Page 1
SRS 3D SURROUND AUDIO PROCESSOR
■■■■
GENERAL DESCRIPTION
The
NJM2199
regenerating the 3D surround sound with two speakers.
It regenerates 3D surround sound from stereo input
only.
The features of wide operating voltage range, wide
dynamic range, low output noise are suitable for any
audio applications.
■■■■
FEATURES
● Operating Voltage (4.7 to 13V)
● Low Supply Current (5.7mA typ. at 3D Stereo mode)
● Low Output Noise (32µVrms typ. at 3D Stereo mode)
● BYPASS Gain (0dB typ.)
● BYPASS FUNCTION (Through)
● WIDTH control
● Internal Mode Control Switch (2bit)
● Bipolar Technology
● Package Outline DIP14, DMP14, SSOP14
is a SRS 3D surround audio processor
PRELIMINARY
■■■■
PACKAGE OUTLINE
NJM2199M
NJM2199
NJM2199D
NJM2199V
The SRS technology right incorporated in the NJM2199 are owned by SRS Labs, a U.S. Corporation and licensed to New Japan
Radio Co., Ltd. SRS is protected under U.S. and foreign patents issued and/or pending. SRS and the , are trademarks of SRS
Labs, Inc. in the United States and selected foreign countries. Neither the purchase of the NJM2199, 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 NJM2199 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 informati on, please contact:
SRS Labs, Inc.
2909 Daimler Street. Santa Ana, CA 92705 USA
Tel:714-442-1070 Fax:714-852-1099 http://www.srslabs.com
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Page 2
NJM2199
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AB SOLUTE MAXIMUM RATING
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
■■■■
ELECTRICAL CHARACTERISTICS
PARAMETER SYMBOL
Operating
Voltage
Operating
Current
Reference
Voltage
Maximum
Input Voltage
Channel
Valance
V+ - - - - - 4.7 12.0 13.0 V
V
V
CH
I
cc
REF
INMAX
No Signal
V+/2 - - - - - 5.8 6.0 6.2 V
f=1kHz
T.H.D.=3%
f=125Hz
T.H.D.=3%
f=125Hz
T.H.D.=3%
f=125Hz
T.H.D.=3%-V
f=125Hz
T.H.D.=3%
f=125Hz
T.H.D.=3%
f=1kHz
BAL
L-R Output-V
(Ta=25°C)
SYMBOL
V+
(DIP14) 500
P
D
T
opr
T
stg
(DMP14) 350
(SSOP14) 300
(V+=12V,Ta=25°C, V
TEST CONDITION
INPUT
LR
- - - BYPASS - 2.9 5.7 8.6
-- -
V
--V
V
--V
V
--V
V
-
V
V
V
V
VV-V
-V
V
-
RATINGS
15
-40 to +85
-40 to +125
=-10dBV(316mVrms) unless otherwise noted)
IN
OUTPUT MODE
3D
Stereo
L
R
L
R
L
R
L
R
L
R
L
R
L
R
BYPASS -
3D
Stereo
3D
Stereo
3D
Stereo
3D
Stereo
3D
Stereo
3D
Stereo
UNIT
V
mW
°C
°C
WIDTH
VOLUME
MAX 2.9 5.7 8.6
MAX
MIN -
MAX -
MAX -
MAX
MAX -1.0 0.0 1.0 dB
MIN. TYP. MAX. UNIT
10.0
(2.51)
-1.5
(0.84)
-7.50
(0.42)
12.0
(3.98)
0.50
(1.08)
11.5
(3.76)
0.45
(1.05)
11.9
(3.94)
-5.50
(0.53)
mA
-
-
dBV
(Vrms)
-
-
-
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Page 3
NJM2199
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ELECTRICAL CHARACTERISTICS
PARAMETER SYMBOL
Rg=0
Ω
Output Noise V
Total
Harmonic
Distortion
Bypass Gain G
SRS Gain G
Mode Select
Control
Voltage
NOISE
T.H.D
Bypass
SRS
V
MODE
A-Weighte
Rg=0
Ω
A-Weighte
f=1kHz
f=1kHz
f=1kHz
f=125Hz
f=125Hz
f=125Hz
VIN =
High Level
VIN =
Low Level
■■■■
MODE SWITCH
(V+=12V,Ta=25,°C unless otherwise noted)
TEST CONDITION
INPUT
LR
00
00
V
--V
V
--V
V
--V
V
--V
V
--V
