PCA82C251T 查看數據表（PDF） - Philips Electronics

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PCA82C251T

CAN transceiver for 24 V systems

Philips Electronics 

Philips Semiconductors

CAN transceiver for 24 V systems

Product specification

PCA82C251

handbook, full pagewidth

+5 V

100 nF

VCC

TXD

1

Vref 5

3

PCA82C251

CANH

7

60 Ω

RXD

4

2

CANL

6

8

GND

Rs

47 kΩ

500 pF

500 pF

SCHAFFNER

GENERATOR

MBG619

The waveforms of the applied transients shall be in accordance with “ISO 7637 part 1”, test pulses 1, 2, 3a and 3b.

Fig.8 Test circuit for automotive transients.

handbook, full pagewidth

P8xC592

CAN-CONTROLLER

CTX0 CRX0 CRX1 PX,Y

Rext

TXD RXD Vref Rs

+5 V

VCC

PCA82C251

CAN-TRANSCEIVER

GND

100 nF

120 Ω

CANH

CANL

CAN BUS

LINE

120 Ω

MBG620

(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: Rext = 0.

Fig.9 Application of the PCA82C251 CAN Transceiver.

2000 Jan 13

10

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