NJW1138
P R E L I M I N A LY
AUDIO PROCESSOR
s
GENERAL DESCRIPTION
The
NJW1138
is an audio processor. It includes all of
functions processing audio signal for TV, such as tone
control, balance, volume, mute, NJRC original surround, and
AGC functions.
The NJRC original surround system reproduces natural
surround sound and clear vocal orientation.
2
All of internal status and variables are controlled by I C
BUS interface.
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PACKAGE OUTLINE
NJW1138L
NJW1138M
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FEATURES
8 to 13V
q
Operating Voltage
2
q
I C BUS Interface
q
AGC Circuit (It reduces volume difference among input sources.)
q
eala(NJRC Original Surround)
q
Simulated Surround
q
Bi-CMOS Technology
SDIP30, SDMP30
q
Package Outline
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BLOCK DIAGRAM
VOL1
TONE
VOL2
AGC
eala
&
Sim ulated
Surround
I2C Bus
Interface
VOL1
TONE
VOL2
Bias
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