AMIS-42670 High-Speed CAN Transceiver
Data Sheet
For Long Networks
8.4 DC and Timing Characteristics
VCC = 4.75 to 5.25V; Tjunc = -40 to +150°C; RLT =60 unless specified otherwise.
Table 6: DC and Timing Characteristics
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Supply (Pin VCC)
ICC
Supply current
Dominant; VTXD = 0V
Recessive; VTXD = VCC
25
2
45
4
65
8
mA
Transmitter Data Input (Pin TxD)
VIH
High-level input voltage
Output recessive
2.0
-
VCC+0.3
V
VIL
Low-level input voltage
Output dominant
-0.3
-
+0.8
V
IIH
High-level input current
VTxD = VCC
-1
0
+1
A
IIL
Low-level input current
VTxD = 0V
-75
-200
-350
A
Ci
Input capacitance
Not tested
-
5
10
pF
Mode Select (Pin S)
VIH
High-level input voltage
Silent mode
2.0
-
VCC+0.3
V
VIL
Low-level input voltage
High-speed mode
-0.3
-
+0.8
V
IIH
High-level input current
VS =2V
20
30
50
A
IIL
Low-level input current
VS =0.8V
15
30
45
A
Receiver Data Output (Pin RxD)
VOH
High-level output voltage
IRXD = - 10mA
0.6 x VCC
0.75 x
VCC
V
VOL
Low-level output voltage
IRXD = 6mA
0.25
0.45
V
Reference Voltage Output (Pin VREF)
VREF
Reference output voltage
-50A < IVREF < +50A
0.45 x VCC
0.50 x
VCC
0.55 x VCC
V
VREF_CM
Reference output voltage for full common
mode range
-35V <VCANH< +35V;
-35V <VCANL< +35V
0.40 x VCC
0.50 x
VCC
0.60 x VCC
V
Bus Lines (Pins CANH and CANL)
Vo(reces)(CANH)
Recessive bus voltage at pin CANH
VTxD = VCC; no load
2.0
2.5
3.0
V
Vo(reces)(CANL)
Recessive bus voltage at pin CANL
VTxD = VCC; no load
2.0
2.5
3.0
V
Io(reces) (CANH)
Recessive output current at pin CANH
-35V <VCANH< +35V;
0V <VCC < 5.25V
-2.5
-
+2.5
mA
Io(reces) (CANL)
Recessive output current at pin CANL
-35V <VCANL < +35V;
0V <VCC < 5.25V
-2.5
-
+2.5
mA
Vo(dom) (CANH)
Dominant output voltage at pin CANH
VTxD = 0V
3.0
3.6
4.25
V
Vo(dom) (CANL)
Dominant output voltage at pin CANL
VTxD = 0V
0. 5
1.4
1.75
V
VTxD = 0V; dominant;
42.5
< RLT < 60
1.5
2.25
3.0
V
Vi(dif) (bus)
Differential bus input voltage
(VCANH - VCANL)
VTxD =VCC; recessive;
No load
-120
0
+50
mV
Io(sc) (CANH)
Short circuit output current at pin CANH
VCANH = 0V; VTxD = 0V
-45
-70
-95
mA
Io(sc) (CANL)
Short circuit output current at pin CANL
VCANL = 36V; VTxD = 0V
45
70
120
mA
Vi(dif)(th)
Differential receiver threshold voltage
-5V <VCANL < +10V;
-5V <VCANH < +10V;
0.5
0.7
0.9
V
Vihcm(dif) (th)
Differential receiver threshold voltage for
high common-mode
-35V <VCANL < +35V;
-35V <VCANH < +35V;
0.25
0.7
1.05
V
Vi(dif) (hys)
Differential receiver input voltage hysteresis
-5V <VCANL < +10V;
-5V <VCANH < +10V;
50
70
100
mV
Ri(cm)(CANH)
Common-mode input resistance at pin
CANH
15
25
37
K
Ri(cm) (CANL)
Common-mode input resistance at pin
CANL
15
25
37
K
Ri(cm)(m)
Matching between pin CANH and pin CANL
common-mode input resistance
VCANH =VCANL
-3
0
+3
%
Ri(dif)
Differential input resistance
25
50
75
K
Ri(cm)(m)
Matching between pin CANH and pin CANL
common-mode input resistance
VCANH =VCANL
-3
0
+3
%
Ri(dif)
Differential input resistance
25
50
75
K
6
AMI Semiconductor
– October 07, Rev. 1.0
www.amis.com Specifications subject to change without notice