NCV7342
www.onsemi.com
10
Table 6. CHARACTERISTICS
V
CC
= 4.5 V to 5.5 V; V
IO
= 2.8V to 5.5 V (Note 10); T
J
= −40 to +150°C; R
LT
= 60 W unless specified otherwise. On chip versions
without V
IO
pin reference voltage for all digital inputs and outputs is V
CC
instead of V
IO
.
Symbol UnitMaxTypMinConditionsParameter
BUS LINES (Pins CANH and CANL)
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;
45 W < R
LT
< 65 W
1.5 2.25 3.0 V
V
o(dif)
(bus_rec)
Differential bus output voltage
(V
CANH
− V
CANL
)
V
TxD
= V
IO
; recessive;
no load
−120 0 +50 mV
V
o(sym)
(bus_dom)
Bus output voltage symmetry
V
CANH
+ V
CANL
V
TxD
= 0 V 0.9 1.1 V
CC
I
o(sc)
(CANH)
Short circuit output current at pin
CANH
V
CANH
= 0 V; V
TxD
= 0 V
−90
−70 −40 mA
I
o(sc)
(CANL)
Short circuit output current at pin
CANL
V
CANL
= 36 V; V
TxD
= 0 V 40 70 100 mA
V
i(dif)
(th)
Differential receiver threshold
voltage
−12 V < V
CANL
< 12 V;
−12 V < V
CANH
< 12 V;
V
CC
= 4.75 V to 5.25 V
0.5 0.7 0.9 V
V
ihcm(dif)
(th)
Differential receiver threshold
voltage for high common−mode
−30 V < V
CANL
< 35 V;
−30 V < V
CANH
< 35 V;
V
CC
= 4.75 V to 5.25 V
0.40 0.7 1.0 V
V
i(dif)
(th)_STDBY
Differential receiver threshold
voltage in standby mode
−12 V < V
CANL
< 12 V;
−12 V < V
CANH
< 12 V;
V
CC
= 4.5 V to 5.5 V
0.4 0.8 1.15 V
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
−0.8 0 +0.8 %
R
i(dif)
Differential input resistance 25 50 75
kW
C
i(CANH)
Input capacitance at pin CANH V
TxD
= V
IO
; not tested 7.5 20 pF
C
i(CANL)
Input capacitance at pin CANL V
TxD
= V
IO
; not tested 7.5 20 pF
C
i(dif)
Differential input capacitance V
TxD
= V
IO
; not tested 3.75 10 pF
COMMON−MODE STABILIZATION (Pin V
SPLIT
) Only for NCV7342−0 version
V
SPLIT
Reference output voltage at pin
V
SPLIT
Normal mode;
−500 mA < I
SPLIT
< 500 mA
0.3 0.7 V
CC
V
SPLITo
Reference output voltage at pin
V
SPLIT
R
loadVsplit
> 1 MW
0.45 0.55 V
CC
I
SPLIT(i)
V
SPLIT
leakage current Standby mode −5 +5
mA
I
SPLIT(lim)
V
SPLIT
limitation current Normal mode 1.3 5 mA
V
IO
SUPPLY VOLTAGE (Pin V
IO
) Only for NCV7342−3 version
V
IO
Supply voltage on pin V
IO
2.8 5.5 V
I
IOS
Supply current on pin V
IO
in
standby mode
T
J
v 100°C (Note 11)
14
mA
10.Only version NCV7342−3 has V
IO
supply pin. In NCV7342−0 this supply is provided from V
CC
pin.
11. Not tested in production. Guaranteed by design and prototype evaluation.
12.In case V
IO
> V
CC
, the limit is V
IO
+ 0.3 V
