PCA82C251T View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
PCA82C251T Datasheet PDF : 24 Pages
| |||
Philips Semiconductors
CAN transceiver for 24 V systems
Product specification
PCA82C251
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
VOH
HIGH-level output voltage I4 = −100 µA
(pin 4)
0.8VCC −
VOL
LOW-level output voltage I4 = 1 mA
(pin 4)
I4 = 10 mA
Ri
CANH, CANL input
resistance
0
−
0
−
5
−
Rdiff
differential input resistance
20
−
Reference output
Vref
reference output voltage V8 = 1 V; I5 < 50 µA
V8 = 4 V; I5 < 5 µA
0.45VCC −
0.4VCC −
Timing (RL = 60 Ω; CL = 100 pF; unless otherwise specified. See Figs 3 and 4)
tbit
tonTXD
toffTXD
tonRXD
minimum bit time
delay TXD to bus active
delay TXD to bus inactive
delay TXD to receiver
active
R8 = 0 Ω
R8 = 0 Ω
R8 = 0 Ω
R8 = 0 Ω
−
−
−
−
−
40
−
55
toffRXD
delay TXD to receiver
R8 = 0 Ω; Tamb < +85 °C;
−
80
inactive
VCC = 4.5 to 5.1 V
R8 = 0 Ω; VCC = 4.5 to 5.1 V −
80
R8 = 0 Ω; Tamb < +85 °C
−
90
R8 = 0 Ω
−
90
R8 = 47 kΩ
−
290
tonRXD
delay TXD to receiver
active
R8 = 47 kΩ
−
440
SR
tWAKE
CANH, CANL slew rate R8 = 47 kΩ
wake-up time from standby see Fig.6
(via pin 8)
−
7
−
−
tdRXDL
bus dominant to RXD LOW V8 = 4 V; see Fig.7
−
−
Standby/slope control (pin 8)
Vstb
input voltage for standby
mode
0.75VCC −
Islope
Vslope
slope control mode current
slope control mode voltage
−10
−
0.4VCC −
Notes
1. I1 = I4 = I5 = 0 mA; 0 V < V6 < VCC; 0 V < V7 < VCC; V8 = VCC; Tamb < 90 °C.
2. This is valid for the receiver in all modes: high-speed, slope control and standby.
MAX.
VCC
UNIT
V
0.2VCC V
1.5
V
25
kΩ
100
kΩ
0.55VCC V
0.6VCC V
1
µs
50
ns
80
ns
120
ns
150
ns
170
ns
170
ns
190
ns
400
ns
550
ns
−
V/µs
20
µs
3
µs
−
V
−200
µA
0.6VCC V
2000 Jan 13
7
Share Link: 