NJM2707 [NJRC]
Sound Enhancement Audio Processor for Compression Audio; 声音增强音频处理器音频压缩
| 型号： | NJM2707 |
| 厂家： | 
NEW JAPAN RADIO |
| 描述： | Sound Enhancement Audio Processor for Compression Audio |
| 文件： | 总6页 (文件大小：118K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NJM2707
Sound Enhancement Audio Processor for Compression Audio
■ GENERAL DESCRIPTION
■ PACKAGE OUTLINE
The NJM2707 is a sound enhancement audio processor designed for
compression audio. It includes mode control switch (Sound enhancement mode
/ Bypass mode).
The NJM2707 performs low noise and low distortion characteristics, and is
suitable for car audio & home audio applications.
NJM2707RB2
■ FEATURES
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Operating Voltage
Low Operating Circuit
Low output noise
Low THD
+1.8 to +13 V
0.75 mA typ.( at Sound enhancement mode VR: Max.)
-100dBV typ.( at Sound enhancement mode VR: Max.)
0.01% typ.
Variable Surround Effect by external resistor
Internal Mode Control Switch
Bipolar Technology
Package Outline
TVSP10
■ PIN CONFIGURATION
1. LIN
2. RIN
3. SW
1
2
3
4
5
10
9
4. VREF
5. GND
6. V+
8
7
7. NFR
8. NFL
9. ROUT
10. LOUT
6
■ BLOCK DIAGRAM (TVSP10)
BYPASS
REBIRTH
FILTER
1
10
9
LIN
LOUT
ROUT
NFL
BYPASS
REBIRTH
FILTER
2
RIN
3
8
4
7
VREF
V+
V+
5
6
GND
Ver.0.1E
NJM2707
■ ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
SYMBOL
RATING
UNIT
V
Power Supply Voltage
V+
14
410
Power Dissipation
PD
mW
°C
NOTE: EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm, 2layer, FR-4) mounting
Operating Temperature Range
Storage Temperature Range
Topr
-40 ~ +85
Tstg
-40 ~ +125
°C
■ OPERATING VOLTAGE
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
V+
Operating Voltage
1.8
9.0
13
V
■ ELECTRICAL CHARACTERISTICS(Ta=25°C, V+=9V, unless otherwise specified)
TEST CONDITION
PARAMETER
SYMBOL
MIN TYP MAX
UNIT
INPUT
OUTPUT
Mode
VR
L
R
0
0
0
0
-
-
-
Bypass
-
MAX
-
-
-
0.75
0.75
4.15
1.3
1.3
Supply Current
ICC
No Signal
No Signal
mA
V
eala
Rebirth
0
0
Reference Voltage
VREF
-
3.65
4.65
■ AC CHARACTERISTICS(Ta=25°C, V+=9V, Vin= 1.5Vrms,f=1kHz,RL=10kΩ,unless otherwise specified)
TEST CONDITION
PARAMETER
SYMBOL
MIN TYP MAX
UNIT
INPUT
OUTPUT
Mode
VR
L
R
VIN
-
-
VIN
-
L
R
L
f=1kHz
THD=1%
Bypass
-
2.2
1.5
2.2
1.0
-
3.0
2.7
3.0
1.6
-
-
-
-
VIN
-
f=1kHz
THD=1%
eala
Rebirth
MAX
Maximum
Input
Voltage
VIN
-
R
L
VIM
Vrms
VIN
-
f=10kHz
THD=1%
Bypass
-
VIN
-
R
L
VIN
-
f=10kHz
THD=1%
eala
Rebirth
MAX
VIN
R
L
Rg=0Ω
A-Weighted
-112
(2.5)
-106
(5.0)
0
0
0
0
Bypass
-
R
L
Output
Noise
dBV
(µVrms)
VNO
Rg=0Ω
A-Weighted
eala
Rebirth
-100
(10)
-94
(20)
MAX
-
R
L
VIN
-
-
VIN=1.5Vrms
f=1kHz
Bypass
-
MAX
-
-
0.002
0.1
0.01
-
Total
Harmonic
Distortion
VIN
-
R
L
THD+N
GVBYP
%
VIN
-
VIN=0.75Vrms
f=10kHz
eala
Rebirth
-
VIN
-
R
L
VIN
-
Bypass
Gain
VIN=1.5Vrms
f=1kHz
Bypass
-1.0
0.0
1.0
dB
VIN
R
– 2 –
NJM2707
TEST CONDITION
PARAMETER
SYMBOL
Geala
MIN TYP MAX
UNIT
INPUT
OUTPUT
Mode
VR
L
R
-
VIN
-
L
eala Rebirth
Gain
VIN=0.75Vrms
f=10kHz
eala
Rebirth
MAX
3.0
5.0
7.0
dB
VIN
R
■ CONTROL CHARACTERISTICS(Ta=25°C, V+=9V, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
VIN=High Level
VIN=Low Level
MIN.
TYP. MAX.
UNIT
1.2
0.0
-
-
V+
V
V
VMODE
Mode Select Control Voltage
0.3
■ SWITCH FUNCTION
MODE
SW
NOTES
Input Through
eala Rebirth(Stereo Input)
Bypass
L,Open
H
eala Rebirth
– 3 –
NJM2707
■ APPLICATION CIRCUIT
10uF
10uF
10uF
10uF
+
+
+
+
Lch Input
Rch Input
SW
1
2
3
4
5
LIN
LOUT 10
Lch Output
Rch Output
RIN
ROUT
NFL
NFR
V+
9
8
7
6
2.2nF
100kΩ
MAX
SW
VR:10kΩ
22kΩ
VREF
GND
MIN
1uF 1uF
+9V
+
+
+
100uF
– 4 –
NJM2707
■ TERMINAL DESCRIPTION
(Ta=25°C, V+=9V)
PIN No.
SYMBOL
FUNCTION
EQUIVALENT CIRCUIT
Voltage
V+
V+
V+
1
2
LIN
Lch Input
Rch Input
4.15V
RIN
700
VREF
V+
V+
V+
3
MODE SW
Mode Control Switch
0V
700
V+
V+
V+
4
VREF
Reference Voltage
4.15V
– 5 –
NJM2707
■ TERMINAL DESCRIPTION
(Ta=25°C, V+=9V)
PIN No.
6
SYMBOL
V+
FUNCTION
EQUIVALENT CIRCUIT
Voltage
V+
Power Supply
V+
V+
7
8
NFR
NFL
Rch Filter Terminal
Lch Filter Terminal
4.15V
400
V+
V+
V+
V+
9
ROUT
LOUT
Rch Output
Lch Output
4.15V
10
12k
[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.
– 6 –
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