参数资料
型号: 78Q2120C09-DB
厂商: Maxim Integrated Products
文件页数: 20/35页
文件大小: 0K
描述: BOARD DEMO 78Q2120C
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
系列: *
78Q2120C
10/100BASE-TX
Transceiver
Page: 27 of 35
2009 Teridian Semiconductor Corporation
Rev 1.3
ANALOG ELECTRICAL CHARACTERISTICS
100BASE-TX Transmitter
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
Peak Output Amplitude (|Vp+|, |Vp-|)
(see note below)
Best-fit over 14 bit
times;
0.5 dB Transformer
loss
950
1050
mVpk
Output Amplitude Symmetry
|Vp +|
|Vp -|
0.98
1.02
Output Overshoot
Percent of Vp+, Vp-
5
%
Rise/Fall time (tr, tf)
10-90% of Vp+, Vp-
3
5
ns
Rise/Fall time Imbalance
|tr - tf|
500
ps
Duty Cycle Distortion
Deviation from best-fit
time-grid;
010101... Sequence
±250
ps
Jitter
Scrambled Idle
1.4
ns
Note: Measured at the line side of the transformer.
Test Condition: Transformer P/N:
TLA-6T103
Line Termination:
100
±1%
100BASE-TX Transmitter (Informative)
The specifications in the following table are included for information only. They are mainly a function of the
external transformer and termination resistors used for measurements.
PARAMETER
CONDITION
MIN
MAX
UNIT
Return Loss
2 < f < 30 MHz
30 < f < 60 MHz
60 < f < 80 MHz
16
16 20
30
log
f
MHz
10
dB
Open-Circuit Inductance
-8 < Iin < 8 mA
350
H
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