Datasheet

0 V V
OD
+
_
CANH
CANL
TXD
STB
R
L
330 ±1%W
–2 V V 7 V£ £
TEST
330 ±1%W
STB
CANH
CANL
V
I
TXD
(SeeNote A)
90%
10%
0.9V
t
PLH
0.5V
V
IO
/2
0V
V
O(D)
V
O(R)
t
PHL
t
r
t
f
V
I
V
O
V
O
C =100pF
(seeNoteB)
L
R =60
±1%
L
W
V
IO
/2
V
IO
CANH
CANL
V
ID
V
I (CANH)
+V
I (CANL)
2
V
IC
=
V
I
(CANH)
V
I
(CANL)
V
O
I
O
RXD
1.5 V
CANH
CANL
RXD
V
I
(See Note A)
STB
C = 15 pF ± 20%
(See Note B)
L
I
O
V
O
V
I
V
O
t
PLH
0.7 V
IO
2 V 2.4 V
t
PHL
0.3 V
IO
90%
10%
3.5 V
1.5 V
V
IO
V
OL
t
r
t
f
SN65HVDA540
SN65HVDA541
SLLS981 – MAY 2009 ........................................................................................................................................................................................................ www.ti.com
PARAMETER MEASUREMENT INFORMATION (continued)
Figure 5. Driver V
OD
Test Circuit
A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 125 kHz, 50% duty cycle,
t
r
≤ 6 ns, t
f
≤ 6 ns, Z
O
= 50 Ω .
B. C
L
includes instrumentation and fixture capacitance within ± 20%.
Figure 6. Driver Test Circuit and Voltage Waveforms
Figure 7. Receiver Voltage and Current Definitions
A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 125 kHz, 50% duty cycle,
t
r
≤ 6 ns, t
f
≤ 6 ns, Z
O
= 50 Ω .
B. C
L
includes instrumentation and fixture capacitance within ± 20%.
Figure 8. Receiver Test Circuit and Voltage Waveforms
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