Data Sheet

Design Considerations—Ethernet Controller I210
815
12.5.4 Discrete/Integrated Magnetics Specifications
For 60 seconds 2250 Vdc (min)
Open Circuit
Inductance (OCL) or
OCL (alternate)
With 8 mA DC bias at 25 C 400 H (min)
With 8 mA DC bias at 0 C to 70 C 350 H (min)
Insertion Loss
100 KHz through 999 kHz
1.0 MHz through 60 MHz
60.1 MHz through 80 MHz
80.1 MHz through 100 MHz
100.1 MHz through 125 MHz
1 dB (max)
0.6 dB (max)
0.8 dB (max)
1.0 dB (max)
2.4 dB (max)
Return Loss
1.0 MHz through 40 MHz
40.1 MHz through 100 MHz
When reference impedance is 85 , 100 , and
115 .
Note that return loss values might vary with
MDI trace lengths. The LAN magnetics might
need to be measured in the platform where it is
used.
18 dB (min)
12 to 20 * LOG (frequency in MHz / 80) dB (min)
Crosstalk Isolation
Discrete Modules
1.0 MHz through 29.9 MHz
30 MHz through 250 MHz
250.1 MHz through 375 MHz
-50.3+(8.8*(freq in MHz / 30)) dB (max)
-26-(16.8*(LOG(freq in MHz / 250)))) dB (max)
-26 dB (max)
Crosstalk Isolation
Integrated Modules
1.0 MHz through 10 MHz
10.1 MHz through 100 MHz
100.1 MHz through 375 MHz
-50.8+(8.8*(freq in MHz / 10)) dB (max)
-26-(16.8*(LOG(freq in MHz / 100)))) dB (max)
-26 dB (max)
Diff to CMR
1.0 MHz through 29.9 MHz
30 MHz through 500 MHz
-40.2+(5.3*((freq in MHz / 30)) dB (max)
-22+(14*(LOG((freq in MHz / 250)))) dB (max)
CM to CMR
1.0 MHz through 270 MHz
270.1 MHz through 300 MHz
300.1 MHz through 500 MHz
-57+(38*((freq in MHz / 270)) dB (max)
-17-2*((300-(freq in MHz) / 30) dB (max)
-17 dB (max)