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PDF NJW1341 Data sheet ( Hoja de datos )
| Número de pieza | NJW1341 | |
| Descripción | 8input-2output Video Switch | |
| Fabricantes | NJR | |
| Logotipo |  |
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NJW1341www.DataSheet4U.com
8input-2output Video Switch
with Isolation Amplifier & small AC-coupled Video Driver
s GENERAL DESCRIPTION
The NJW1341 is 8-Input,2-Output Video Switch.
The NJW1341 consists of switch and isolation
amplifiers(2input) and Video Driver which features small
AC-coupled(1output).
All of functions are controlled by I2C Bus.
sAPPLICATIONS
qCar AVN
qAny Video System
s PACKAGE OUTLINE
NJW1341VC3
s FEATURES
q Operating Voltage
q Small AC-coupled video amplifier (VOUT2)
q Isolation Amplifiers(VIN1,2)
q 8in-2out Video Switch
q Common Mode Rejection Ratio -50dB typ
q Bi-CMOS Technology
q I2C BUS interface
q Package Outline
4.5 to 9.5V
SSOP20-C3
s BLOCK DIAGRAM
VIN1
VGND1
VIN2
VGND2
VIN3
VIN4
VIN5
VIN6
VIN7
VIN8
+
-
+
-
Mute
Mute
Buffer
VOUT1
6dB 75Ω Driver
47µF 75Ω
+
VOUT2
SREF
VSAG
SSIG
I2C BUS
SDA
SCL
VDD
V+
GND
Ver.2
-1-
1 page  
NJW1341www.DataSheet4U.com
s DEFINITION OF I2C REGISTER
♦I2C BUS FORMAT
MSB
LSB MSB
S Slave Address A
1bit 8bit
S: Starting Term
A: Acknowledge Bit
P: Ending Term
1bit
♦SLAVE ADDRESS
MSB
001
R/W=0: Receive Only
R/W=1: Data is not transmitted.
0
Data
8bit
0
LSB
AP
1bit 1bit
00
LSB
0
♦CONTROL REGISTER DEFAULT VALUE
Control register default values are as follows :
Data
D7
0
♦INSTRUCTION CODE
D6
0
D5
0
Data
D7
OUT1
MUTE
D6 D5
OUT1 Select
BIT
D4 D3
00
BIT
D4 D3
OUT2
MUTE
D2 D1 D0
000
D2 D1 D0
OUT2 Select
♦MUTE TABLE
MUTE
D7
OUT1
0 MUTE OFF
1 MUTE ON
MUTE
D3
OUT2
0 MUTE OFF
1 MUTE ON
MUTE OFF: Active mode
MUTE ON: Power save mode
-5-
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet NJW1341.PDF ] | |
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