Datasheet
PCA82C251 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 04 — 25 August 2011 5 of 17
NXP Semiconductors
PCA82C251
CAN transceiver for 24 V systems
10. Thermal characteristics
11. Characteristics
Table 7. Thermal characteristics
Symbol Parameter Conditions Typ Unit
R
th(j-a)
thermal resistance from junction to ambient in free air 160 K/W
Table 8. Characteristics
V
CC
= 4.5 V to 5.5 V; T
amb
=
40
C to +125
C; R
L
=60
; I
8
>
10
A; 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 Parameter Conditions Min Typ Max Unit
Supply
I
3
supply current dominant; V
1
=1V; V
CC
=5.1V - - 78 mA
dominant; V
1
=1V; V
CC
=5.25V - - 80 mA
dominant; V
1
=1V; V
CC
=5.5V - - 85 mA
recessive; V
1
=4V; R
8
=47k --10mA
Standby
[1]
- - 275 A
DC bus transmitter
V
IH
HIGH-level input voltage output recessive 0.7V
CC
-V
CC
+0.3 V
V
IL
LOW-level input voltage output dominant 0.3 - 0.3V
CC
V
I
IH
HIGH-level input current V
1
=4V 200 - +30 A
I
IL
LOW-level input current V
1
=1V - 600 A
V
6,7
recessive bus voltage V
1
= 4 V; no load 2.0 - 3.0 V
I
LO
off-state output leakage current 2V<(V
6
, V
7
)<7V 2-+2 mA
5V<(V
6
, V
7
)<36V 10 - +10 mA
V
7
CANH output voltage V
1
=1V; V
CC
=4.75V to 5.5V 3.0 - 4.5 V
V
1
=1V; V
CC
= 4.5 V to 4.75 V 2.75 4.5
V
6
CANL output voltage V
1
= 1 V 0.5 - 2.0 V
V
6, 7
difference between output
voltage at pins 6 and 7
V
1
= 1 V 1.5 - 3.0 V
V
1
=1V; R
L
=45 1.5 - - V
V
1
= 4 V; no load 500 - +50 mV
I
sc7
short-circuit CANH current V
7
= 5V - - 200 mA
V
7
= 36 V - 100 - mA
I
sc6
short-circuit CANL current V
6
= 36 V - - 200 mA
DC bus receiver: V
1
= 4 V; pins 6 and 7 externally driven; 2V<(V
6,
V
7
) < 7 V; unless otherwise specified
V
diff(r)
differential input voltage
(recessive)
[2]
1.0 - +0.5 V
7V<(V
6
,V
7
)<12V
[2]
1.0 - +0.4 V
V
diff(d)
differential input voltage
(dominant)
0.9 - 5.0 V
7V<(V
6
,V
7
) < 12 V; not Standby
mode
1.0 - 5.0 V
Standby mode 0.97 - 5.0 V
Standby mode; V
CC
= 4.5 V to 5.10 V 0.91 - 5.0 V