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NJM2181 PDF даташит

Спецификация NJM2181 изготовлена ​​​​«New Japan Radio» и имеет функцию, называемую «Passive Matrix TruSurroundTM 3D AUDIO PROCESSOR».

Детали детали

Номер произв NJM2181
Описание Passive Matrix TruSurroundTM 3D AUDIO PROCESSOR
Производители New Japan Radio
логотип New Japan Radio логотип 

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NJM2181 Даташит, Описание, Даташиты
NJM2181
PRELIMINARY
Passive Matrix TruSurroundTM 3D AUDIO PROCESSOR
sGENERAL DESCRIPTION
The NJM2181 is a Passive Matrix TruSurroundTM 3D audio
processor. It regenerates the full surround soundfield directly
from any kinds of surround encoded stereo input (Lt/Rt)
signals.
After the internal passive matrix circuit decodes Lt/Rt signal
into 4 channel signals, the TruSurround virtualizer re-
encodes them into 2 channel surround signals. Accordingly
any pre-processors decoding into 4 channel signals are not
required.
The NJM2181 also includes SRS 3D Stereo and 3D Mono,
and regenerates a 3D sound field from either normal L/R
input or monoural input.
The NJM2181 is suitable for TV, mini component, CD radio
cassette, multimedia speaker system, and others.
sFEATURES
q Operating Voltage
q Maximum input Voltage
q Low Output Noise
q BYPASS Gain
q Passive Matrix TruSurround
q SRS 3D Stereo & 3D Mono
q BYPASS FUNCTION
q Bipolar Technology
q Package Outline
(4.7 to 13V)
(1.5Vrms typ. at TruSurround)
(32µVrms typ. at TruSurround)
(0dB typ.)
(Two-grade Switch for 3D Effect)
(Through)
SDIP24, DMP24
sPACKAGE OUTLINE
NJM2181L
NJM2181M
The SRS, TruSurround technology right incorporated in the NJM2181 are owned by SRS Labs, a U.S. Corporation and licensed to New
Japan Radio Co., Ltd. SRS, TruSurround is protected under U.S. and foreign patents issued and/or pending. SRS, TruSurround and
the ,are trademarks of SRS Labs, Inc. in the United States and selected foreign countries. Neither the purchase of the NJM2181, 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 NJM2181 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:714-442-1070 Fax:714-852-1099 http://www.srslabs.com
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NJM2181 Даташит, Описание, Даташиты
NJM2181
sABSOLUTE MAXIMUM RATING (Ta=25ºC)
PARAMETER
SYMBOL
Supply Voltage
V+
Power Dissipation
Operating Temperature Range
Storage Temperature Range
PD
Topr
Tstg
RATINGS
15
(SDIP24) 700
(DMP24) 700
-30 to +85
-40 to +125
UNIT
V
mW
ºC
ºC
sELECTRICAL CHARACTERISTICS (Ta=25ºC,V+=9V, VIN =-10dBV(316mVrms))
PARAMETER
Operating Voltage
Supply Current
Reference Voltage
Maximum
Input Voltage
Channel Balance
OutputNoise
Voltage
Total
Harmonic
Distortion
Bypass Gain
SYMBOL
V+
ICC
VREF
VIM
CHBAL
VNOISE
THD
GVBYP
TEST CONDITION
INPUT OUT
L R PUT
MODE
--
-
-
- - - BYPASS
No Signal
-
-
-
-
- TRU
- 3D Stereo1
- - - 3D Mono
V+/2
--
-
-
f=1kHz
THD=3%
VIN -
- VIN
L
R
BYPASS
f=125Hz
THD=3%
VIN
-
L
TRU
f=125Hz
THD=3%
VIN
-
f=125Hz
THD=3%
VIN
-
R 3D Stereo1
R 3D Stereo2
f=1kHz
THD=3%
VIN
-
L
3D Mono
f=1kHz
- VIN L
L-R OUT VIN -
3D Stereo1
R
Rg=0
A-Weighted
0
0
L
R
TRU
Rg=0
A-Weighted
0
0
L
R 3D Stereo1
Rg=0
A-Weighted
0
0
L
R
3D Mono
f=1kHz
VIN -
- VIN
L
R
TRU
f=1kHz
VIN -
L
3D Stereo1
- VIN R
f=1kHz
VIN -
- VIN
L
R
3D Mono
f=1kHz
VIN -
- VIN
L
R
BYPASS
MIN.
4.7
6.3
4.3
6.8
(2.2)
1.5
(1.2)
3.6
(1.5)
3.6
(1.5)
-7.6
(0.4)
-1.0
-
-
-
-1.0
TYP. MAX. UNIT
9.0 13.0
V
12.5 18.8 mA
4.5 4.7
V
8.8
(2.8)
-
3.5
(1.5)
-
5.6
(1.9)
-
dBV
(Vrms)
5.6
(1.9)
-3.0
(0.7)
-
0.0 1.0
dB
-90
(31.6)
-90
(31.6)
-90
(31.6)
-85
(56.2)
-85
(56.2)
-85
(56.2)
dBV
(µVrms)
0.10
0.10 %
0.10
0.0 1.0
dB
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NJM2181 Даташит, Описание, Даташиты
NJM2181
sELECTRICAL CHARACTERISTICS (Ta=25ºC,V+=9V, VIN =-10dBV(316mVrms))
PARAMETER
SRS Gain
Mode Select
Control Voltage
TEST CONDITION
SYMBOL
INPUT OUT
L R PUT
MODE
f=1kHz
VIN -
- VIN
L
R
TRU
f=1kHz
- VIN
VIN -
L
R
TRU
f=1kHz
VIN -
L
3D Stereo1
- VIN R
GSRS f=1kHz
- VIN L
3D Stereo1
VIN -
R
f=1kHz
VIN -
L
3D Stereo2
- VIN R
f=1kHz
- VIN L
3D Stereo2
VIN -
R
f=1kHz
VIN VIN
VIN VIN
L
R
3D Mono
VMODE
Vin=High Level
Vin=Low Level
MIN.
0.2
-13.5
-4.8
-15.0
-5.8
-21.0
1.3
-6.9
2.0
0.0
TYP.
2.2
-11.5
-2.8
-13.0
-3.8
-19.0
3.3
-4.9
-
-
MAX.
4.2
-9.5
-0.8
-11.0
-1.8
-17.0
5.3
-2.9
V+
0.7
UNIT
dB
V
sMODE SWITCH
MODE
BYPASS
TRU
3D Stereo1
3D Sterteo2
3D Mono
MODE1
L
L
H
H
H
MODE2
L
H
L
L
H
MODE3
-
-
L
H
-
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