Datasheet

V
O
I
O
R
V
ID
CANH
CANL
V
I(CANL)
V
I(CANH)
V
I(CANH
+ V
I(CANL)
2
V
IC
=
I
O
R
CANH
CANL
V
I
2.2V 2.2V
2.9V
1.5V
V
OH
V
OL
90%
10%
t
r
t
f
50%
V
I
V
O
t
PLH
t
PHL
(seeNote A)
1.5V
C
L
=15pF ±20%
(seeNoteB)
V
O
10%
90%
50%
100 Ω
CANH
CANL
Rs, AB, EN, LBK, at 0 V or V
CC
Pulse Generator
15 µs Duration
1% Duty Cycle
t
r
, t
f
≤ 100 ns
R
D at 0 V or V
CC
SN65HVD233
SN65HVD234
SN65HVD235
www.ti.com .............................................................................................................................................. SLLS557F – NOVEMBER 2002 – REVISED AUGUST 2008
PARAMETER MEASUREMENT INFORMATION (continued)
Figure 5. Receiver Voltage and Current Definitions
A. The input pulse is supplied by a generator having the following characteristics: Pulse repetition rate (PRR) ≤ 125 kHz,
50% duty cycle, t
r
≤ 6 ns, t
f
≤ 6 ns, Z
O
= 50 Ω .
B. C
L
includes fixture and instrumentation capacitance.
Figure 6. Receiver Test Circuit and Voltage Waveforms
Table 1. Differential Input Voltage Threshold Test
INPUT OUTPUT MEASURED
V
CANH
V
CANL
R |V
ID
|
– 6.1 V – 7 V L 900 mV
12 V 11.1 V L 900 mV
V
OL
– 1 V – 7 V L 6 V
12 V 6 V L 6 V
– 6.5 V – 7 V H 500 mV
12 V 11.5 V H 500 mV
– 7 V – 1 V H V
OH
6 V
6 V 12 V H 6 V
Open Open H X
NOTE: 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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