NJW1138 Datasheet, PDF (1/21 Pages) New Japan Radio – AUDIO PROCESSOR

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.
All of internal status and variables are controlled by I²C
BUS interface.
s PACKAGE OUTLINE
NJW1138L
NJW1138M
s FEATURES
q Operating Voltage
8 to 13V
q I²C BUS Interface
q AGC Circuit (It reduces volume difference among input sources.)
q eala(NJRC Original Surround)
q Simulated Surround
q Bi-CMOS Technology
q Package Outline
SDIP30, SDMP30
s BLOCK DIAGRAM
VOL1
AGC
e ala
&
Sim ulated
Surround
VOL1
TONE
VOL2
I2C Bus
Interface
TONE
VOL2
Bias
- 1 –F