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PDF NJW1155 Data sheet ( Hoja de datos )
| Número de pieza | NJW1155 | |
| Descripción | AUDIO PROCESSOR | |
| Fabricantes | NJR | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJW1155 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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P R E L I M I N A LY
NJW1155www.DataSheet4U.com
AUDIO PROCESSOR with SOUND ENHANCEMENT and SRS 3D STEREO
I GENERAL DESCRIPTION
The NJW1155 is an audio processor that includes Sound
enhancement (BBE) and SRS 3D Stereo. It includes all of
the audio signal processing functions for TV such as tone
control, balance, volume, mute, and AGC .
The SRS 3D stereo technology reproduces 3D stereo
surround sound effect using only two speakers.
The sound enhancement regenerates high definitive and
nearly real sound.
All of internal status and variables are controlled by I2C
BUS interface.
I PACKAGE OUTLINE
NJW1155M
I FEATURES
Operating Voltage 7.5 to 13V
I2C BUS Interface
BBE Sound Enhancement (Low Boost and High Boost: 15dB max.)
AGC Circuit (It reduces volume difference among input sources.)
SRS 3D Stereo
Simulated Surround
Bi-CMOS Technology
Package Outline SDMP30
I BLOCK DIAGRAM
VOL1
AGC
SRS
3D Stereo
&
Simulated
Surround
VOL1
BBE
BBE
TONE
TONE
VOL
VOL
I2C Bus
Interface
Bias
-1-
1 page  
NJW1155www.DataSheet4U.com
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
-
4.7
4.0
4.7
4.0
4.7
5.0
250
-
-
4.0
I2C BUS Load Condition:
Pull up resistance 4kΩ (Connected to +5V)
Load capacitance 200pF (Connected to GND)
TYP.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
tBUF
SCL
tR
tHD:STA tLOW
PS
tF
tHD:DAT
tHIGH
tSU:DAT
tHD:STA
tSU:STA
Sr
tSU:STO
P
-5-
5 Page 
MASTER VOLUME (Select Address : 00H)
Gain(dB)
HEX
D7
D6
D5
-43 7E
0
1
1
-44 7B
0
1
1
-45 78
0
1
1
-46 75
0
1
1
-47 72
0
1
1
-48 6F
0
1
1
-49 6C
0
1
1
-50 69
0
1
1
-51 66
0
1
1
-52 63
0
1
1
-53 60
0
1
1
-54 5D
0
1
0
-55 5A
0
1
0
-56 57
0
1
0
-57 54
0
1
0
-58 51
0
1
0
-59 4E
0
1
0
-60 4B
0
1
0
-61 48
0
1
0
-62 45
0
1
0
-63 42
0
1
0
-64 3F
0
0
1
-65 3C
0
0
1
-66 39
0
0
1
-67 36
0
0
1
-68 33
0
0
1
-69 30
0
0
1
-70 2D
0
0
1
-71 2A
0
0
1
-72 27
0
0
1
-73 24
0
0
1
-74 21
0
0
1
-75 1E
0
0
0
-76 1B
0
0
0
-77 18
0
0
0
-78 15
0
0
0
-79 12
0
0
0
-80 0F
0
0
0
-81 0C
0
0
0
-82 09
0
0
0
-83 06
0
0
0
-84 03
0
0
0
Mute
00
0
0
0
VOL
D4 D3
11
11
11
10
10
01
01
01
00
00
00
11
11
10
10
10
01
01
01
00
00
11
11
11
10
10
10
01
01
00
00
00
11
11
11
10
10
01
01
01
00
00
00
NJW1155www.DataSheet4U.com
D2 D1 D0
110
011
000
101
010
111
100
001
110
011
000
101
010
111
100
001
110
011
000
101
010
111
100
001
110
011
000
101
010
111
100
001
110
011
000
101
010
111
100
001
110
011
000
- 11 -
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet NJW1155.PDF ] | |
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