NJW1137 Datasheet, PDF (1/24 Pages) New Japan Radio – AUDIO PROCESSOR with SOUND ENHANCEMENT

NJW1137
P R E L I M I N A LY
AUDIO PROCESSOR with SOUND ENHANCEMENT
s GENERAL DESCRIPTION
The NJW1137 is an audio processor with sound
enhancement (BBE). 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.
The sound enhancement regenerates high definitive and
nearly real sound.
All of internal status and variables are controlled by I²C
BUS interface.
s PACKAGE OUTLINE
NJW1137L
NJW1137M
s FEATURES
q Operating Voltage
8 to 13V
q I²C BUS Interface
q BBE Sound Enhancement (Low Boost and High Boost: 15dB max.)
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
BBE
AGC
e ala
&
Sim ulated
Surround
VOL1
BBE
TONE
VOL2
I2C Bus
Interface
TONE
VOL2
Bias
- 1 –F