter
70
Output Noise Voltage : No [uVrms]
60
50
40
30
20
SRS-OFF
SRS-ON
10
0
4
5
6
7
8
9
10
11
12
13
Supply Voltage : Vcc [V]
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