-
V
-- - - - 2.0 - V+
- - - - - 0.0 - 0.7
OUTPUT MODE
L
R
L
R
L
R
L
R
L
R
L
R
L
R
V
-
L
R
BYPASS - -
3D
Stereo
BYPASS - - 0.005 0.01
3D
Stereo
BYPASS - -1.0 0.0 1.0 dB
3D
Stereo
3D
Stereo
3D
Stereo
WIDTH
VOLUME
MAX -
MAX - 0.1 1.0
MAX 9.4 11.4 13.4
MIN -1.5 0.5 2.5
MAX 6.8 8.8 10.8
MIN. TYP. MAX. UNIT
-110
(3.16)
-90
(31.6)
-95
(17.8)
-85
(56.2)
dB
µVrms
(
%
dB
V
)
MODE MODE
BYPASS L
3D Stereo H
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Page 4
NJM2199
■■■■
PIN CONFIGURATION
9
13 12
14
11 10
8
■■■■
BLOCK DIAGRAM
12
45
3
FIL1
FIL2
FIL3
1 4 5
32
1.FIL1
2.FIL2
3.FIL3
4.VOL2
5.VOL1
6.VrefIN
7.Vref
6
7
VOL2
VOL1
8.V+
9.GND
10.MODE
11.ROUT
12.LOUT
13.RIN
14.LIN
MODE
10
LIN
RIN
14
13
50k50k
VREF
VREF
V+
V+
6
VrefIN
GND
50k 50k
VREF
BYPASS
3D-STEREO
BYPASS
3D-STEREO
78 9
Vref
GND
GND
12
11
LOUT
ROUT
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Page 5
NJM2199
■■■■
TERMINAL DESCRIPTION
PIN No. SYMBOL FUNCTION EQUIVALENT CIRCUIT VOLTAGE
V+ V+
5050
1 FIL1 Filter Input V+/2
14.33k
V+
2 FIL2 Filte Input V+/2
1.5k
V+
3 FIL3 Filter Input V+/2
3.01k
V+
4 VOL2 WIDTH VR Input V+/2
150
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Page 6
NJM2199
■■■■
TERMINAL DESCRIPTION
PIN No. SYMBOL FUNCTION EQUIVALENT CIRCUIT VOLTAGE
V+ V+
5050
5 VOL1 WIDTH VR Output V+/2
150
V+
50k50k
6 VREFIN Reference Voltage Input V+/2
400
V+ V+
5050
7 VREF Reference Voltage V+/2
8 V+ Power Supply V+
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Page 7
NJM2199
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TERMINAL DESCRIPTION
PIN No. SYMBOL FUNCTION EQUIVALENT CIRCUIT VOLTAGE
9GND GND 0V
V+
10 MODE1 Mode Control 0V
150
150k
V+ V+
5050
11 ROUT Rch Output V+/2
V+ V+
5050
12 LOUT Lch Output V+/2
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Page 8
NJM2199
■■■■
TERMINAL DESCRIPTION
PIN No. SYMBOL FUNCTION EQUIVALENT CIRCUIT VOLTAGE
V+
13 RIN Rch Input V+/2
150
50k
VREF
V+
14 LIN Lch Input V+/2
150
50k
VREF
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Page 9
■■■■
APPLICATION CIRCUIT
Lch INPUT
Rch INPUT
R1
10K
Lch OUTPUT
Rch OUTPUT
GND
GND GND
NJM2199
3D Stereo
BYPASS
C1
10uF/35V
C11
LIN
FIL1
12
0.033uF
C2
0.01uF
C3
10uF/35V
C10
RIN
C9
10uF/35V
121314
LOUT
C8
11
10uF/35V
ROUT
C7
10
MODE
9
10uF/35V
GND
12V
V+
C6
8
V+
100uF/25V
NJM2199
FIL2
GNDGNDGND
FIL3
3
C12
0.47uF
GND GND
VOL2
456
0.33uF
WIDTH VR
VOL1
Min
10KB
Max
VrefIN
C4
GND
Vref
7
1uF/50V
C5
10uF/25V
Parts No. Value Tolerance Parts No. Value Tolerance
C1 0.033µF ±5% C5,C6 100µF ±20%
C2 0.01µF ±5% C7,C8,C9,C10,C11 10µF ±20%
C3 0.47µF ±5% C12 0.33µF ±5%
C4 1µF ±20% R1 10k ±5%
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Page 10
NJM2199
■■■■
TYPICAL CHARACTERISTICS
10
5
NJM2199 GAIN STRUCTURE
a:BYPASS Mode Vin=-10dBV Lch→ Vout=Lch
b:3D-Stereo Mode Vin=-10dBV Lch→ Vout=Lch
c:3D-Stereo Mode Vin=-10dBV Lch→ Vout=Rch
0
-5
Gain [dBV]
-10
-15
-20
10 100 1k 10k 100k
Frequency f [Hz]
b
c
a
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[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.
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