Overview of NXP PCA82C251T/N3,112 CAN Transceiver

The PCA82C251T/N3,112 is a high-performance CAN (Controller Area Network) transceiver produced by NXP Semiconductors. This device provides an interface between a CAN protocol controller and the physical two-wire CAN bus. It is designed to operate at speeds of up to 1 Mbit/s and is compliant with the ISO 11898 standard, ensuring reliable communication in automotive and industrial applications.

Key Features

• ISO 11898 Standard: The transceiver is designed to be compliant with the ISO 11898 standard for high-speed CAN applications, ensuring compatibility with other CAN devices and systems.
• High-Speed Operation: It supports CAN transmission speeds of up to 1 Mbit/s, making it suitable for high-speed data transfer requirements.
• Differential Receiver with Wide Common-Mode Range: The device includes a differential receiver that can handle large common-mode voltage variations, which is essential for robust communication in noisy environments.
• Thermal Protection: The PCA82C251T/N3,112 features thermal protection that disables the transmitter in case of excessive power dissipation, preventing damage to the device.
• Low Electromagnetic Emission: The transceiver has been designed to produce a very low level of electromagnetic emissions, reducing the potential for interference with other electronic systems.
• Transceiver Status Detection: It includes features to detect the status of the transceiver, such as a permanent dominant detection on the bus, which can help in diagnosing network issues.

Applications

The PCA82C251T/N3,112 is primarily used in automotive networks but is also suitable for a variety of industrial automation systems where robust data communication is required. It is ideal for applications such as:

• On-board diagnostics
• Body control modules
• Engine control units
• Factory automation and process control
• Medical equipment and instrumentation

Product Specifications

The device is available in an SO8 package and operates over a wide supply voltage range. It is characterized for operation from -40°C to +125°C, making it reliable in extreme temperature conditions commonly found in automotive environments. The PCA82C251T/N3,112 is also designed for low-current consumption in both active and power-down modes, contributing to energy-efficient designs.

With its robust feature set, the NXP PCA82C251T/N3,112 CAN transceiver is a crucial component for reliable and efficient communication in complex networks, where uninterrupted data transfer and system integrity are paramount.