AMIS-42675 High-Speed Low Power CAN Transceiver
For Long Networks
Data Sheet
8.4 Characteristics
VCC = 4.75 to 5.25V; Tjunc = -40 to +150°C; RLT =60Ω unless specified otherwise.
Table 7: Characteristics
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Supply (pin VCC
ICC
)
Supply current
45
4
65
8
mA
mA
Dominant; VTxD = 0V
Recessive; VTxD = VCC
Tjunc,max = 100°C
Supply current in standby mode
10
15
µA
ICCS
Transmitter Data Input (pin TxD)
High-level input voltage
Output recessive
Output dominant
2.0
-0.3
-5
-
VCC + 0.3
+0.8
+5
V
VIH
VIL
IIH
IIL
Low-level input voltage
High-level input current
Low-level input current
Input capacitance
-
0
V
µA
µA
pF
V
V
TxD =VCC
TxD = 0V
-75
-
-200
5
-350
10
Not tested
Ci
Transmitter Mode Select (pin STB)
High-level input voltage
Standby mode
Normal mode
2.0
-0.3
-5
-
-
VCC + 0.3
+0.8
+5
V
VIH
VIL
IIH
IIL
Low-level input voltage
High-level input current
Low-level input current
Input capacitance
V
0
-4
5
µA
µA
pF
V
V
STB =VCC
STB = 0V
-1
-10
Not tested
-
10
Ci
Receiver Data Output (pin RxD)
High-level output voltage
0.6 x VCC
0.75 x VCC
0.45
V
V
VOH
VOL
Ioh
I
I
RXD = -10mA
RXD = 5mA
Low-level output voltage
High-level output current
Low-level output current
0.25
-10
10
-5
5
-15
mA
mA
Vo = 0.7 x VCC
Vo = 0.3 x VCC
15
Iol
Bus Lines (pins CANH and CANL)
Recessive bus voltage
2.0
-100
-2.5
-2.5
2.5
3.0
100
+2.5
+2.5
V
Vo(reces) (norm)
Vo(reces) (stby)
Io(reces) (CANH)
Io(reces) (CANL)
V
TxD = VCC; no load
normal mode
TxD = VCC; no load
Recessive bus voltage
0
-
mV
mA
mA
V
standby mode
Recessive output current at pin CANH
Recessive output current at pin CANL
-35V <VCANH< +35V;
0V <VCC < 5.25V
-35V <VCANL < +35V;
0V <VCC < 5.25V
-
Dominant output voltage at pin CANH
Dominant output voltage at pin CANL
Differential bus output voltage
3.0
0. 5
1.5
3.6
1.4
4.25
1.75
3.0
V
V
V
Vo(dom) (CANH)
Vo(dom) (CANL)
Vo(dif) (bus_dom)
V
V
V
TxD = 0V
TxD = 0V
TxD = 0V; dominant;
2.25
(VCANH - VCANL
Differential bus output voltage
(VCANH - VCANL
)
42.5Ω < RLT < 60Ω
TxD = VCC; recessive;
no load
V
-120
0
+50
mV
Vo(dif) (bus_rec)
)
Short circuit output current at pin CANH
-45
45
-70
70
-120
120
0.9
mA
mA
V
Io(sc) (CANH)
Io(sc) (CANL)
Vi(dif) (th)
V
V
CANH = 0V; VTxD = 0V
CANL = 36V; VTxD = 0V
Short circuit output current at pin CANL
Differential receiver threshold voltage
(see Figure 5)
0.5
0.7
-5V <VCANL < +12V;
-5V <VCANH < +12V;
Differential receiver threshold voltage for high -35V <VCANL < +35V;
0.40
50
0.7
70
1.00
100
V
Vihcm(dif) (th)
Vi(dif) (hys)
common-mode (see Figure 5)
-35V <VCANH < +35V;
-35V <VCANL < +35V;
-35V <VCANH < +35V;
Differential receiver input voltage hysteresis
(see Figure 5
mV
Common-mode input resistance at pin CANH
15
15
-3
26
26
0
37
37
+3
KΩ
KΩ
%
Ri(cm) (CANH)
Ri(cm) (CANL)
Ri(cm) (m)
Common-mode input resistance at pin CANL
Matching between pin CANH and pin CANL
common mode input resistance
VCANH = VCANL
Differential input resistance
25
50
7.5
75
20
20
10
KΩ
pF
pF
pF
Ri(dif)
Input capacitance at pin CANH
Input capacitance at pin CANL
Differential input capacitance
Ci(CANH)
Ci(CANL)
Ci(dif)
VTxD = VCC; not tested
VTxD = VCC; not tested
VTxD = VCC; not tested
7.5
3.75
AMI Semiconductor –October 07, Rev. 1.0
www.amis.com Specifications subject to change without notice
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