AMIS−42665
http://onsemi.com
7
CHARACTERISTICS V
CC
= 4.75 V to 5.25 V; T
J
= −40°C to +150°C; R
LT
= 60 W unless specified otherwise.
Symbol UnitMaxTypMinConditionsParameter
BUS LINES (PINS CANH AND CANL)
I
o(sc)
(CANL)
Short Circuit Output Current at Pin CANL V
CANL
= 36 V; V
TxD
= 0 V 45 70 120 mA
V
i(dif)
(th)
Differential Receiver Threshold Voltage
(see Figure 6)
−5 V < V
CANL
< +12 V; −5 V
< V
CANH
< +12 V;
0.5 0.7 0.9 V
V
ihcm(dif)
(th)
Differential Receiver Threshold Voltage for
High Common−Mode (See Figure 6)
−35 V < V
CANL
< +35 V;
−35 V < V
CANH
< +35 V;
0.40 0.7 1.00 V
V
i(dif)
(hys)
Differential Receiver Input Voltage
Hysteresis (see Figure 6)
−35 V < V
CANL
< +35 V;
−35 V < V
CANH
< +35 V;
50 70 100 mV
R
i(cm)
(CANH)
Common−Mode Input Resistance at Pin
CANH
15 26 37
kW
R
i(cm)
(CANL)
Common−Mode Input Resistance at Pin
CANL
15 26 37
kW
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)
Differential Input Resistance 25 50 75
kW
C
i(CANH)
Input Capacitance at Pin CANH V
TxD
= V
CC
; Not Tested 7.5 20 pF
C
i(CANL)
Input Capacitance at Pin CANL V
TxD
= V
CC
; Not Tested 7.5 20 pF
C
i(dif)
Differential Input Capacitance V
TxD
= V
CC
; Not Tested 3.75 10 pF
COMMON−MODE STABILIZATION (PIN V
SPLIT
)
V
SPLIT
Reference Output Voltage at Pin V
SPLIT
Normal Mode;
−500 mA < I
SPLIT
< 500 mA
0.3 x
V
CC
− 0.7 x
V
CC
I
SPLIT(i)
V
SPLIT
Leakage Current Standby Mode −5 +5
mA
I
SPLIT(lim)
V
SPLIT
Limitation Current Normal Mode −3 +3 mA
POWER−ON−RESET (POR)
PORL
POR Level CANH, CANL in
Tri−State Below POR Level
2.2 3.5 4.5 V
THERMAL SHUTDOWN
T
J(sd)
Shutdown Junction Temperature 150 160 180 °C
TIMING CHARACTERISTICS (see Figures 7 and 8)
t
d(TxD−BUSon)
Delay TXD to Bus Active C
l
= 100 pF Between CANH
to CANL
40 85 105 ns
t
d(TxD−BUSoff)
Delay TXD to Bus Inactive C
l
= 100 pF Between CANH
to CANL
30 60 105 ns
t
d(BUSon−RXD)
Delay Bus Active to RXD C
rxd
= 15 pF 25 55 105 ns
t
d(BUSoff−RXD)
Delay Bus Inactive to RXD C
rxd
= 15 pF 40 100 105 ns
t
pd(rec−dom)
Propagation Delay TXD to RXD from
Recessive−to−Dominant
C
l
= 100 pF Between CANH
to CANL
90 230 ns
t
d(dom−rec)
Propagation Delay TXD to RXD from
Dominant−to−Recessive
C
l
= 100 pF Between CANH
to CANL
90 245 ns
t
d(stb−nm)
Delay Standby Mode to Normal Mode 5 7.5 10
ms
t
dbus
Dominant Time for Wake−up via Bus 0.75 2.5 5
ms
t
dom(TxD)
TxD Dominant Time for Time Out V
TxD
= 0 V 300 650 1000
ms
Baudrate Communication Speed Achievable 40k 1M bps
