NJW1166 Datasheet, PDF (1/25 Pages) New Japan Radio – AUDIO PROCESSOR with Subwoofer Output

NJW1166
AUDIO PROCESSOR with Subwoofer Output
s GENERAL DESCRIPTION
The NJW1166 is a sound processor with subwoofer
output includes all of functions processing audio signal for
TV, such as tone control, balance, volume, mute, and AGC
functions.
Also the NJW1166 includes the LPF for subwoofer output
and bass boost function.
The 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
NJW1166L
s FEATURES
q Operating Voltage
8 to 13V
q 3ch Output(Lch, Rch, Subwoofer ch) / 2ch Output(Lch, Rch)
q LPF Filter (Adjustable cut off frequency by external parts)
q AGC Circuit (It reduces volume difference among input sources.)
Adjustable AGC boost level by external parts and AGC compression level by I²C BUS
q eala(NJRC Original Surround System)
q Simulated Stereo
q I²C BUS Interface
q Bi-CMOS Technology
q Package Outline
SDIP32
s BLOCK DIAGRAM
AGC1
IN a
VOL1
AGC
IN b
VOL1
TONE TONE
SS-FIL -Ha -La LF1 LF2 LF3
OUTa
SCL SDA
TONE
eala
&
Simulated
Stereo
LPF
TONE
VOL2
VOL2
Trimmer
BBSW
I²CBUS
Interface
VOL2
Bias
CBS
CVA
CVB
CVW
CTH
CTL
CSR
PORT1
PORT0
AUX1
AUX0
GND
V+
AGC2
SR-FIL TONE TONE
-Hb -Lb
OUTb
OUTw
Vref
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