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PDF NJM2794 Data sheet ( Hoja de datos )
| Número de pieza | NJM2794 | |
| Descripción | Ground Noise Isolation Amplifier | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJM2794 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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NJM2794
Ground Noise Isolation Amplifier
s GENERAL DESCRIPTION
The NJM2794 is a ground noise isolation amplifier designed
for car audio system. It contains dual channel differential
amplifier.
It is developed for those car audio applications where long
connections between head unit and other components are
necessary and ground noise has to be eliminated.
s FEATURES
q Dual Channel Differential Amplifier
q Operating Voltage
4.3 to 13V
q Operating Current
14mA typ.
q Common mode rejection ratio
CMRR=60dB typ.
q Maximum Output Voltage
2Vrms min., @ THD=0.1%
q Supply Voltage Rejection Ratio 60dB typ.
q Total Harmonic Distortion
0.002% typ.
q Noise Output Voltage
1.3µVrms typ.
q Bipolar Technology
q Package Outline
TVSP10, SSOP14
s BLOCK DIAGRAM
s PACKAGE OUTLINE
NJM2794RB2 NJM2794V
V+
IN1-
IN1+
Vref
IN2+
IN2-
OUT1
OUT2
GND
–1–
1 page  
www.DataSheet4U.com
s APPLICATION CIRCUIT
q TVSP10 (NJM2794RB2)
OUT1
OUT1
+1
3.3μF
GND
2
Vref
10μF+ 3
V+
V+
22μF +
4
OUT2
OUT2
+5
3.3μF
q SSOP14 (NJM2794V)
OUT1
OUT1
+1
3.3μF
NC
2
GND
3
Vref
10μF+ 4
V+
V+
22μF +
5
NC
6
OUT2
OUT2
+7
3.3μF
NJM2794
IN1+
10 +
0.33μF
IN1+
IN1-
9+
0.33μF
IN1-
NC
8
IN2-
7+
0.33μF
IN2-
IN2+
6+
0.33μF
IN2+
IN1+
14 +
0.33μF
IN1+
NC
13
IN1-
12 +
0.33μF
IN1-
NC
11
IN2-
10 +
0.33μF
IN2-
NC
9
IN2+
8+
0.33μF
IN2+
–5–
5 Page 
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! TYPICAL CHARACTERISTICS
Common Mode Rejection Ratio vs. Frequency
V+=9V, Vin=1Vrms
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
10
25oC Ta=-40oC
Ta=85oC
100
1000
10000
Frequency [Hz]
100000
NJM2794
Common Mode Rejection Ratio vs. Input Voltage
V+=9V, f=1kHz, Ta=25oC, BW=400 - 30kHz
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.001
Ta=-40oC
25oC
85oC
0.01
0.1
1
Input Voltage [Vrms]
10
[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 NJM2794.PDF ] | |
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