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NJW1109V PDF预览

NJW1109V

更新时间: 2024-01-08 10:16:30
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

NJW1109V 数据手册

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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  
VOL  
IN a  
IN b  
OUTa  
OUTb  
Vref  
Bias  
CAPb  
V+ GND  
PIN FUNCTION  
SYMBOL  
V+  
SYMBOL  
SCL  
No.  
FUNCTION  
Power Supply  
No.  
8
FUNCTION  
1
2
3
4
I2C Bus Clock Input  
1
14  
OUTb  
N.C.  
Bch Output  
No Connect  
9
Vref  
INa  
Reference voltage stabilized  
capacitor connect terminal  
10  
11  
Ach Input  
CAPb  
Balance control click noise  
absorbing capacitor connect  
terminal  
CAPa  
Volume control click noise  
absorbing capacitor connect  
terminal  
5
6
7
INb  
ADR  
SDA  
Bch Input  
12  
13  
14  
N.C.  
OUTa  
GND  
No Connect  
7
8
I2C Bus Slave Address  
Select  
I2C Bus Data Input  
Ach Output  
Ground  
– 1 –  

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