參數(shù)資料
型號(hào)： LQ80221
英文描述： LAN Transceiver
中文描述： 網(wǎng)絡(luò)收發(fā)器
文件頁(yè)數(shù)： 56/91頁(yè)
文件大?。?/td> 907K
代理商： LQ80221
80220/80221
MD400159/E
56
TWISTED PAIR CHARACTERISTICS, TRANSMIT
Unless otherwise noted, all test conditions are as follows:
1. T
A
= 0 to +70
°
C
2. V
= 5V +/-5%
3. 25 MHz +/- 0.01%
4. REXT = 10K +/- 1%, no load
5. TPO
±
loading shown in Figure 11 or equivalent.
LIMIT
TYP
1.000
1.225
2.5
3.062
SYM
T
OV
PARAMETER
TP Differential Output
Voltage
MIN
0.950
1.165
2.2
2.694
98
MAX
1.050
1.285
2.8
3.429
102
UNIT
V pk
V pk
V pk
V pk
%
CONDITIONS
100 Mbps, UTP Mode, 100 Ohm Load
100 Mbps, STP Mode, 150 Ohm Load
10 Mbps, UTP Mode, 100 Ohm Load
10 Mbps, STP Mode, 150 Ohm Load
100 Mbps, Ratio of Positive And
Negative Amplitude Peaks on TPO
±
100 Mbps
TRFADJ [1:0] = 10
100 Mbps, Difference Between Rise
And Fall Times on TPO
±
TRFADJ [1:0] = 10
100 Mbps, Output Data=0101... NRZ
Pattern Unscrambled, Measure At 50%
Points
100 Mbps, Output Data=scrambled /H/
T
OVS
TP Differential Output
Voltage Symmetry
TP Differential Output
Rise And Fall Time
TP Differential Output
Rise And Fall Time
Symmetry
TP Differential Output
Duty Cycle Distortion
T
ORF
3.0
5.0
nS
T
ORFS
+/- 0.5
nS
T
ODC
+/-
0.25
nS
T
OJ
TP Differential Output
Jitter
TP Differential Output
Overshoot
TP Differential Output
Voltage Template
TP Differential Output
SOI Voltage Template
TP Differential Output
Link Pulse Voltage
Template
TP Differential Output
Idle Voltage
+/- 1.4
nS
T
OO
5.0
%
100 Mbps
T
OVT
See Figure 4
10 Mbps
T
SOI
See Figure 6
10 Mbps
T
LPT
See Figure 7
10 Mbps, NLP and FLP
T
OIV
+/- 50
mV
10 Mbps. Measured on Secondary
Side of Xfmr in Figure 11.
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