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NJW1169 查看數據表(PDF) - Japan Radio Corporation

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NJW1169 Datasheet PDF : 28 Pages
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NJW1169
AUDIO PROCESSOR with BBE Sound Enhancement
& Passive Matrix TruSurround Virtualizer & TruBass
s GENERAL DESCRIPTION
The NJW1169 is an audio processor with Passive Matrix
TruSurround Virtualizer, TruBass and BBE sound enhancement.
It includes all of functions processing audio signal for TV, such as
volume, balance, tone control, "eala" NJRC Surround, simulated
stereo, mute function, line out and AGC function.
All of internal status and variables are controlled by I2C BUS.
It is suitable for any TV set.
s PACKAGE OUTLINE
NJW1169FH1
s FEATURES
q Operating Voltage
8 to 13V
q I2C BUS Interface
Fast mode
q Passive Matrix TruSurround
q TruBass Function
q Subwoofer Output
q "eala" (NJRC Surround) & Simulated Stereo
q Volume
0 to -80dB(0.33dB/step), MUTE
q Balance
0 to -30dB(1dB/step), MUTE
q Tone Control
Bass/Middle/Treble, ±15dB(0.5dB/step)
q Bi-CMOS Technology
q Package Outline
QFP64-H1
s BLOCK DIAGRAM
OUTb(Mute/0dB)
LINEOUTb(0/4.5/6dB/OFF)
Bass/CenterOUT
VOL1
INb
/
AGC
BBE
3-Band
TONE
VOL2
AGC
Control
TruSurround
/
eala
TruBas s
VOL3
VOL1
INa
/
AGC
BBE
3-Band
TONE
VOL2
I2CBus
Interface
SDA
SCL
LINEOUTa(0/4.5/6dB/OFF)
OUTa(Mute/0dB)
-1-

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