pca82c251u NXP Semiconductors, pca82c251u Datasheet - Page 10

• Manufacturer Part Number: pca82c251u
• Description: Can Transceiver For 24 V Systems
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2000 Jan 13
handbook, full pagewidth
handbook, full pagewidth
CAN transceiver for 24 V systems
The waveforms of the applied transients shall be in accordance with “ISO 7637 part 1” , test pulses 1, 2, 3a and 3b.
(1) The output control register of the P8xC592 should be programmed to 1AH (push-pull operation, dominant = LOW).
(2) If no slope control is desired: R
ext
Fig.9 Application of the PCA82C251 CAN Transceiver.
= 0.
RXD
TXD
V ref
Fig.8 Test circuit for automotive transients.
120
1
5
4
5 V
2
PCA82C251
GND
CTX0
TXD
CAN-TRANSCEIVER
CAN-CONTROLLER
3
V CC
CANH
PCA82C251
100 nF
CAN BUS
P8xC592
CRX0
RXD
LINE
8
10
Rs
47 k
7
6
CRX1
V ref
CANH
CANL
CANL
60
PX,Y
Rs
R ext
GND
V CC
120
500 pF
500 pF
MBG620
5 V
100 nF
GENERATOR
SCHAFFNER
MBG619
PCA82C251
Product specification