Intel GD82559ER User Manual
Page 81
Datasheet
75
Networking Silicon — GD82559ER
NOTES: Current is measured on all V
CC
pins (V
CC
= 3.3 V).
1. Transmitter peak current is attained by dividing the measured maximum differential output peak voltage by
the load resistance value.
NOTES: Current is measured on all V
CC
pins (V
CC
= 3.3 V).
1. Transmitter peak current is attained by dividing the measured maximum differential output peak voltage by
the load resistance value.
V
IDR100
Input Differential
Reject Peak Voltage
±100
mV
V
ICM100
Input Common Mode
Voltage
V
CC
/2
V
V
OD100
Output Differential
Peak Voltage
0.95
1.00
1.05
V
I
CCT100
Line Driver Supply
Peak Current
RBIAS100 = 619
Ω
20
mA
1
Table 19. 100BASE-TX Voltage/Current Characteristics
Figure 24. RBIAS100 Resistance Versus Transmitter Current
Rbias100
585 0hm
619 Ohm
650 Ohm
Icct100
19mA
20 mA
21mA
Table 20. 10BASE-T Voltage/Current Characteristics
Symbol
Parameter
Condition
Min
Typical
Max
Units
Notes
R
ID10
Input Differential
Impedance
10 MHz
10
K
Ω
V
IDA10
Input Differential
Accept Peak Voltage
5 MHz
≤
f
≤
10 MHz
±585
±440
±3100
mV
V
IDR10
Input Differential
Reject Peak Voltage
5 MHz
≤
f
≤
10 MHz
0
±440
±300
mV
V
ICM10
Input Common Mode
Voltage
V
CC
/2
V
V
OD10
Output Differential
Peak Voltage
RL = 100
Ω
2.2
2.8
V
I
CCT10
Line Driver Supply
Peak Current
RBIAS10 = 549
Ω
48
mA
1