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ISL72028SEH Datasheet, PDF (8/19 Pages) Intersil Corporation – 3.3V Radiation Tolerant CAN Transceiver, 1Mbps, Low Power Shutdown, Split Termination Output | |||
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ISL72028SEH
Test Circuits and Waveforms (Continued)
CAN_H
R
15pF VO
CAN_L
VIN
GND
1.5V
VCANH
VDIFF
VCANL
CAN_H
CAN_L
R
GND
VO
VIN = 125kHz, Duty Cycle 50%, tr = tf ⤠6ns, ZO = 50Ω
CL includes test setup capacitance
FIGURE 14B. RECEIVER TEST CIRCUIT
tr
tf
50%
VO
tPLH
VIN
90%
10%
50%
tPHL
VOH
VOL
2.9V
2.2V
FIGURE 14A. RECEIVER VOLTAGE DEFINITIONS
1.5V
FIGURE 14C. RECEIVER TEST MEASUREMENT POINTS
FIGURE 14. RECEIVER TEST
INPUT
VCANH
VCANL
â6.1V
â7V
12V
11.1V
â1V
â7V
12V
6V
â6.5V
â7V
12V
11.5V
â7V
â1V
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
FN8764.1
November 9, 2015
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