NJW1133A Datasheet, PDF (1/20 Pages) New Japan Radio – AUDIO PROCESSOR

NJW1133A
AUDIO PROCESSOR
sGENERAL DESCRIPTION
The NJW1133A is an audio processor. It includes all of
functions processing audio signal for TV, such as tone
control, balance, volume, mute, and AGC(Auto Gain Control)
functions.
All of internal status and variables are controlled by I²C
BUS interface.
sPACKAGE OUTLINE
sFEATURES
q Operating Voltage
8 to 13V
q I²C BUS Interface
q AGC Circuit (It reduces volume difference among input sources.)
q Matrix Surround
q Bi-CMOS Technology
q Package Outline
SDMP30
sBLOCK DIAGRAM
NJW1133AM
AGC1
TONE TONE
OUT1a ^IN2a –Ha –La PS
OUT2a
IN1a
Volume
1
AGC
IN1b
Volume
1
Tone
(Bass/Treble)
Volume
2
Matrix
Surround
Tone
(Bass/Treble)
Volume
2
Control
Logic
Bias
CTH
CTL
CVA
CVB
AUX0
AUX1
SDA
SCL
GND
Vcc
AGC2
OUT1b IN2b TONE TONE
–Hb –Lb
OUT2b _VREF
-1-