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PDF NJM2783 Data sheet ( Hoja de datos )
| Número de pieza | NJM2783 | |
| Descripción | Monaural Microphone Amplifier | |
| Fabricantes | NJR Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJM2783 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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Preliminary
NJM2783
Monaural Microphone Amplifier with ALC
GENERAL DESCRIPTION
The NJM2783 is a monaural microphone amplifier with
auto level control function to avoid distortion due to clipping.
The voltage gain and the limit level are adjustable by
external resistors.
It is suitable for mini component audio system, home
audio system, karaoke and others.
PACKAGE OUTLINE
FEATURES
• Operating Voltage
• Monaural Microphone Amplifier
• Auto level control (ALC) function
(Adjustable the limit level
by external resistors
• Adjustable the voltage gain
by external resistors
• Additional Gain Amplifier
• Built-in Buffer Amplifier
• Low Equivalent Input Noise
• Carefully designed to reject RF noise
• Bipolar Technology
• Package Outline
+2.7 to +13.0V
200mVrms to 2Vrms)
+20 to +63dB (RSENSE=OPEN)
0dB/+20dB switchable
1µVrms typ.
SSOP14
NJM2783V
BLOCK DIAGRAM
IN GAIN SW INT
SENSE VREF
V+
GND
Detector
Bias
Microphone Amprifier
100k
Additional Gain
0dB/+20dB
Buffer Amplifier
100k
VCR
GAIN1
GAIN2
DET
OUT
BUFFIN BUFFGAIN BUFFOUT
Version 6.0E
–1–
1 page  
www.DataSheet4U.com
APPLICATION CIRCUIT
Preliminary
NJM2783
INPUT
V+
0.47µF
V+
1µF
47kΩ
10µF
10µF
14 13 12 11 10
9
8
IN
GAIN SW INT
SENSE
VREF
V+
GND
Detector
Bias
V+
GAIN1
1
GAIN2
2
47kΩ
330Ω
10µF
DET
3
OUT
4
BUFFIN
5
BUFFGAIN BUFFOUT
67
0.47µF
1µF 4.7µF
4.7µF
VR
10kΩ
OUTPUT
Version 6.0E
–5–
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet NJM2783.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| NJM2781 | Monaural Microphone Amplifier |  ETC |
| NJM2783 | Monaural Microphone Amplifier | NJR Corporation |
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