AMIS−30523
http://onsemi.com
13
Table 9. AC PARAMETER CAN TRANSCEIVER
The AC parameters are given for V
CC
and temperature in its operating range; T
J
= −40 to +150°C; R
LT
= 60 W unless otherwise specified
Symbol Pin(s) Parameter
Remark /
Test Conditions
Min Typ Max Unit
TIMING CHARACTERISTICS
t
d(TxD−BUSon)
Delay TXD to bus active C
l
= 100 pF between
CANH to CANL
40 85 105 ns
t
d(TxD−BUSoff)
Delay TXD to bus inactive C
l
= 100 pF between
CANH to CANL
30 60 105 ns
t
d(BUSon−RXD)
Delay bus active to RXD C
rxd
= 15 pF 25 55 105 ns
t
d(BUSoff−RXD)
Delay bus inactive to RXD C
rxd
= 15 pF 40 100 105 ns
t
pd(rec−dom)
Propagation delay TXD to RXD from
recessive to dominant
C
l
= 100 pF between
CANH to CANL
90 230 ns
t
d(dom−rec)
Propagation delay TXD to RXD from
dominant to recessive
C
l
= 100 pF between
CANH to CANL
90 245 ns
t
d(stb−nm)
Delay standby mode to normal mode 5 7.5 10
ms
t
dbus
Dominant time for wake−up via bus 0.75 2.5 5
ms
16.Characterization Data Only, not tested in production
AMIS−
30523
V
CC
GND
2
4
CANH
CANL
V
SPLIT
7
49
48
STB
51
RxD
6
TxD
52
1nF
100 nF
+5 V
20 pF
1nF
Transient
Generator
Figure 7. Test Circuit for Transients
V
RxD
V
i(dif)(hys)
High
Low
0.5
0.9
Hysteresis
Figure 8. Hysteresis of the Receiver
