NJM2783

更新时间： 2024-11-21 05:54:03

品牌	Logo	应用领域
NJRC		放大器
页数	文件大小	规格书
13页	296K
描述
Monaural Microphone Amplifier with ALC

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NJM2783 数据手册

NJM2783

Monaural Microphone Amplifier with ALC

ꢀGENERAL DESCRIPTION

ꢀPACKAGE OUTLINE

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.

NJM2783V

ꢀFEATURES

• Operating Voltage

+2.7 to +13.0V

• Monaural Microphone Amplifier

• Auto level control (ALC) function

(Adjustable the limit level

by external resistors

200mVrms to 2Vrms)

• Adjustable the voltage gain

by external resistors

+20 to +63dB (R_SENSE=OPEN)

0dB/+20dB switchable

• Additional Gain Amplifier

• Built-in Buffer Amplifier

• Low Equivalent Input Noise

• Carefully designed to reject RF noise

• Bipolar Technology

1µVrms typ.

• Package Outline

SSOP14

ꢀBLOCK DIAGRAM

GAIN SW

INT

SENSE

VREF

V+

GND

Detector

Bias

Microphone Amprifier

Additional Gain

0dB/+20dB

Buffer Amplifier

100k

VCR

GAIN1

GAIN2

DET

OUT

BUFFIN BUFFGAIN BUFFOUT

Version 7.0E

– 1 –

12 3 4 5 6 7...13

中文翻译

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