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AMIS42700
http://onsemi.com
2
Table 1. Technical Characteristics
Symbol
Parameter
Conditions
Min.
Max.
Unit
VCANHx
DC voltage at pin CANH1/2
0 < VCC < 5.25 V; no time limit
45
+45
V
VCANLx
DC voltage at pin CANL1/2
0 < VCC < 5.25 V; no time limit
45
+45
V
Vo(dif)(bus_dom)
Differential bus output voltage in dominant state
42.5 W < RLT < 60 W
1.5
3
V
CMrange
Input commonmode range for comparator
Guaranteed differential receiver
threshold and leakage current
35
+35
V
VCMpeak
Commonmode peak
See Figures
9 and
10 (Note
1)1000
mV
VCMstep
Commonmode step
See Figures
9 and
10 (Note
1)250
mV
1. The parameters VCMpeak and VCMstep guarantee low EME.
CANH1
CANL1
AMIS42700
GND
Rx0
VREF
19
18
Driver
control
clock
COMP
Vcc/2
+
Ri(cm)
Timer
Logic
Unit
8
Driver
control
Thermal
shutdown
COMP
Vcc/2
+
Ri(cm)
Timer
POR
10
3
4
7
9
25
6
15
16 17
13
14
12
F
eedbe
ck
Surpressi
on
F
eedbe
ck
Surpressi
on
Rint
Tx0
Text
ENB1
ENB2
VCC
CANH2
CANL2
VCC
Figure 1. Block Diagram
Typical Application
Application Description
AMIS42700 is especially designed to provide the link
between a CAN controller (protocol IC) and two physical
busses. It is able to operate in three different modes:
Dual CAN
A CANbus extender
A CANbus repeater