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PDF NJM2701 Data sheet ( Hoja de datos )
| Número de pieza | NJM2701 | |
| Descripción | 3D SURROUND AUDIO PROCESSOR | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJM2701
3D SURROUND AUDIO PROCESSOR
s GENERAL DESCRIPTION
The NJM2701 is a 3D surround audio processor
regenerating the 3D surround sound with only two speakers.
The NJM2701 is suitable for audio applications, which are
speaker system for mini components, CD radio cassette,
multimedia speaker systems, TV and others.
sPACKAGE OUTLINE
s FEATURES
q Operating Voltage
4.7 to 13V
q Stereo mode
• Stable center image and Natural sound field
• High quality Surround
• Free speaker interval
q Monaural mode (Mono-to-Stereo Synthesis)
q Surround control (Stereo mode only)
q Internal Mode Control Switch
q Bipolar Technology
q Package Outline
DIP14, DMP14
NJM2701D
NJM2701M
s BLOCK DIAGRAM
LIN
RIN
+
+
FILTER for
Stereo
&
Monaural mode
-
+
LOUT
ROUT
Bypass
STEREO MODE
MONO MODE
-1-
1 page  
PIN NO. SYMBOL
FUNCTION
5
VREFIN
Reference Voltage
Input
NJM2701
EQUIVALENT CIRCUIT
V+ V+
V+
VOLTAGE
V+/2
6 V+ Power Supply
V+
7 GND
GND
0V
8
9
SW2
SW1
Mode Control Switch
V+ V+
V+
700
0V
-5-
5 Page 
sTYPICAL CHARACTERISTICS
Voltage Gain vs Frequency Response
(MONO)
V+=12V Vin=-10dBV Lch Vout=Lch
RL=47Kohm Rg=25ohm
6
5
Ta=-40deg.
4 Ta=25deg.
Ta=85deg.
3
2
1
0
10 100 1000 104 105
Frequency [Hz]
Voltage Gain vs SW1 Control Voltage
V+=12V Vin=-10dBV Lch f=100Hz Vout=Lch
BYPASS --> STEREO
14
12
10 Ta=85deg.
8 Ta=25deg.
Ta =-4 0deg.
6
4
2
0
-2
0 0.5 1 1.5 2 2.5
Control Voltage [V]
DC Offset Voltage vs Ambient Temperature
V+=12V Vout=Lch
6
4 BYPASS
2
0
STEREO
-2
MONO
-4
-6
-8
-60 -40 -20
0
20 40 60 80 100
Ambient Temperature [degrees]
NJM2701
Voltage Gain vs Frequency Response
(MONO)
V+=12V Vin=-10dBV Lch Vout=Rch
RL=47Kohm Rg=25ohm
6
5
Ta=-40deg.
4 Ta=25deg.
Ta=85deg.
3
2
1
0
10 100 1000 104 105
Frequency [Hz]
Voltage Gain vs SW2 Control Voltage
V+=12V Vin=-10dBV Lch f=100Hz Vout=Lch
STEREO --> MONO
14
12
10 Ta=85deg.
Ta=25deg.
8
Ta=-40deg.
6
4
2
0
0 0.5 1 1.5 2 2.5
Control Voltage [V]
DC Offset Voltage vs Ambient Temperature
V+=12V Vout=Rch
4
BYPASS
2
0
STEREO
-2
MONO
-4
-6
-8
-60 -40 -20
0
20 40 60 80 100
Ambient Temperature [degrees]
[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.
- 11 -
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet NJM2701.PDF ] | |
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