Datasheet
CANH
CANL
R
100 W
D at 0 V
or V
CC
R
S
at 0 V or V
CC
Pulse Generator
15 ms Duration
1% Duty Cycle
t
r
, t
r
3 100 ns
D
R
Rs
CANH
CANL
DUT
+
_
0 V
60 W 1%
0 V
V
I
V
O
15 pF 20%
V
CC
V
OH
V
OL
0.3 V
CC
0.3 V
CC
t
en
0.7 V
CC
V
I
V
O
SN55HVD251
SN65HVD251
SLLS545E –NOVEMBER 2002–REVISED MARCH 2010
www.ti.com
A. This test is conducted to test survivability only. Data stability at the R output is not specified.
Figure 7. Test Circuit, Transient Overvoltage Test
Table 1. Receiver Characteristics Over Common Mode Voltage
INPUT DIFFERENTIAL INPUT OUTPUT
V
CANH
V
CANL
|V
ID
| R
12 V 11.1 V 900 mV L
-6.1 V -7 V 900 mV L
V
OL
-1 V -7 V 6 V L
12 V 6 V 6 V L
-6.5 V -7 V 500 mV H
12 V 11.5 V 500 mV H
-7 V -1 V 6 V H V
OH
6 V 12 V 6 V H
open open X H
Figure 8. t
en
Test Circuit and Voltage Waveforms
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