Overview
The PCA82C251T/N3,112 is a CAN (Controller Area Network) transceiver produced by NXP USA Inc. This device serves as the interface between a CAN protocol controller and the physical bus, providing differential transmit and receive capabilities. It is designed to be fully compatible with the ISO 11898-24 V standard, making it suitable for high-speed applications in automotive and industrial environments.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC supply voltage | 4.5 | 5.5 | V | ||
| ICC supply current (Standby mode) | 275 | μA | |||
| Maximum transmission speed | non-return-to-zero | 1 | MBd | ||
| VCAN (CANH, CANL) input/output voltage | -36 | 36 | V | ||
| Vdiff differential bus voltage | 1.5 | 3.0 | V | ||
| tPD propagation delay (High-speed mode) | 50 | ns | |||
| Tamb ambient temperature | -40 | 125 | °C |
Key Features
- Fully compatible with the ISO 11898-24 V standard
- Slope control to reduce Radio Frequency Interference (RFI)
- Thermally protected with current-limiting circuit to prevent destruction of the transmitter output stage
- Short-circuit proof to battery and ground in 24 V powered systems
- Low-current Standby mode to reduce power consumption
- An unpowered node does not disturb the bus lines
- Supports up to 110 nodes on the bus
- High speed (up to 1 MBd) and high immunity against electromagnetic interference
Applications
The PCA82C251T/N3,112 is primarily intended for high-speed applications in trucks and buses, as well as other automotive and industrial environments that require reliable and high-speed CAN communication.
Q & A
- What is the PCA82C251T/N3,112 used for?
The PCA82C251T/N3,112 is used as an interface between a CAN protocol controller and the physical bus, providing differential transmit and receive capabilities.
- What standard is the PCA82C251T/N3,112 compatible with?
The device is fully compatible with the ISO 11898-24 V standard.
- What is the maximum transmission speed of the PCA82C251T/N3,112?
The maximum transmission speed is up to 1 MBd.
- What is the operating temperature range of the PCA82C251T/N3,112?
The operating temperature range is from -40°C to 125°C.
- Is the PCA82C251T/N3,112 protected against short circuits?
Yes, it is short-circuit proof to battery and ground in 24 V powered systems.
- How many nodes can be connected to the bus using the PCA82C251T/N3,112?
At least 110 nodes can be connected.
- What is the purpose of the slope control feature in the PCA82C251T/N3,112?
The slope control feature is used to reduce Radio Frequency Interference (RFI).
- Does the PCA82C251T/N3,112 have a low-power mode?
Yes, it has a low-current Standby mode to reduce power consumption.
- What is the package type of the PCA82C251T/N3,112?
The device is packaged in an 8-SOIC (Small Outline Integrated Circuit).
- What are the typical applications of the PCA82C251T/N3,112?
It is typically used in high-speed applications in trucks, buses, and other automotive and industrial environments.
