NJW1109

更新时间： 2024-11-17 22:28:59

品牌	Logo	应用领域
NJRC		放大器电子
页数	文件大小	规格书
14页	182K
描述
Headphone Amplifier with Electronic Volume

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中文翻译

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数据手册

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NJW1109 数据手册

NJW1109

Headphone Amplifier with Electronic Volume

■ PACKAGE OUTLINE

■ GENERAL DESCRIPTION

The NJW1109 is a headphone amplifier with electronic volume. It

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

function. These are controlled by I²C bus. The NJW1109 is

suitable for headphone output on TV set.

NJW1109D NJW1109M

NJW1109V

■ FEATURES

■ Operating Voltage

■ Electronic Volume

■ I²C Bus Interface

■ Bi-CMOS Technology

■ Package Outline

7.5 to 10 V

+20dB to -80dB / 0.5dB step, Mute

DIP14, DMP14, SSOP14

■ BLOCK DIAGRAM

CAPa

SDA SCL

I²C

ADR

Interface

VOL

IN a

IN b

OUTa

OUTb

Vref

Bias

CAPb

V+ GND

■ PIN FUNCTION

SYMBOL

V+

SYMBOL

SCL

No.

FUNCTION

Power Supply

No.

FUNCTION

I²C Bus Clock Input

OUTb

N.C.

Bch Output

No Connect

Vref

INa

Reference voltage stabilized

capacitor connect terminal

Ach Input

CAPb

Balance control click noise

absorbing capacitor connect

terminal

CAPa

Volume control click noise

absorbing capacitor connect

terminal

INb

ADR

SDA

Bch Input

N.C.

OUTa

GND

No Connect

I²C Bus Slave Address

Select

I²C Bus Data Input

Ach Output

Ground

– 1 –

12 3 4 5 6 7...14

中文翻译

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NJW1109M	NJRC	获取价格	Headphone Amplifier with Electronic Volume
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