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PDF NJW1166 Data sheet ( Hoja de datos )
| Número de pieza | NJW1166 | |
| Descripción | AUDIO PROCESSOR | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJW1166 (archivo pdf) en la parte inferior de esta página. Total 25 Páginas | ||
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NJW1166
AUDIO PROCESSOR with Subwoofer Output
www.datasheet4u.com
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
(1/24) A
1 page  
s I2C BUS BLOCK CHARACTERISTICS (SDA,SCL)
PARAMETER
High Level Input Voltage
www.datLaoshweeLte4vue.cloImnput 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
-
4.7
4.0
4.7
4.0
4.7
0
250
-
-
4.0
I2C BUS Load Condition: Pull up resistance 4kΩ (Connected to +5V)
Load capacitance 200pF (Connected to GND)
TYP.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NJW1166
MAX.
5.0
1.5
10
10
0.4
-
100
-
-
-
-
-
3.45
-
1.0
300
-
UNIT
V
V
µA
µA
V
mA
kHz
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
SDA
tBUF
SCL
tR
tHD:STA tLOW
PS
tF
tHD:DAT
tHIGH
tSU:DAT
tHD:STA
tSU:STA
Sr
tSU:STO
P
(5/24)
5 Page 
NJW1166
s MEASUREMENT CIRCUIT
Input Ach
www.datasheet4u.com
Vin
Output Wch
Output Ach
47k 47k
AUX0
AUX1
(✳1) (✳2)
PORT0
PORT1
VPTIN0
VPTIN1
SDA
SCL
VADRIN
(✳3)
0.47µ
100n
100n
2.2n
100n
4.7µ
4.7µ
330nF
4.7µ
1 INa
2 SR-FIL
3 SS-FIL
4 TONE -Ha
5 TONE -La
6 OUTw
7 OUTa
8 AGC1
9 AUX0
10 AUX1
11 PORT0
12 PORT1
13 CBS
14 SDA
15 SCL
16 GND
INb 32
LF1 31
LF2 30
LF3 29
TONE -Hb 28
TONE-Lb 27
OUTb 26
AGC2 25
CVA 24
CVB 23
CVW 22
CTH 21
CTL 20
CSR 19
Vref 18
V+ 17
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
Input Bch
Vin
Output Bch
47k
Icc
V+
Vref
V+
(✳1)
(✳2)
(✳3)
VAUX0
Output High
Output Low
VAUX1
Output Low
VOL
Output Low
IAUX0
+2mA
-120µA
IAUX1
-3mA
IOL
-3mA
(11/24)
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet NJW1166.PDF ] | |
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