NJM2777

更新时间： 2024-11-24 22:51:47

品牌	Logo	应用领域
NJRC		放大器电子
页数	文件大小	规格书
15页	236K
描述
Headphone Amplifier with Electronic Volume

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NJM2777 数据手册

NJM2777

Headphone Amplifier with Electronic Volume

I PACKAGE OUTLINE

I GENERAL DESCRIPTION

NJM2777 is a headphone amplifier with electronic volume. It

includes widely gain adjustable volume, +20 to –80 dB, and mute

function. These are controlled by DC voltage. The NJM2777 is

suitable for headphone output on TV set.

NJM2777D NJM2777M

NJM2777V

I FEATURES

G Operating Voltage

G Electronic Volume

G Mute Function

G Bipolar

8 to 10 V

+20dB to -80dB

G Package Outline

DIP14, DMP14, SSOP14

I BLOCK DIAGRAM

CNTa CAPa

Mute

VOL

IN a

IN b

OUTa

OUTb

Vref

Bias

CNTb CAPb V+ GND

I PIN FUNCTION

SYMBOL

V+

SYMBOL

N.C.

No.

FUNCTION

Power Supply

No.

FUNCTION

No connecting

OUTb

CNTb

CAPb

Bch Output

Vref

INa

Reference voltage stabilized

capacitor connect terminal

Bch Volume control voltage 10

input

Ach Input

Bch Volume control click

noise absorbing capacitor

connect terminal

CAPa

Ach Volume control click

noise absorbing capacitor

connect terminal

INb

Mute

N.C.

Bch Input

CNTa

OUTa

GND

Ach Volume control voltage

input

Mute control

Ach Output

No connecting

Ground

– 1 –

12 3 4 5 6 7...15

中文翻译

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NJM2777M	NJRC	获取价格	Headphone Amplifier with Electronic Volume
NJM2777V	NJRC	获取价格	Headphone Amplifier with Electronic Volume
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