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DEVICE OVERVIEW

The MCP2551 is a high-speed CAN, fault-tolerant device that serves as the interface between a CAN protocol controller and the physical bus. The MCP2551 device provides differential transmit and receive capability for the CAN protocol controller, and is fully compatible with the ISO-11898 standard, including 24V requirements. It will operate at speeds of up to 1 Mb/s.

Features

? Supports 1 Mb/s operation

? Implements ISO-11898 standard physical layer

requirements

? Suitable for 12V and 24V systems

? Externally-controlled slope for reduced RFI

emissions

? Detection of ground fault (permanent Dominant)

on TXD input

? Power-on Reset and voltage brown-out protection

? An unpowered node or brown-out event will not

disturb the CAN bus

? Low current standby operation

? Protection against damage due to short-circuit

conditions (positive or negative battery voltage)

? Protection against high-voltage transients

? Automatic thermal shutdown protection

? Up to 112 nodes can be connected

? High-noise immunity due to differential bus

implementation

? Temperature ranges:

- Industrial (I): -40°C to +85°C

- Extended (E): -40°C to +125°C