Page 1
PRELIMINARY
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
SRS 3D Stereo + SRS 3D Mono 1Chip
OUTLINE
MITSUBISHI SOUND PROCESSOR
M62459P/FP
SOUND CONTROLLER FOR TV
M62459 has SRS 3D STEREO and SRS 3D
MONO.
There are three modes, those are SRS 3D stereo
SRS 3D mono and bypass.
Each mode can be set by terminals.
FEATURE
Each mode can be set by terminals.
2- input selectors for TV and AUX.
APPLICATION
TV , Mini-Stereo , etc
RECOMMENDED OPERATING CONDITION
Supply voltage range 6 ~ 9.5V
Rated supply voltage 9V
PACKAGE OUTLINE
24P4D(P)
24P2W(FP)
SYSTEM BLOCK DIAGRAM
SRS3D Stereo
&
Pseudo Stereo
Mono
out
TV
AUX
M62459P/FP
SRS Mono
Bypass
SRS Stereo
SRS Mono
Bypass
SRS Stereo
INPUT
SELECTOR
2ch/1ch
SRS
STEREO
ON/OFF
MITSUBISHI
ELECTRIC
SRS
MONO
ON/OFF
M62420SP
Volume
Bass
Bass
Tone
Treble
Treble
I2C BUS
1
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Page 2
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
Block Diagram
SRS STEREO
GND
PS
14 13
M62459P/FP
SOUND CONTROLLER FOR TV
Input SelectorSRS MONO
Vcc
LOUT
10 11 12
SRS NL
LPF
HPF
BPF
L+R
REF IN
REF OUT
LIN-2
RIN-2
24 23 22 21 20 19 18 17 16 15
+
REF OUT
MONO
REF
STEREO
SRS C
SRS B
7 8 9
6
SRS NR
ROUT
5
SRS A
SRS PR
3 4
LIN-1
RIN-1
1 2
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ELECTRIC
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Page 3
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 950(P)/860(FP)
K Thermal Derating
Topr Operating Temperature
Storage Temperature -40 ~ 125Tstg
M62459P/FP
SOUND CONTROLLER FOR TV
mWTa≤25
9.5(P)/8.6(FP)
-20 ~ 75
mW/°CTa>25
°C
°C
Thermal Derating
1000
950
860
800
600
400
200
P
FP
Power Dissipation Pd [ mW ]
25 50 75 100
AMBIENT TEMPERATURE Ta [ C ]
125 150
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ELECTRIC
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Page 4
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
High Level
Input Voltage
Low Level
Input Voltage
Pin-12,13,14
Pin-12,13,14
M62459P/FP
SOUND CONTROLLER FOR TV
Min.
4.5 9.0 12.0
2.1
0
Typ. Max.
Vcc
0.8
V
V
Symbol Parameter Conditions Unit
Icc Circuit Current mA
Min.
Typ. Max.
16 35
(2) -1 Input / Output Characteristics (Vcc=9V, Ta=25°C, Vi=500mVrms)
Symbol
Gv1
Gv2
Gv3
Gv4
Gv5
VOM
THD
Parameter
Input - Output
Voltage Gain1
Input - Output
Voltage Gain2
Input - Output
Voltage Gain3
Input - Output
Voltage Gain4
Input - Output
Voltage Gain5
Maximum
Output Voltage
Total Harmonic
Distortion
Conditions
Input Output
pin1,2 pin5,10
f=1kHz RL=10KΩ
pin1,2 pin5,10
f=1kHz RL=10KΩ
pin1,2 pin5,10
f=100Hz
pin1,2 pin10
f=100Hz
pin1,2
f=10KHz
pin1,2
f=1kHz
pin1,2 pin5,10
f=1kHz
Vi=-10dBv
RL=10KΩ +10+7
RL=10KΩ
pin10
RL=10KΩ
pin5,10
THD=1%
IHF-A filter
RL=10KΩ
DIN-A filter
RL=10KΩ
Conditions
Bypass(pin13,14=0V)
1ch select(pin12=0V)
SRS Stereo(pin14=5V)
1ch select(pin12=0V)
SRS Stereo(pin14=5V)
1ch select(pin12=0V)
SRS Mono(pin13=5V)
1ch select(pin12=0V)
SRS Mono(pin13=5V)
1ch select(pin12=0V)
Bypass(pin13,14=0V)
1ch select(pin12=0V)
Bypass(pin13,14=0V)
1ch select(pin12=0V)
Min.
Limit
Typ. Max.
0-3
+3
Unit
dB
+2.5-0.5 +5.5 dB
+13
+7.5
+10.5+4.5
+6 dB
+9.5+2.5
2.21.8
0.01 0.05
dB
dB
Vrms
%
MITSUBISHI
ELECTRIC
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Page 5
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
Symbol
VNO1
VNO2 IHF-A filter
VNO3
Parameter
Output Noise
Voltage1
Output Noise
Voltage2
Output Noise
Voltage2
Switch Condition and the Mode
Conditions
Input Output
IHF-A filter 3 10
IHF-A filter
M62459P/FP
SOUND CONTROLLER FOR TV
Conditions
Bypass(pin13,14=0V)
SRS Stereo(pin14=5V)
SRS Mono(pin13=5V)
Limit
Min. Typ. Max.
30
30
100
100
Unit
µVrms
µVrms
µVrms
12
Input Selector
2 ch
1 ch
14
SRS STEREO
SRS STEREO ON
SRS STEREO OFF
Input Selector
Switch
H
L
FOCUS H/L
Switch
H
L
13 SRS MONO
SRS MONO ON
SRS MONO OFF
SRS MONO
Switch
H
L
*Bypass mode can be set by both SRS STEREO switch and
SRS MONO switch are set to "L".
MITSUBISHI
ELECTRIC
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Page 6
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
SRS Stereo/Mono/Bypass Version
Rin2
2.2µ
24 23 22 21 20 19 18 17 16 15
Lin2
2.2µ
REF OUT
10µ
+
-
Cref
R7
2K
C1
0.1µ
C4
R9
4K
0.0047µ
0.01µ
C2
C3
0.22µ
M62459P/FP
SOUND CONTROLLER FOR TV
SRS
MONO
ON/OFF
C5
SRS
STEREO
ON/OFF
0.1µ
14 13
1 2
2.2µ
Rin1
Lin1
2.2µ
3 4
C6
0.018µ
REF
STEREO
5
C10
470p
2.2µ
Rout
6
MONO
7 8 9
C7
0.01µ
C8
0.82µ
10 11 12
C9
470p
2.2µ
Lout
VCC
1ch/2ch
SELECTOR
INPUT
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ELECTRIC
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Page 7
MITSUBISHI SOUND PROCESSOR
PRELIMINARY
Notice ; This is not a final specification.
some parametric limits are subject to change.
NOTE
Each switches (SRS ON/OFF, SRS MONO ON/OFF Switches)
does not have the countermeasure for click noise, so that we
recommend outside mute circuit.
M62459P/FP
SOUND CONTROLLER FOR TV
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.
MITSUBISHI
ELECTRIC
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