 2016 Microchip Technology Inc.

DS20005533A-page 17

MCP2557FD/8FD

FIGURE 2-4:

TEST CIRCUIT FOR ELECTRICAL CHARACTERISTICS

FIGURE 2-5:

TEST CIRCUIT FOR AUTOMOTIVE TRANSIENTS

FIGURE 2-6:

HYSTERESIS OF THE RECEIVER

GND

RXD

TXD

RL

CL

15 pF

CANH

CANL

CAN

Transceiver

0.1 µF

VDD

S

Note:

On MCP2558FD, VIO is connected to VDD.

GND

RXD

TXD

RL

1000 pF

1000 pF

Note 1: On MCP2558FD, VIO is connected to VDD.

2: The wave forms of the applied transients should comply with ISO/DIS-7637, Part 1, test pulses 1, 2, 3a

and 3b.

CANH

CANL

CAN

Transceiver

Transient

Generator

S

VOH

VOL

0.5

0.9

VDIFF (H)(I)

VDIFF (V)

RXD (receive data

output voltage)

VDIFF (R)(I)

VDIFF (D)(I)