P R E L I M I N A R Y
NJM2193
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FOCUS & SRS AUDIO PROCESSOR
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GENERAL DESCRIPTION
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PACKAGE OUTLINE
The NJM2193 is a FOCUS & SRS audio processor, based
on SRS FOCUS and 3D Stereo technology. It is capable of
raising sound and regenerating 3D sound field.
The NJM2193 is suitable for car audio, projection TV,
home stereo applications, and others.
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FEATURES
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Operating Voltage
4.7 to 13V
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Low Operating Current
6mA typ.
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Low Output Noise
25Vrms typ. at FOCUS&3D Sound mode
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Adjusted by Width,FOCUS,LF Elevation
and Bass Compensation Volume
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Independent Audio Input for Bypass MODE
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Bipolar Technology
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Package Outline
SDIP30, SDMP30
The SRS, FOCUS technology rights incorporated in the NJM2193 are owned by SRS Labs, a U.S. Corporation and licensed to New
Japan Radio Co., Ltd. SRS, FOCUS are protected under U.S. and foreign patents issued and/or pending. SRS, FOCUS and the
,are trademarks of SRS Labs, Inc. in the United States and selected foreign countries. Neither the purchase of the NJM2193,
nor the corresponding sale of audio enhancement equipment conveys the right to sell commercialized recordings made with any
SRS technology.
SRS Labs requires that all users of the NJM2193 must enter into a license agreement directly with SRS Labs if the royalty is not
included in the purchase price. SRS Labs also requires any users to comply with all rules and regulations as outlined in the SRS
Trademark Usage Manual.
For further information, please contact:
SRS Labs, Inc.
2909 Daimler Street. Santa Ana, CA 92705 USA
Tel:949-442-1070 Fax:949-852-1099 http://www.srslabs.com
NJM2193L
NJM2193M
NJM2193
- 2 -
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ABSOLUTE MAXIMUM RATING (Ta=25C)
PARAMETER
SYMBOL
RATING
UNIT
Supply Voltage
V
+
15
V
Power Dissipation
P
D
(SDIP30)700
(SDMP30)700
mW
Operating Temperature Range
T
opr
-40 to +85
C
Storage Temperature Range
T
stg
-50 to +150
C
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ELECTRICAL CHARACTERISTICS(V
+
=8V,Ta=25C,V
IN
=-20dBV(0.1Vrms))
TEST CONDITION
IN
PARAMETER
SYMBOL
L
R
OUT
MODE
MIN.
TYP.
MAX.
UNIT
Operating
Voltage
V
+
4.7
8.0
V
Supply
Current
I
CC
No Signal
-
6.0
12.0
mA
Reference
Voltage
V
REF
V
+
/2
3.8
4.0
4.2
V
F=1kHz
THD=3%
V
IN
0
0
V
IN
L
R
BYPASS
-
7.5
(2.4)
-
f=150Hz
THD=3%
V
IN
-V
IN
-V
IN
V
IN
L
R
3D Sound
-9.0
(0.35)
-
f=1kHz
THD=3%
V
IN
-V
IN
-V
IN
V
IN
L
R
3D Sound
-3.0
(0.71)
-
f=15kHz
THD=3%
V
IN
0
0
V
IN
L
R
FOCUS
-6.5
(0.47)
-
f=1kHz
THD=3%
V
IN
0
0
V
IN
L
R
FOCUS
-5.0
(0.56)
-
f=15kHz
THD=3%
V
IN
0
0
V
IN
L
R
3D Sound
+FOCUS
-17.5
(0.13)
-15.5
(0.17)
-
f=1kHz
THD=3%
V
IN
0
0
V
IN
L
R
3D Sound
+FOCUS
-14.5
(0.19)
-12.5
(0.24)
-
f=15kHz
THD=3%
V
IN
-V
IN
-V
IN
V
IN
L
R
3D Sound
+FOCUS
-19.5
(0.11)
-
Maximum
Input Voltage
V
INMAX
f=1kHz
THD=3%
V
IN
-V
IN
-V
IN
V
IN
L
R
3D Sound
+FOCUS
-16.0
(0.16)
-
dBV
(Vrms)
Rg=0
A-Weighted
0
0
L
R
BYPASS
-
-113
(2.2)
-94
(20.0)
Rg=0
A-Weighted
0
0
L
R
3D Sound
-
-108
(4.0)
-
Rg=0
f=20~20kHz
0
0
L
R
3D Sound
-
-104
(6.0)
-
Rg=0
A-Weighted
0
0
L
R
FOCUS
-
-94
(20.0)
-
Rg=0
f=20~20kHz
0
0
L
R
FOCUS
-
-92
(25.0)
-
Rg=0
A-Weighted
0
0
L
R
3D Sound
+FOCUS
-
-92
(25.0)
-86
(50.0)
Output
Noise
V
NOISE
Rg=0
f=20~20kHz
0
0
L
R
3D Sound
+FOCUS
-
-90
(35.0)
-
dBV
(Vrms)
NJM2193
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ELECTRICAL CHARACTERISTICS
CONDITION
IN
PARAMETER
SYMBOL
L
R
OUT
MODE
MIN.
