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LAN8820I Datasheet(PDF) 33 Page - Microchip Technology

Part # LAN8820I
Description  RGMII 10/100/1000 Ethernet Transceiver
PDF  83 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN8820I Datasheet(HTML) 33 Page - Microchip Technology

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 2009-2015 Microchip Technology Inc.
DS00001871B-page 33
LAN8820/LAN8820I
3.10.2
POWER SUPPLY & TWISTED PAIR INTERFACE DIAGRAM
FIGURE 3-7:
POWER SUPPLY & TWISTED PAIR INTERFACE DIAGRAM
LAN8820/LAN8820i
ETHRBIAS
VSS
8.06K Ohm
1%
(x4) VDD12A
VDD12PLL
CBYPASS
VDD12BIAS
CBYPASS
VDD12CORE (x6)
CBYPASS
VDD25IO (x4)
CBYPASS
x6
x4
Power
Supply
2.5V
Power
Supply
1.2V
Magnetics
TR0P
TR0N
1
2
3
4
5
6
7
8
1000 pF
2 kV
Circuitry within the dotted line is for Channel 0.
Duplicate this circuit for Channels 1, 2 and 3.
RJ45
75
CBYPASS
49.9
49.9
0.022uF
Note: 0.022uF capacitor is optional. In
an EMI constrained environment,
populate this capacitor. The component
must be placed close to the transformer.



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