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NJM2783V

Description
Monaural Microphone Amplifier with ALC
File Size294KB,13 Pages
ManufacturerNew JRC
Websitehttps://www.njr.com
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NJM2783V Overview

Monaural Microphone Amplifier with ALC

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
"
BLOCK DIAGRAM
NJM2783V
+2.7 to +13.0V
200mVrms to 2Vrms)
+20 to +63dB (R
SENSE
=OPEN)
0dB/+20dB switchable
1µVrms typ.
SSOP14
IN
GAIN SW
INT
SENSE
VREF
V+
GND
Detector
Bias
Microphone Amprifier
Additional Gain
0dB/+20dB
Buffer Amplifier
100k
100k
VCR
GAIN1
GAIN2
DET
OUT
BUFFIN
BUFFGAIN BUFFOUT
Version 7.0E
–1–

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Description Monaural Microphone Amplifier with ALC Monaural Microphone Amplifier with ALC
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