Microchip Technology MCP2551-E/SN Linear IC MCP2551-E/SN Data Sheet
Product codes
MCP2551-E/SN
© 2010 Microchip Technology Inc.
DS21667F-page 11
MCP2551
FIGURE 2-1:
TEST CIRCUIT FOR ELECTRICAL CHARACTERISTICS
FIGURE 2-2:
TEST CIRCUIT FOR AUTOMOTIVE TRANSIENTS
FIGURE 2-3:
HYSTERESIS OF THE RECEIVER
R
S
Rext
GND
RXD
V
REF
TXD
60
Ω
100 pF
30 pF
CANH
CANL
CAN
Transceiver
Note:
R
S
may be connected to V
DD
or GND via a load resistor depending on desired
operating mode as described in Section 1.7.3 “Supply Voltage (V
)”.
0.1µF
V
DD
R
S
Rext
GND
RXD
V
REF
TXD
60
Ω
500 pF
500 pF
Note:
R
S
may be connected to V
DD
or
GND via a load resistor depending
on desired operating mode as
described in Section 1.7.8 “Slope
Resistor Input (Rs)”.
on desired operating mode as
described in Section 1.7.8 “Slope
Resistor Input (Rs)”.
CANH
CANL
CAN
Transceiver
Schaffner
Generator
The wave forms of the applied transients shall be in accordance with “ISO-7637, Part 1”, test pulses 1, 2, 3a and 3b.
V
OH
V
OL
0.5
0.9
hysteresis
D19
V
DIFF
(V)
RXD (receive data
output voltage)
output voltage)
V
DIFF
(r)(i)
V
DIFF
(d)(i)