NJW1164 Datasheet, PDF (1/27 Pages) New Japan Radio – AUDIO PROCESSOR with BBE

PRELIMINARY
NJW1164
AUDIO PROCESSOR with BBE
s GENERAL DESCRIPTION
The NJW1164 is a TV audio processor with sound
enhancement (BBE).
The NJW1164 contains all necessary functions to process
TV audio signal such as volume control, tone control,
balance, mute, AGC and NJRC's proprietary surround sound
process, eala. The eala reproduces a natural surround
sound with clear vocal orientation.
The total modes and variables are controlled by the I²C bus
interface.
s PACKAGE OUTLINE
NJW1164L
NJW1164M
s FEATURES
q Operating Voltage
7.5 to 13V
q I²C BUS Interface
q BBE Sound Enhancement (Low Boost and High Boost: 15dB max.)
q eala (NJRC Original Surround)
q AGC Circuit (It reduces volume difference among input sources.)
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-