ISL72027SEH Datasheet, PDF (8/18 Pages) Intersil Corporation – 3.3V Radiation Tolerant CAN Transceiver, 1Mbps, Listen Mode, Split Termination Output

ISL72027SEH
Test Circuits and Waveforms (Continued)
CAN_H
R
15pF V_O
CAN_L
V_IN
GND
1.5V
VCANH
VDIFF
VCANL
CAN_H
CAN_L
R
V_O
GND
V_IN = 125kHz, Duty Cycle 50%, t_r = t_f = 6ns, Z_O = 50Ω
C_L includes test setup capacitance
FIGURE 14B. RECEIVER TEST CIRCUIT
t_r
t_f
50%
V_O
t_PLH
V_IN
90%
10%
50%
t_PHL
V_OH
V_OL
2.9V
2.2V
1.5V
FIGURE 14A. RECEIVER VOLTAGE DEFINITIONS
FIGURE 14C. RECEIVER TEST MEASUREMENT POINTS
FIGURE 14. RECEIVER TEST
INPUT
VCANH
VCANL
–6.1V
–7V
12V
11.1V
–1V
–7V
12V
6V
–6.5V
–7V
12V
11.5V
–7V
–1V
6V
12V
Open
Open
OUTPUT
R
L
L
L
L
H
H
H
H
H
MEASURED
VDIFF
900mV
900mV
6V
6V
500mV
500mV
6V
6V
X
FIGURE 15. DIFFERENTIAL INPUT VOLTAGE THRESHOLD TEST
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8
FN8763.1
November 9, 2015