NJW1152
PRELIMINARY
SOUND PROCESSOR with SOUND ENHANCEMENT
s
GENERAL DESCRIPTION
The
NJW1152
is a sound processor with sound
enhancement (BBE). It includes all of functions processing
audio signal for TV, such as tone control, balance, volume,
mute, and AGC functions.
Also the
NJW1152
performs surround and sound
enhancement. The sound enhancement regenerates high
definitive and nearly real sound.
2
All of internal status and variables are controlled by I C
BUS Interface.
s
PACKAGE OUTLINE
NJW1152G
s
FEATURES
8 to 13V
q
Operating Voltage
2
q
I C BUS Interface
q
Low Noise Master Volume
(Low Boost and High Boost: 12dB max.)
q
BBE Sound Enhancement
q
AGC circuit.
q
Original 3D Surround/Simulated Stereo
q
Bi-CMOS Technology
SOP40
q
Package Outline
s
BLOCK DIAGRAM
VOL1
BBE
TONE
VOL2
Control
Logic
AGC
NJRC
Surround
&
Sim ulated
Stereo
VOL1
BBE
TONE
VOL2
BIAS
-1-