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6
AMI Semiconductor - Rev. 1.4, Oct. 04
www.amis.com
AMIS-30663
High Speed CAN Transceiver
Data Sheet
8.4 DC Characteristics
Table 6: Characteristics
Symbol
Supply (pin V
CC
and pin V
33
)
Parameter
Conditions
Min.
Typ.
Max.
Unit
I
CC
Supply current
Dominant; V
TXD
= 0V
Recessive; V
TXD
= VCC
V
33
= 3.3V; C
L
= 20pF; recessive
V
33
= 3.3V; C
L
= 20pF; 1Mbps
45
4
65
8
1
170
mA
mA
μ
A
μ
A
I
33
I
33
Transmitter Data Input (pin TxD)
V
IH
V
IL
I
IH
I
IL
C
i
Receiver Data Output (pin RxD)
V
OH
V
OL
I
oh
I
ol
Reference Voltage Output (V
REF
)
V
REF
I/O interface current
I/O interface current
(1)
HIGH-level input voltage
LOW-level input voltage
HIGH-level input current
LOW-level input current
Input capacitance
(1)
Output recessive
Output dominant
V
TxD
= V
33
V
TxD
= 0V
2.0
-1.3
-1
-50
-
-
-
V
CC
+0.8
+1
-300
10
V
V
0
μ
A
μ
A
-200
5
pF
HIGH-level input voltage
LOW-level input voltage
HIGH-level input voltage
(1)
I
RxD
= -10mA
I
RxD
= 5mA
V
RxD
= 0.7 x V
33
V
RxD
= 0.45V
0.7 x V
33
0.75 x V
33
0.18
-15
10
V
V
0.35
-20
15
-10
5
mA
mA
LOW-level input voltage
(1)
Reference output voltage
-50
μ
A < I
VREF
< +50
μ
A
-35V < V
CANH
< +35V
-35V < V
CANL
< +35V
0.45 X V
CC
0.50 X V
CC
0.55 X V
CC
V
V
REF_CM
Reference output voltage for full common-mode range
0.40 X V
CC
0.50 X V
CC
0.60 X V
CC
V
Bus Lines (pins CANH and CANL)
V
o(reces)(CANH)
V
o(reces)(CANL)
Recessive bus voltage at pin CANH
Recessive bus voltage at pin CANL
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
< R
LT
< 60
V
TxD
= V
CC
; recessive; no load
V
CANH
= 0V; V
TxD
= 0V
V
CANL
= 36V; V
TxD
= 0V
2.0
2.0
2.5
2.5
3.0
3.0
V
V
I
o(reces)(CANH)
Recessive output current at pin CANH
-2.5
-
+2.5
mA
I
o(reces)(CANL)
Recessive output current at pin CANL
-2.5
-
-2.5
mA
V
o(dom)(CANH)
V
o(dom)(CANL)
Dominant output voltage at pin CANH
Dominant output voltage at pin CANL
3.0
0.5
3.6
1.4
4.25
1.75
V
V
V
i(dif)(bus)
Differential bus input voltage (V
CANH
- V
CANL
)
1.5
2.25
3.0
V
I
o(sc)(CANH)
Short circuit output current at pin CANH
-120
-45
45
0
+50
-95
120
mV
mA
mA
-70
70
I
o(sc)(CANL)
Short circuit output current at pin CANL
V
i(dif)(th)
Differential receiver threshold voltage
-5V < V
CANL
< +12V;
-5V < V
CANH
< +12V; see Figure 5
0.5
0.7
0.9
V
V
ihcm(dif)(th)
Differential receiver threshold voltage for high common-mode
-35V < V
CANL
< +35V;
-35V < V
CANH
< +35V; see Figure 5
0.25
0.7
1.05
V
V
i(dif)(hys)
Differential receiver input voltage hysteresis
-35V < V
CANL
< +35V;
-35V < V
CANH
< +35V; see Figure 5
50
70
100
mV
R
i(cm)(CANH)
R
i(cm)(CANL)
Common-mode input resistance at pin CANH
Common-mode input resistance at pin CANL
15
15
25
25
37
37
k
k
R
i(cm)(m)
Matching between pin CANH and pin CANL common-mode input
resistance
V
CANH
= V
CANL
-3
0
+3
%
R
i(dif)
C
i(CANH)
C
i(CANL)
C
i(dif)
I
LI(CANH)
Differential input resistance
Input capacitance at pin CANH
Input capacitance at pin CANL
Differential input capacitance
Input leakage current at pin CANH
25
50
7.5
7.5
3.75
170
75
20
20
10
250
k
V
TxD
= V
CC
; not tested
V
TxD
= V
CC
; not tested
V
TxD
= V
CC
; not tested
V
CC
= 0V; V
CANH
= 5V
pF
pF
pF
μ
A
10