80220 Datasheet, PDF (57/91 Pages) LSI Computer Systems – 100BASE-TX/10BASE-T Ethernet Media Interface Adapter

80220/80221
TWISTED PAIR CHARACTERISTICS, TRANSMIT (continued)
SYM
T_OIA
T
OIR
T_ORA
T
OR
T_OC
PARAMETER
TP Output Current
TP Output Current
Adjustment Range
MIN
19
15.53
44
35.93
0.80
0.86
TP Output Current
TLVL Step Accuracy
TP Output Resistance
TP Output Capacitance
LIMIT
TYP
20
16.33
50
40.82
10K
15
MAX
21
17.13
56
45.72
1.2
UNIT
mA pk
mA pk
mA pk
mA pk
1.16
+/-50 %
Ohm
pF
CONDITIONS
100 Mbps, UTP with TLVL[3:0]=1000
100 Mbps, STP with TLVL[3:0]=1000
10 Mbps, UTP with TLVL[3:0]=1000
10 Mbps, STP with TLVL[3:0]=1000
V =5V, Adjustable with REXT,
CC
relative to T with REXT=10K
OIA
V_CC=5V, Adjustable with TLVL[3:0]
See Section 5.4
Relative to Value at TLVL[3:0]=1000
Relative to Ideal Values in Table 3.
Table 3 Values Relative to Output with
TLVL[3:0]=1000.
45-577
MD400159/E