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CANH
CANL
D
27
1%
27
1%
R
S
V
OC
V
OC
50 pf
20%
V
oc(pp)
V
I
D
R
CANH
CANL
DUT
50%
0.3 vcc
+
_
+
_
0.7 vcc
60
1%
R
S
V
I
10 k
或者 100 k
5%
V
Rs
V
O
15 pf
20%
V
CC
0 v
V
OH
V
OL
d 输入
r 输出
t
Loop2
t
Loop1
SN65HVD251
SLLS545B–NOVEMBER2002–REVISEDSEPTEMBER2003
一个.theinputpulseissuppliedbyageneratorhavingthefollowingcharacteristics:prr
≤
125khz,50%dutycycle,t
r
≤
6ns,t
f
≤
6ns,z
O
=50
Ω
.
figure9.顶峰-至-peakcommonmodeoutputvoltage
figure10.t
循环
TestCircuitandVoltageWaveforms
9