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PDF NJW1136 Data sheet ( Hoja de datos )
| Número de pieza | NJW1136 | |
| Descripción | AUDIO PROCESSOR with Subwoofer Output | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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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
IN a
IN b
VOL1
AGC
VOL1
eal a
&
Simulated
Stereo
TONE
LPF
TONE
VOL2
VOL2
Trimmer
VOL2
I2CBUS
Interface
Bias
CVA
CVB
CVW
CTH
CTL
CSR
PORT1
PORT0
AUX1
AUX0
GND
V+
AGC2
SR-FIL TONE TONE
-Hb -Lb
OUTb
OUTw
Vref
(1/24) G
1 page  
I I2C BUS BLOCK CHARACTERISTICS (SDA,SCL)
PARAMETER
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Low Level Output Voltage (3mA at SDA pin)
Maximum Output Current
Maximum Clock Frequency
Data Change Minimum Waiting Time
Data Transfer Start Minimum Waiting Time
Low Level Clock Pulse Width
High Level Clock Pulse Width
Minimum Start Preparation Waiting Time
Minimum Data Hold Time
Minimum Data Preparation Time
Rise Time
Fall Time
Minimum Stop Preparation Waiting Time
SYMBOL
VIH
VIL
IIH
IIL
VOL
IOL
fSCL
tBUF
tHD:STA
tLOW
THIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
MIN.
3.0
0
-
-
0
-3.0
0
4.7
4.0
4.7
4.0
4.7
5.0
250
-
-
4.7
I2C BUS Load Condition:
Pull up resistance 4kΩ (Connected to +5V)
Load capacitance 200pF (Connected to GND)
TYP.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NJW1136
MAX.
5.0
1.5
10
10
0.4
-
100
-
-
-
-
-
-
-
1.0
300
-
UNIT
V
V
µA
µA
V
mA
kHz
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
SDA
tBU
SCL
tR
tHD:ST tLOW
PS
tF
tHD:DA
tHIGH
tSU:DA
tHD:ST
tSU:ST
Sr
tSU:ST
P
(5/24)
5 Page 
I APPLICATION CIRCUIT
0.47µ
1 INa
INb 32
100n
2 SR-FIL
LF1 31
100n
3 SS-FIL
LF2 30
2.2n
4 TONE-Ha
LF3 29
100n
4.7µ
4.7µ
5V 330nF
4.7k
5 TONE-La
6 OUTw
7 OUTa
8 AGC1
9 AUX0
TONE-Hb 28
TONE-Lb 27
OUTb 26
AGC2 25
CVA 24
10 AUX1
220
11 PORT0
220
12 PORT1
(✳4) 13 ADR
100
14 SDA
220
15 SCL
CVB 23
CVW 22
CTH 21
CTL 20
CSR 19
Vref 18
16 GND
V+ 17
NJW1136
0.47µ
0.033µ
0.047µ
0.022µ
2.2n
100n
4.7µ
100k
4.7µ
4.7µ
4.7µ
4.7µ
4.7µ
4.7µ
4.7µ
22µ
(✳4) Set the Slave Address by “ADR” terminal.
ADR pin (13pin)
“ADR” bit
GND
+5V
0
1
(11/24)
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet NJW1136.PDF ] | |
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