AMIS-42671 High-Speed CAN Transceiver
For Long Networks
8.4 DC and Timing Characteristics
V
CC
= 4.75 to 5.25V; T
junc
= -40 to +150°C; R
LT
=60Ω
unless specified otherwise.
Table 6: DC and Timing Characteristics
Symbol
Parameter
Supply (Pin V
CC
)
I
CC
Supply current
Transmitter Data Input (Pin TxD)
V
IH
High-level input voltage
V
IL
Low-level input voltage
I
IH
High-level input current
I
IL
Low-level input current
C
i
Input capacitance
Mode Select (Pin AUTB)
V
IH
High-level input voltage
V
IL
Low-level input voltage
I
IH
High-level input current
I
IL
Low-level input current
Receiver Data Output (Pin RxD)
V
OH
High-level output voltage
Conditions
Min.
Typ.
Max.
Data Sheet
Unit
Dominant; V
TXD
= 0V
Recessive; V
TXD
= V
CC
Output recessive
Output dominant
V
TxD
= V
CC
V
TxD
= 0V
Not tested
Autobaud mode
High-speed mode
V
S
=2V
V
S
=0.8V
I
RXD
= - 10mA
I
RXD
= 6mA
-50µA < I
VREF
< +50µA
-35V <V
CANH
< +35V;
-35V <V
CANL
< +35V
V
TxD
= V
CC
; no load
V
TxD
= V
CC
; no load
-35V <V
CANH
< +35V;
0V <V
CC
< 5.25V
-35V <V
CANL
< +35V;
0V <V
CC
< 5.25V
V
TxD
= 0V
V
TxD
= 0V
V
TxD
= 0V; dominant;
42.5
Ω
< R
LT
< 60
Ω
V
TxD
=V
CC
; recessive;
No load
V
CANH
= 0V; V
TxD
= 0V
V
CANL
= 36V; V
TxD
= 0V
-5V <V
CANL
< +10V;
-5V <V
CANH
< +10V;
See Figure 6
-35V <V
CANL
< +35V;
-35V <V
CANH
< +35V;
See Figure 6
-5V <V
CANL
< +10V;
-5V <V
CANH
< +10V;
See Figure 6
25
2
2.0
-0.3
-1
-75
-
2.0
-0.3
20
15
0.6 x V
CC
45
4
-
-
0
-200
5
-
-
30
30
0.75 x
V
CC
0.25
0.50 x
V
CC
0.50 x
V
CC
2.5
2.5
-
-
3.6
1.4
2.25
0
-70
70
0.7
0.7
70
25
25
0
50
0
50
65
8
V
CC
+0.3
+0.8
+1
-350
10
V
CC
+0.3
+0.8
50
45
mA
mA
V
V
µA
µA
pF
V
V
µA
µA
V
V
OL
Low-level output voltage
Reference Voltage Output (Pin V
REF
)
V
REF
Reference output voltage
Reference output voltage for full common
mode range
Bus Lines (Pins CANH and CANL)
V
o(reces)(CANH)
Recessive bus voltage at pin CANH
V
o(reces)(CANL)
Recessive bus voltage at pin CANL
I
o(reces) (CANH)
Recessive output current at pin CANH
I
o(reces) (CANL)
V
o(dom) (CANH)
V
o(dom) (CANL)
V
i(dif) (bus)
Recessive output current at pin CANL
Dominant output voltage at pin CANH
Dominant output voltage at pin CANL
Differential bus input voltage
(V
CANH
- V
CANL
)
Short circuit output current at pin CANH
Short circuit output current at pin CANL
Differential receiver threshold voltage
Differential receiver threshold voltage for
high common-mode
Differential receiver input voltage hysteresis
Common-mode input resistance at pin
CANH
Common-mode input resistance at pin
CANL
Matching between pin CANH and pin CANL
common-mode input resistance
Differential input resistance
Matching between pin CANH and pin CANL
common-mode input resistance
Differential input resistance
V
REF_CM
0.45
0.55 x V
CC
0.60 x V
CC
3.0
3.0
+2.5
+2.5
4.25
1.75
3.0
+50
-95
120
0.9
1.05
100
37
37
+3
75
+3
75
V
V
V
V
V
mA
mA
V
V
V
mV
mA
mA
V
V
mV
K
Ω
K
Ω
%
K
Ω
%
K
Ω
0.45 x V
CC
0.40 x V
CC
2.0
2.0
-2.5
-2.5
3.0
0. 5
1.5
-120
-45
45
0.5
0.25
50
15
15
I
o(sc) (CANH)
I
o(sc) (CANL)
V
i(dif)(th)
V
ihcm(dif) (th)
V
i(dif) (hys)
R
i(cm)(CANH)
R
i(cm) (CANL)
R
i(cm)(m)
R
i(dif)
R
i(cm)(m)
R
i(dif)
V
CANH
=V
CANL
V
CANH
=V
CANL
-3
25
-3
25
AMI Semiconductor
– Oct. 07, Rev. 1.0
6
www.amis.com
Specifications subject to change without notice
AMI [ AMI SEMICONDUCTOR ]
