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AMIS42670
http://onsemi.com
2
Table 1. TECHNICAL CHARACTERISTICS
Symbol
Parameter
Condition
Max
Unit
VCANH
DC Voltage at Pin CANH
0 < VCC < 5.25 V; no time limit
45
+45
V
VCANL
DC Voltage at Pin CANL
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
tpd(recdom)
Propagation Delay TxD to RxD
70
245
ns
tpd(domrec)
Propagation Delay TxD to RxD
100
245
ns
CMrange
Input CommonMode Range for
Comparator
Guaranteed Differential Receiver Threshold
and Leakage Current
35
+35
V
VCMpeak
CommonMode Peak
See Figures
7 and
8 (Note
1)500
mV
VCMstep
CommonMode Step
See Figures
7 and
8 (Note
1)150
mV
1. The parameters VCMpeak and VCMstep guarantee low electromagnetic emission.
CANH
CANL
AMIS42670
GND
RxD
VCC
2
7
6
5
S
1
Driver
Control
Thermal
Shutdown
VCC
8
4
TxD
3
VREF
COMP
Vcc/2
+
Ri(cm)
Figure 1. Block Diagram
PD20070831.4
Table 2. PIN DESCRIPTION
Pin
Name
Description
1
TxD
Transmit Data Input; Low Input → Dominant Driver; Internal Pullup Current
2
GND
Ground
3
VCC
Supply Voltage
4
RxD
Receive Data Output; Dominant Transmitter → Low Output
5
VREF
Reference Voltage Output
6
CANL
LowLevel CAN Bus Line (Low in Dominant Mode)
7
CANH
HighLevel CAN Bus Line (High in Dominant Mode)
8
S
Silent Mode Control Input; Internal Pulldown Current