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PDF NJM2750 Data sheet ( Hoja de datos )
| Número de pieza | NJM2750 | |
| Descripción | 4 INPUT / 1 OUTPUT STEREO AUDIO SELECTOR | |
| Fabricantes | ETC | |
| Logotipo |  |
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NJM2750
4 INPUT / 1 OUTPUT STEREO AUDIO SELECTOR
s GENERAL DESCRIPTION
The NJM2750 is 4 Input / 1 Output Stereo Audio Selector.
Based on the internal Switch OP-AMP technology, the
NJM2750 has lower Output Noise, lower Distortion and
higher Channel Separation than the ordinary Multiplexers or
Analogue Switches.
The NJM2750 is suitable for any kinds of audio
equipments, such as TV, Car Stereo, Mini-Compo and so
on.
s PACKAGE OUTLINE
NJM2750M
s FEATURES
q Operating Voltage
(4.7 to 13V)
q 4 Input / 1 Output Audio Selectors
q Dual Channel for Stereo Use
q Low Output Noise
(-110dBV typ.)
q Low Distortion
(0.005% typ.)
q Bipolar Technology
q Package Outline
(DMP16)
s BLOCK DIAGRAM
s PIN CONFIGURATION
IN1a 1
CNT1 2
IN2a 3
CNT2 4
IN4a 5
IN1b 6
IN2b 7
IN4b 8
LOGIC
V+
bias
16 GND
15 OUTa
14 V+
13 IN3a
12 Vref
11 OUTb
10 (N.C.)
9 IN3b
PIN No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SYMBOL
IN1a
CNT1
IN2a
CNT2
IN4a
IN1b
IN2b
IN4b
IN3b
(N.C.)
OUTb
Vref
IN3a
V+
OUTa
GND
FUNCTION
Ach INPUT SELECTOR
CONTROL 1
Ach INPUT SELECTOR 2
CONTROL 2
Ach INPUT SELECTOR 4
Bch INPUT SELECTOR 1
Bch INPUT SELECTOR 2
Bch INPUT SELECTOR 4
Bch INPUT SELECTOR 3
NO CONNECT
Bch OUTPUT
REFERENCE VOLTAGE
Ach INPUT SELECTOR 3
POWER SUPPLY
Ach OUTPUT
GROUND
-1-
1 page  
NJM2750
s TYPICAL CHARACTERISTICS
10
9
8
7
6
5
4
3
2
1
0
0
Supply Current vs Supply Voltage
Ta=25°C
5 10
Supply Voltage [V]
15
Total Harmonic Distortion vs Input Voltage
V+=9V Ta=25°C Ach.
10
1
0.1
f=20Hz
f=20kHz
0.01
0.001
-40
f=1kHz
-30 -20 -10
0
Input Voltage [dBV]
10
Channel Separation vs Frequency Response
V+=9V Vin=1Vrms A-Weighted Ta=25°C Ach.in Bch.out
120
110
100
90
80
70
60
50
40
30
20
10
0
1100
110000
110k00
1000k00
Frequency [Hz]
100000k00
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
1100
Voltage Gain vs Frequency Response
V+=9V Vin=1Vrms Ta=25°C Ach.
110000 110K00 11000K00
Frequency [Hz]
1100000K00
Cross Talk vs Frequency Response
V+=9V Vin=1Vrms A-Weighted Ta=25°C Ach.
120
110
100
90
80
70
60
50
40
30
20
10
0
1100
110000
110k00
1000k00
Frequency [Hz]
100000k00
-5-
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet NJM2750.PDF ] | |
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