Philips Semiconductors
Product specification
High speed CAN transceiver
TJA1040
+
5 V
handbook, full pagewidth
47 µF
100 nF
V
CC
3
TXD
1
5
4
CANH
CANL
7
6
SPLIT
RXD
R
C
L
100 pF
L
TJA1040
60 Ω
2
8
15 pF
GND STB
MGW335
Fig.7 Test circuit for timing characteristics.
HIGH
LOW
handbook, full pagewidth
TXD
CANH
CANL
dominant
(BUS on)
0.9 V
0.5 V
(1)
V
i(dif)(bus)
RXD
recessive
(BUS off)
HIGH
0.7V
CC
0.3V
CC
LOW
t
t
d(TXD-BUSon)
t
d(TXD-BUSoff)
t
d(BUSon-RXD)
d(BUSoff-RXD)
t
t
PD TXD-RXD
(
)
(
)
PD TXD-RXD
MGS377
(1) Vi(dif)(bus) = VCANH − VCANL
.
Fig.8 Timing diagram.
10
2003 Oct 14
NXP [ NXP ]
