Microchip FastECoax7501 Handleiding

Microchip Niet gecategoriseerd FastECoax7501

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 2009-2016 Microchip Technology Inc. DS60001314A-page 1
EQCO875SC.3/EQCO850SC.3
Features
• Combined Transmitter and Receiver with an
Integrated Equalizer to Form a Full-Duplex
Bidirectional Connection over a Single 75Ω Coax
Cable (EQCO875SC.3) or 50Ω Coax Cable
(EQCO850SC.3)
• Compatible with FX Version of Fast Ethernet
• Low-Power: 205 mW from Single 3.3V Supply
• Integrated Termination Resistors for Low External
Discrete Count
• Fully Supports PoE-Based Power and Data
Signal Distribution Over Coax
• 16-Pin, 0.65 mm Pin Pitch, 4 mm QFN Package
• Pb-Free and RoHS Compliant
Applications
This solution is useful and economical for many
markets and applications, including the following:
• Camera Networks
- Home Security, Surveillance, Industrial/
Inspection, Medical Cameras
• Home Networking over Coax Infrastructure
- When Cat5 or Cat6 cabling is not available
and existing 75Ω coax is not used for analog
TV signals
• TV, STB, PVR Connections Including Inter-Room
Links
TABLE 1: TYPICAL DEVICE PERFORMANCE FOR EQCO875SC.3
Version
EQCO875SC.3 Range Using
RG11 RG6 (Ø 5 mm)
EQCO875SC.3 225m 150m
TABLE 2: TYPICAL DEVICE PERFORMANCE FOR EQCO850SC.3
Version
EQCO850SC.3 Range Using
RG174 RTK RG58
EQCO850SC.3 40m 70m 70m
EQCO875SC.3/EQCO850SC.3 Single-Coax Transceiver for
Fast Ethernet
EQCO875SC.3/EQCO850SC.3
DS60001314A-page 2  2009-2016 Microchip Technology Inc.
Table of Contents
1.0 Device Overview .......................................................................................................................................................................... 3
2.0 Application Information................................................................................................................................................................. 7
3.0 Electrical Characteristics .............................................................................................................................................................. 9
4.0 Packaging................................................................................................................................................................................... 11
TO OUR VALUED CUSTOMERS
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http://www.microchip.com
You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.
The last character of the literature number is the version number, (e.g., DS30000000A is version A of document DS30000000).
Errata
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devices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the revision
of silicon and revision of document to which it applies.
To determine if an errata sheet exists for a particular device, please check with one of the following:
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When contacting a sales office, please specify which device, revision of silicon and data sheet (include literature number) you are
using.
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 2009-2016 Microchip Technology Inc. DS60001314A-page 3
EQCO875SC.3/EQCO850SC.3
1.0 DEVICE OVERVIEW
The EQCO875SC.3 single-coax transceiver is
designed to simultaneously transmit and receive
signals on a single 75Ω coax cable for Fast Ethernet. A
sister product, the EQCO850SC.3, can achieve similar
performance when used in 50Ω coaxial systems.
The EQCO875SC.3 is ideally suited for Fast Ethernet
connections over a 75Ω coax cable at a 125 Mbps data
rate. The EQCO875SC.3 connects seamlessly to any FX-
compliant physical layer controller (PHY). For correct
operation, the signals are expected to be 4B/5B encoded,
DC balanced and to have a bit rate of 125 Mbps.
This EQCO875SC.3 is useful and economical for
connecting remote PoE-enabled Fast Ethernet IP
cameras and other Ethernet over Coax applications.
Figure 1-1 illustrates a typical Ethernet Coaxial
connection:
FIGURE 1-1: COAXIAL ETHERNET PMD CONNECTION
Up to 225 meters
75Ω Coax
(including inline
connectors as required)
IEEE 802.3
FX
Compliant
PHY
EQCO875SC
IEEE 802.3
FX
Compliant
PHY
EQCO875SC

Product specificaties

Merk: Microchip
Categorie: Niet gecategoriseerd
Model: FastECoax7501

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