AMIS-42700 Datasheet, PDF (2/14 Pages) AMI SEMICONDUCTOR – Dual High-Speed CAN Transceiver

AMIS−42700
Table 1. Technical Characteristics
Symbol
Parameter
V_CANHx
V_CANLx
V_{o(dif)(bus_dom)}
CM−range
DC voltage at pin CANH1/2
DC voltage at pin CANL1/2
Differential bus output voltage in dominant state
Input common−mode range for comparator
V_CM−peak
Common−mode peak
V_CM−step
Common−mode step
1. The parameters V_CM−peak and V_CM−step guarantee low EME.
Thermal
shutdown
VCC
12
POR
Conditions
0 < V_CC < 5.25 V; no time limit
0 < V_CC < 5.25 V; no time limit
42.5 W < R_LT < 60 W
Guaranteed differential receiver
threshold and leakage current
See Figures 9 and 10 (Note 1)
See Figures 9 and 10 (Note 1)
clock
Min. Max. Unit
−45 +45
V
−45 +45
V
1.5
3
V
−35 +35
V
−1000 1000 mV
−250 250 mV
CANH1 ¹³
CANL1
14
AMIS−42700
Driver
control
Timer
Vcc/2
+
Ri(cm)
COMP
Ri(cm)
Logic
Unit
VCC
VCC
VCC
VCC
Timer
Driver
control
COMP
Ri(cm)
Vcc/2
+
Ri(cm)
19
CANH2
18 ^CANL2
8
V_REF
10
3
4
7
9
2
5
ENB1 Text Tx0 Rx0 ^Rint ENB2
Figure 1. Block Diagram
6 ¹⁵
GND
16 17
Typical Application
Application Description
AMIS−42700 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 CAN−bus extender
• A CAN−bus repeater
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