TYP.
MAX
UNIT
V
IN
0
0
V
IN
L
R
BYPASS
-
0.005
0.02
V
IN
0
0
V
IN
L
R
3D Sound
-
0.005
-
V
IN
0
0
V
IN
L
R
FOCUS
-
0.04
-
Total
Harmonic
D i s t o r t i o n
THD
f=1kHz
V
IN
0
0
V
IN
L
R
3D Sound
+FOCUS
-
0.1
0.5
%
BYPASS
Gain
G
VBYP
f=1kHz
V
IN
0
0
V
IN
L
R
BYPASS
-1.0
0.0
1.0
dB
3D Sound(L-R)
Gain
G
VS1
f=150Hz
V
IN
-V
IN
-V
IN
V
IN
L
R
3D Sound
15.0
17.0
19.0
dB
3D Sound(L+R)
Gain
G
VS2
f=150Hz
V
IN
V
IN
V
IN
V
IN
L
R
3D Sound
-2.0
0.0
2.0
dB
FOCUS Gain1
G
VF1
f=70Hz
V
IN
0
0
V
IN
L
R
FOCUS
8.5
10.5
12.5
dB
FOCUS Gain2
G
VF2
f=15kHz
V
IN
0
0
V
IN
L
R
FOCUS
12.0
14.0
16.0
dB
PROCESS
Gain
G
VP
f=15kHz
V
IN
-V
IN
-V
IN
V
IN
L
R
3D Sound
+FOCUS
-
27.0
-
dB
V
IH
High Level
-
-
-
-
2.0
-
V
+
MODE Select
Control
Voltage
V
IL
Low Level
-
-
-
-
0.0
-
0.7
V
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MODE SWICH
MODE1
MODE2
BYPASS
L
L
3D Sound
H
L
FOCUS
L
H
3D Sound+ FOCUS
H
H
NJM2193
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TYPICAL CHARACTERISTICS
NJM2193 Gain Structure
BYPASS Mode
Conditions:Vin=-20dBV(100mVrms) , V+=8V
-5
-4
-3
-2
-1
0
1
2
3
4
5
10
100
1000
10000
100000
Frequency(Hz)
Gain(dB)
a: Lin
Lout b: Rin
Rout
a
b
NJM2193 Gain Structure
3D Stereo Mode
Conditions:Vin=-20dBV(100mVrms) , V+=8V
WIDTH VR:MAX
-5
0
5
10
15
20
10
100
1000
10000
100000
Frequency(Hz)
Gain(dB)
a: Lin
Lout b: L-Rin
Lout c: L+Rin
Lout
a
b
c
NJM2193
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TYPICAL CHARACTERISTICS
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
NJM2193 Gain Structure
FOCUS Mode
Conditions:Vin=-20dBV(100mVrms)Lch,Vout=Lch,V+=8V
-5
0
5
10
15
20
10
100
1000
10000
100000
Frequency(Hz)
Gain(dB)
a: LF VR MAX, BC VR MAX b: LF VR MAX, BC VR MIN
c: LF VR MIN, BC VR MAX d: LF VR MIN, BC VR MIN
a
b
c
d
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