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参数资料
| 型号： | TW3801-TC1-CRT |
| 厂商： | Intersil |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | IC LINEAR |
| 标准包装： | 1,000 |
| 系列： | * |
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
|Copyright Intersil Americas Inc. 2012. All Rights Reserved
Intersil (and design) and SLOC are trademarks owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
Security Link Over Coax (SLOC) Transmitter
TW3801
SLOC (Security Link Over Coax) is a transmission protocol for
simultaneously transmitting analog CVBS video and digital IP
video over a single coaxial cable.
The TW3801 is the transmitting (“camera”) end of a SLOC link,
combining Ethernet digital video data and analog CVBS video
into a single SLOC signal that can be transmitted over 500m of
coaxial cable. It can be embedded into a camera or configured
as a stand-alone IP+CVBS-to-SLOC converter.
The TW3801 includes an AFE, digital modem, and two
Ethernet MII/RMII interfaces. The device accepts an analog
CVBS signal and an Ethernet (R)MII signal and encodes it into a
SLOC signal.
Applications
Single-channel SLOC transmitter modem
Embedded SLOC camera modem
Features
Simultaneous transmission of IP video data and analog
CVBS video over up to 500m of RG59 coaxial cable
Analog CVBS video preview support
Proprietary adaptive analog equalizer for extending the
reach of CVBS video
Proprietary SLOC-based IP DVR detection
Creates a full-duplex 100BASE-T digital link
36Mbps downlink speed from TW3801 to TW3811
4Mbps uplink for SLOC compliance
Ethernet MAC MII/RMII interface for interfacing to Camera
ISPs
Ethernet PHY MII/RMII interface for interfacing to Ethernet
PHY chip
I2C 2-wire control interface
Integrated PLL with 25MHz crystal interface
1.8V, 3.3V supplies
100-TQFP (12mmx12mm) Package
Application Block Diagram
EL8101
Analog
CVBS
Ethernet
SPOT
Monitor
DVR
Network
Switch
NVR
One-Channel SLOC Receiver
MCU
(optional)
SLOC Adapter Module
Up to 500m of
RG59 cable
IP Camera
Analog
CVBS
Ethernet
TW3801
TW3811
100BASE-T
PHY
100BASE-T
PHY
MCU
(optional)
Simplified Application Schematic
3.3V
1.8V
+
TW3801
+
COAX_OUT
22F
0.1F
470F
75
COAX_IN
1M
25MHz
22pF
XT
A
L
_O
U
T
XT
A
L
_I
N
10F
CVBS_IN
I
2C
Microcontroller
SC
L
SD
A
MII or
RMII
PHY
MII / RMII
Interface
RJ45
CVBS
Input
Ethernet
I/O
SLOC
Coax I/O
LOAD_DRV
75
VDD_IO VDD_A
VDD_D
+
IP
Camera
150nH
75
November 29, 2012
FN8283.1
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