NJW1136 Datasheet, PDF (1/24 Pages) New Japan Radio – AUDIO PROCESSOR with Subwoofer Output

NJW1136
PRELIMINARY
AUDIO PROCESSOR with Subwoofer Output
I GENERAL DESCRIPTION
The NJW1136 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 NJW1136 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.
I PACKAGE OUTLINE
NJW1136GL1
NJW1136L
I FEATURES
G Operating Voltage
8 to 13V
G 3ch Output(Lch, Rch, Subwoofer ch) / 2ch Output(Lch, Rch)
NJW1136D
G LPF Filter (Adjustable cut off frequency by external parts)
G AGC Circuit (It reduces volume difference among input sources.)
Adjustable AGC boost level by external parts and AGC compression level by I²C BUS
G eala(NJRC Original Surround System)
G Simulated Stereo
G I²C BUS Interface
G Bi-CMOS Technology
G Package Outline
SOP32, DIP32
I BLOCK DIAGRAM
AGC1
TONE TONE
SS-FIL -Ha -La LF1 LF2 LF3
OUTa
SCL SDA ADR
CVA
CVB
IN a
VOL1
TONE
VOL2
CVW
CTH
AGC
eal a
&
Simulated
Stereo
LPF
VOL2
Trimmer
I²CBUS
Interface
CTL
CSR
PORT1
PORT0
AUX1
IN b
VOL1
TONE
VOL2
AUX0
Bias
GND
V+
AGC2
SR-FIL TONE TONE
-Hb -Lb
OUTb
OUTw
Vref
(1/24) G