1999 Sep 27

9

Philips Semiconductors

Preliminary specification

High speed CAN transceiver

TJA1050

Fig.5 Hysteresis of the receiver.

handbook, full pagewidth

MGS378

VRXD

HIGH

LOW

hysteresis

0.5

0.9

Vi(dif)(bus)

Fig.6 Test circuit for automotive transients.

The waveforms of the applied transients shall be in accordance with

“ISO 7637 part 1”, test pulses 1, 2, 3a and 3b.

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MGS379

VCC

Vref

RXD

TJA1050

1 nF

TRANSIENT

GENERATOR

1 nF

CANH

CANL

7

6

8

2

GND

S

15 pF

4

5

TXD

1

3

100

nF

47

µF

+5 V