AMIS42665
http://onsemi.com
7
CHARACTERISTICS VCC = 4.75 V to 5.25 V; TJ = 40°C to +150°C; RLT = 60 W unless specified otherwise.
Symbol
Unit
Max
Typ
Min
Conditions
Parameter
BUS LINES (PINS CANH AND CANL)
Io(sc) (CANL)
Short Circuit Output Current at Pin CANL
VCANL = 36 V; VTxD = 0 V
45
70
120
mA
Vi(dif) (th)
Differential Receiver Threshold Voltage
5 V < VCANL < +12 V; 5 V
< VCANH < +12 V;
0.5
0.7
0.9
V
Vihcm(dif) (th)
Differential Receiver Threshold Voltage for
High CommonMode (See Figure
6)35 V < VCANL < +35 V;
35 V < VCANH < +35 V;
0.40
0.7
1.00
V
Vi(dif) (hys)
Differential Receiver Input Voltage
Hysteresis (see Figure
6)35 V < VCANL < +35 V;
35 V < VCANH < +35 V;
50
70
100
mV
Ri(cm) (CANH)
CommonMode Input Resistance at Pin
CANH
15
26
37
kW
Ri(cm) (CANL)
CommonMode 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
3
0
+3
%
Ri(dif)
Differential Input Resistance
25
50
75
kW
Ci(CANH)
Input Capacitance at Pin CANH
VTxD = VCC; Not Tested
7.5
20
pF
Ci(CANL)
Input Capacitance at Pin CANL
VTxD = VCC; Not Tested
7.5
20
pF
Ci(dif)
Differential Input Capacitance
VTxD = VCC; Not Tested
3.75
10
pF
COMMONMODE STABILIZATION (PIN VSPLIT)
VSPLIT
Reference Output Voltage at Pin VSPLIT
Normal Mode;
500 mA < ISPLIT < 500 mA
0.3 x
VCC
0.7 x
VCC
ISPLIT(i)
VSPLIT Leakage Current
Standby Mode
5
+5
mA
ISPLIT(lim)
VSPLIT Limitation Current
Normal Mode
3
+3
mA
POWERONRESET (POR)
PORL
POR Level
CANH, CANL in
TriState Below POR Level
2.2
3.5
4.5
V
THERMAL SHUTDOWN
TJ(sd)
Shutdown Junction Temperature
150
160
180
°C
TIMING CHARACTERISTICS (see Figures
7 and
8) td(TxDBUSon)
Delay TXD to Bus Active
Cl = 100 pF Between CANH
to CANL
40
85
105
ns
td(TxDBUSoff)
Delay TXD to Bus Inactive
Cl = 100 pF Between CANH
to CANL
30
60
105
ns
td(BUSonRXD)
Delay Bus Active to RXD
Crxd = 15 pF
25
55
105
ns
td(BUSoffRXD)
Delay Bus Inactive to RXD
Crxd = 15 pF
40
100
105
ns
tpd(recdom)
Propagation Delay TXD to RXD from
RecessivetoDominant
Cl = 100 pF Between CANH
to CANL
90
230
ns
td(domrec)
Propagation Delay TXD to RXD from
DominanttoRecessive
Cl = 100 pF Between CANH
to CANL
90
245
ns
td(stbnm)
Delay Standby Mode to Normal Mode
5
7.5
10
ms
tdbus
Dominant Time for Wakeup via Bus
0.75
2.5
5
ms
tdom(TxD)
TxD Dominant Time for Time Out
VTxD = 0 V
300
650
1000
ms
Baudrate
Communication Speed Achievable
40k
1M
bps