AMIS−30523
http://onsemi.com
12
Table 8. DC PARAMETERS CAN TRANSCEIVER
(The DC parameters are given for V
CC
and temperature in its operating range; T
J
= −40 to +150°C; R
LT
= 60 W unless otherwise
specified) Convention: currents flowing in the circuit are defined as positive.
Symbol UnitMaxTypMin
Remark /
Test Conditions
ParameterPin(s)
BUS LINES
V
o(reces)
(norm)
CANH
CANL
Recessive bus voltage V
TxD
= V
CC
; no load
normal mode
2.0 2.5 3.0 V
V
o(reces)
(stby)
Recessive bus voltage V
TxD
= V
CC
; no load
standby mode
−100 0 100 mV
I
o(reces)
(CANH)
Recessive output current at pin CANH −35 V < V
CANH
< +35 V;
0 V < V
CC
< 5.25 V
−2.5 − +2.5 mA
I
o(reces)
(CANL)
Recessive output current at pin CANL −35 V <V
CANL
< +35 V;
0 V <V
CC
< 5.25 V
−2.5 − +2.5 mA
V
o(dom)
(CANH)
Dominant output voltage at pin CANH V
TxD
= 0 V 3.0 3.6 4.25 V
V
o(dom)
(CANL)
Dominant output voltage at pin CANL V
TxD
= 0 V 0. 5 1.4 1.75 V
V
o(dif)
(bus_dom)
Differential bus output voltage
(
V
CANH
− V
CANL
)
V
TxD
= 0 V; dominant;
42.5 W < R
LT
< 60 W
1.5 2.25 3.0 V
V
o(dif)
(bus_rec)
Differential bus output voltage
(V
CANH
− V
CANL
)
V
TxD
= V
CC
; recessive;
no load
−120 0 +50 mV
I
o(sc)
(CANH)
Short circuit output current at pin CANH V
CANH
= 0 V; V
TxD
= 0 V −45 −70 −120 mA
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 8)
−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 8))
−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 8)
−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)
CANH
CANL
Input capacitance at pin CANH V
TxD
= V
CC
; (Note 15) 7.5 20 pF
C
i(CANL)
Input capacitance at pin CANL V
TxD
= V
CC
; (Note 15) 7.5 20 pF
C
i(dif)
Differential input capacitance V
TxD
= V
CC
; (Note 15) 3.75 10 pF
COMMON−MODE STABILIZATION
V
SPLIT
VSPLIT
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 Stand−by 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, V
ref
in
tri−state below POR
level
2.2 3.5 4.7 V
15.Characterization Data Only, not tested in production.
