SN65HVD251 Datasheet, PDF (8/19 Pages) Texas Instruments – CAN TRANSCEIVER

SN65HVD251
SLLS545B – NOVEMBER 2002 – REVISED SEPTEMBER 2003
PARAMETER MEASUREMENT INFORMATION (continued)
CANH
R
100 W
CANL
Pulse Generator
15 ms Duration
1% Duty Cycle
t_r, t_r 3 100 ns
R_S at 0 V or V_CC
D at 0 V
or V_CC
A. This test is conducted to test survivability only. Data stability at the R output is not specified.
Figure 7. Test Circuit, Transient Over-Voltage Test
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V_CANH
12 V
-6.1 V
-1 V
12 V
-6.5 V
12 V
-7 V
6V
open
Table 1. Receiver Characteristics Over Common Mode Voltage
INPUT
V_CANL
11.1 V
-7 V
-7 V
6V
-7 V
11.5 V
-1 V
12 V
open
MEASURED
|V_ID|
900 mV
L
900 mV
L
6V
L
6V
L
500 mV
H
500 mV
H
6V
H
6V
H
X
H
OUTPUT
R
V_OL
V_OH
D
0V
Rs
V_I
R
+
V__O
15 pF + 20%
DUT
CANH
60 W + 1%
CANL
0.7 V_CC
V_I
V_CC
0V
V_O
0.3 V_CC
t_en
V_OH
0.3 V_CC
V_OL
Figure 8. t_en Test Circuit and Voltage Waveforms
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