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NJW1172 PDF预览

NJW1172

更新时间: 2024-10-27 22:44:51
品牌 Logo 应用领域
NJRC /
页数 文件大小 规格书
23页 590K
描述
AUDIO PROCESSOR

NJW1172 数据手册

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NJW1172  
AUDIO PROCESSOR  
GENERAL DESCRIPTION  
PACKAGE OUTLINE  
The NJW1172 is a sound processor includes all of the  
functions required to process the audio signal for TV, such  
as tone control, balance, volume, mute, and AGC functions.  
Also the NJW1172 performs BBE sound enhancement  
and SRS 3D Stereo. The BBE regenerates high definitive  
and nearly real sound, and SRS 3D Stereo regenerates 3D  
surround sound with only two speakers.  
All of the internal status and variables are controlled by  
I2C BUS interface.  
NJW1172GK1  
FEATURES  
Operating Voltage  
8 to 13V  
I2C BUS Interface  
BBE Sound Enhancement (Low Boost and High Boost: 15dB max.)  
Internal 6 Input Audio Selectors and Monitor Output  
The AGC circuit reduces volume difference among input sources.  
Variable AGC Compression Level via I2C (4-levels)  
SRS 3D Stereo and Simulated Stereo  
Variable Surround Effect Level via I2C  
Low Noise VCA  
Bi-CMOS Technology  
Package Outline  
SOP40-K1  
BLOCK DIAGRAM  
TONE TONE  
OUTa  
MONa  
VCAINa  
AGC  
-Ha  
-La  
IN1a  
IN2a  
IN3a  
IN4a  
IN5a  
IN6a  
SDA  
SCL  
CVA  
CVB  
CTH  
CTL  
CSR  
CSB  
SEL  
SEL  
VOL1  
BBE  
TONE  
VOL2  
I2C BUS  
Interface  
SRS  
3D Stereo  
&
Simulated  
Stereo  
AGC  
IN1b  
IN2b  
IN3b  
VOL1  
BBE  
TONE  
VOL2  
IN4b  
IN5b  
IN6b  
GND  
Vcc  
Bias  
Vref  
MONb VCAINb  
TONE TONE  
OUTb  
-Hb  
-Lb  
- 1 -  

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