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 6 of 17
NXP Semiconductors
PCA82C251
CAN transceiver for 24 V systems
[1] I
1
=I
4
=I
5
=0mA; 0V<V
6
<V
CC
; 0 V < V
7
<V
CC
; V
8
=V
CC
; T
amb
< 90 C.
[2] This is valid for the receiver in all modes: High-speed, Slope control and Standby.
V
diff(hys)
differential input hysteresis see Figure 5 - 150 - mV
V
OH
HIGH-level output voltage pin 4; I
4
= 100 A0.8V
CC
-V
CC
V
V
OL
LOW-level output voltage pin 4; I
4
= 1 mA 0 - 0.2V
CC
V
I
4
=10mA 0 - 1.5 V
R
i
input resistance CANH, CANL 5 - 25 k
R
diff
differential input resistance 20 - 100 k
Reference output
V
ref
reference output voltage V
8
=1V;I
5
<50A0.45V
CC
- 0.55V
CC
V
V
8
=4V; I
5
<5A0.4V
CC
-0.6V
CC
V
Timing (C
L
= 100 pF; see Figure 3, Figure 4, Figure 6 and Figure 7)
t
bit
minimum bit time R
ext
=0 --1 s
t
onTXD
delay TXD to bus active R
ext
=0 - - 50 ns
t
offTXD
delay TXD to bus inactive R
ext
=0 -4080ns
t
onRXD
delay TXD to receiver active R
ext
=0 - 55 120 ns
t
offRXD
delay TXD to receiver inactive R
ext
=0; T
amb
<+85C
V
CC
= 4.5 V to 5.1 V
- 80 150 ns
R
ext
=0; V
CC
= 4.5 V to 5.1 V - 80 170 ns
R
ext
=0; T
amb
<+85C - 90 170 ns
R
ext
=0k - 90 190 ns
R
ext
=47k - 290 400 ns
t
onRXD
delay TXD to receiver active R
ext
=47k - 440 550 ns
SR CANH, CANL slew rate R
ext
=47k -7- V/s
t
WAKE
wake-up time from Standby
(via pin 8)
see Figure 6 --20s
t
dRXDL
bus dominant to RXD LOW V
8
= 4 V; see Figure 7 --3 s
Standby/Slope control (pin 8)
V
stb
input voltage for Standby mode 0.75V
CC
-- V
I
slope
Slope control mode current 10 - 200 A
V
slope
Slope control mode voltage 0.4V
CC
-0.6V
CC
V
Table 8. Characteristics …continued
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