Philips Semiconductors
Product specification
CAN transceiver for 24 V systems
PCA82C251
CHARACTERISTICS
V
CC
= 4.5 to 5.5 V; T
amb
=
−40
to + 125
°C;
R
L
= 60
Ω;
I
8
>
−10 µA;
unless otherwise specified; all voltages referenced
to ground (pin 2); positive input current; all parameters are guaranteed over the ambient temperature range by design,
but only 100% tested at +25
°C.
SYMBOL
Supply
I
3
supply current
dominant; V
1
= 1 V;
V
CC
<
5.1 V
dominant; V
1
= 1 V;
V
CC
<
5.25 V
dominant; V
1
= 1 V;
V
CC
<
5.5 V
recessive; V
1
= 4 V;
R
8
= 47 kΩ
standby; note 1
DC bus transmitter
V
IH
V
IL
I
IH
I
IL
V
6, 7
I
LO
V
7
V
6
∆V
6,7
HIGH-level input voltage
LOW-level input voltage
HIGH-level input current
LOW-level input current
recessive bus voltage
off-state output leakage
current
CANH output voltage
CANL output voltage
difference between output
voltage at pins 6 and 7
output recessive
output dominant
V
1
= 4 V
V
1
= 1 V
V
1
= 4 V; no load
−2
V< (V
6
, V
7
) < 7 V
−5
V< (V
6
, V
7
) < 36 V
V
1
= 1 V; V
CC
= 4.75 to 5.5 V
V
1
= 1 V; V
CC
= 4.5 to 4.75 V
V
1
= 1 V
V
1
= 1 V
V
1
= 1 V; R
L
= 45
Ω
V
1
= 4 V; no load
I
sc7
I
sc6
short-circuit CANH current
short-circuit CANL current
V
7
=
−5
V
V
7
=
−36
V
V
6
= 36 V
0.7V
CC
−0.3
−200
−100
2.0
−2
−10
3.0
2.75
0.5
1.5
1.5
−500
−
−
−
−1.0
0.9
−7
V < (V
6,
V
7
) < 12 V; not
standby mode
standby mode
standby mode;
V
CC
= 4.5 to 5.10 V
V
diff(hys)
differential input hysteresis see Fig.5
1.0
0.97
0.91
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−100
−
−
−
−
−
−
−
150
V
CC
+ 0.3 V
0.3V
CC
+30
−600
3.0
+2
+10
4.5
4.5
2.0
3.0
−
+50
−200
−
200
V
µA
µA
V
mA
mA
V
V
V
V
V
mV
mA
mA
mA
−
−
−
−
−
−
−
−
−
−
78
80
85
10
275
mA
mA
mA
mA
µA
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
DC bus receiver
[V
1
= 4 V; pins 6 and 7 externally driven;
−2
V < (V
6
, V
7
) < 7 V; unless otherwise specified]
V
diff(r)
V
diff(d)
differential input voltage
(recessive)
differential input voltage
(dominant)
note 2
+0.5
+0.4
5.0
5.0
5.0
5.0
−
V
V
V
V
V
V
mV
−7
V < (V
6,
V
7
) < 12 V; note 2
−1.0
2000 Jan 13
6
PHILIPS [ NXP SEMICONDUCTORS ]
