參數(shù)資料
型號(hào): 78Q2120-64T
廠商: Electronic Theatre Controls, Inc.
英文描述: 10/100BASE-TX Ethernet Transceiver
中文描述: 10/100BASE-TX以太網(wǎng)收發(fā)器
文件頁數(shù): 24/33頁
文件大小: 200K
代理商: 78Q2120-64T
78Q2120
10/100BASE-TX
Ethernet Transceiver
ELECTRICAL SPECIFICATIONS
(continued)
24
ANALOG ELECTRICAL CHARACTERISTICS
100BASE-TX Transmitter
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
*Peak Output Amplitude, Vp+, Vp-
Best-fit over 14 bit
times;
0.5 dB Transformer
loss
950
1050
mV
Output Amplitude Symmetry
|
Vp
+|
|
Vp
-|
Percent of Vp+, Vp-
10 - 90% of Vp+, Vp-
0.98
1.02
Output Overshoot
Rise/Fall time, tr, tf
5
5
%
ns
3
Rise/Fall time Imbalance
|
tr
-
tf
|
500
ps
Duty Cycle Distortion
Deviation from best-fit
time-grid;
010101... Sequence
±
250
ps
100BASE-TX Transmitter
The specifications in the following table are not tested during production test. They are included for information only.
PARAMETER
CONDITION
MIN
MAX
UNIT
Return Loss
2 < f < 30 MHz
30 < f < 60 MHz
60 < f < 80 MHz
16
10
16 20
30
log
f
MHz
dB
Open Circuit Inductance
-8 < Iin < 8 mA
350
μ
H
ns
Jitter
Scrambled Idle
1.4
* Measured at the line side of the transformer.
Test Conditions: Transformer p/n: TLA-6T103
Line Termination: 100
±1%
RIBB: 9.76K ±1% @3.3V
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