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AMIS-42675 Datasheet, PDF (7/12 Pages) AMI SEMICONDUCTOR – High-Speed Low Power CAN Transceiver | |||
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AMISâ42675
Table 6. DC CHARACTERISTICS VCC = 4.75 V to 5.25 V, TJ = â40°C to +150°C; RLT = 60 W unless specified otherwise.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
BUS LINES (Pins CANH and CANL)
Io(sc)(CANL)
Short Circuit Output Current at
VCANL = 36 V; VTxD = 0 V
45
70
120
mA
Pin CANL
Vi(dif) (th)
Differential Receiver Threshold
â5 V < VCANL < +12 V;
0.5
0.7
0.9
V
Voltage (see Figure 4)
â5 V < VCANH < +12V;
Vihcm(dif)(th)
Differential Receiver Threshold
35 V < VCANL < +35 V; â
0.40
0.7
1.00
V
Voltage for High CommonâMode 35 V < VCANH < +35 V;
(see Figure 4)
Vi(dif)(hys)
Differential Receiver Input Voltage â35 V < VCANL < +35 V;
50
70
100
mV
Hysteresis (see Figure 4)
â35 V < VCANH < +35 V;
Ri(cm)(CANH)
CommonâMode Input
Resistance at Pin CANH
15
26
37
kW
Ri(cm)(CANL)
CommonâMode Input
Resistance at Pin CANL
15
26
37
kW
Ri(cm)(m)
Matching Between Pin CANH
and Pin CANL Common Mode
Input Resistance
VCANH = VCANL
â3
0
+3
%
Ri(dif)
Differential Input Resistance
Ci(CANH)
Input Capacitance at Pin CANH
Ci(CANL)
Input Capacitance at Pin CANL
Ci(dif)
Differential Input Capacitance
COMMONâMODE STABILIZATION (Pin VSPLIT)
VSPLIT
Reference Output Voltage at
Pin VSPLIT
ISPLIT(i)
VSPLIT Leakage Current
ISPLIT(lim)
VSPLIT Limitation Current
POWERâONâRESET (POR)
VTxD = VCC; Not Tested
VTxD = VCC; Not Tested
VTxD = VCC; Not Tested
Normal Mode;
â500 mA < ISPLIT < 500 mA
Standby Mode
Normal Mode
25
0.3 x
VCC
â5
â3
50
75
kW
7.5
20
pF
7.5
20
pF
3.75
10
pF
â
0.7 x VCC
+5
mA
+3
mA
PORL
POR Level
CANH, CANL, Vref in
TriâState Below POR
Level
2.2
3.5
4.7
V
THERMAL SHUTDOWN
TJ(sd)
Shutdown Junction Temperature
TIMING CHARACTERISTICS (see Figures 3 and 4)
150
160
180
°C
td(TxDâBUSon)
Delay TXD to Bus Active
Cl = 100 pF between
CANH to CANL
40
85
105
ns
td(TxDâBUSoff)
Delay TXD to Bus Inactive
Cl = 100 pF between
CANH to CANL
30
60
105
ns
td(BUSonâRXD)
td(BUSoffâRXD)
tpd(recâdom)
Delay Bus Active to RXD
Delay Bus Inactive to RXD
Propagation Delay TXD to RXD
from Recessive to Dominant
Crxd = 15 pF
Crxd = 15 pF
Cl = 100 pF between
CANH to CANL
25
55
105
ns
40
100
105
ns
90
230
ns
td(domârec)
Propagation delay TXD to RXD
Cl = 100 pF between
90
from Dominant to Recessive
CANH to CANL
245
ns
td(stbânm)
Delay Standby Mode to Normal
Mode
5
7.5
10
ms
tdbus
Dominant Time for Wakeâup via
Bus
0.75
2.5
5
ms
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