Overview
The SN55HVD251DRJR from Texas Instruments is a Controller Area Network (CAN) transceiver designed for use in harsh environments. It provides differential transmit and receive capabilities to a CAN controller, supporting data rates up to 1 megabit per second (Mbps). This device is compliant with the ISO 11898 standard and is suitable for industrial, building automation, and automotive applications. It features robust protection mechanisms, including cross-wire, overvoltage, and loss of ground protection up to ±36 V, as well as overtemperature protection and tolerance to transients of ±200 V.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | 8-WDFN Exposed Pad (8-SON) |
| Operating Temperature Range | -55°C to 125°C |
| Supply Voltage | 4.5 V to 5.5 V |
| Data Rate | Up to 1 Mbps |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Full |
| Mounting Type | Surface Mount |
| RoHS Compliant | Yes |
Key Features
- Drop-In Improved Replacement for PCA82C250 and PCA82C251
- Bus-Fault Protection of ±36 V
- Meets or Exceeds ISO 11898 Standard
- Signaling Rates up to 1 Mbps
- High Input Impedance Allows up to 120 Nodes on a Bus
- Bus Pin ESD Protection Exceeds 14 kV HBM
- Unpowered Node Does Not Disturb the Bus
- Low-Current Standby Mode: 200-µA Typical
- Thermal Shutdown Protection
- Glitch-Free Power-Up and Power-Down CAN Bus Protection for Hot-Plugging
- DeviceNet Vendor ID #806
Applications
- CAN Data Buses
- Industrial Automation
- SAE J1939 Standard Data Bus Interface
- NMEA 2000 Standard Data Bus Interface
Q & A
- What is the SN55HVD251DRJR used for?
The SN55HVD251DRJR is used as a CAN transceiver for applications employing the Controller Area Network (CAN) serial communication physical layer, particularly in harsh environments such as industrial, building automation, and automotive systems.
- What is the data rate supported by the SN55HVD251DRJR?
The SN55HVD251DRJR supports data rates up to 1 megabit per second (Mbps).
- What are the key protection features of the SN55HVD251DRJR?
The device features bus-fault protection of ±36 V, overtemperature protection, and tolerance to transients of ±200 V. It also includes bus pin ESD protection exceeding 14 kV HBM.
- How many nodes can be connected to the bus using the SN55HVD251DRJR?
The high input impedance of the SN55HVD251DRJR allows up to 120 nodes on a bus.
- What is the operating temperature range of the SN55HVD251DRJR?
The operating temperature range is -55°C to 125°C.
- What is the supply voltage range for the SN55HVD251DRJR?
The supply voltage range is 4.5 V to 5.5 V.
- Does the SN55HVD251DRJR support low-power mode?
Yes, the device enters a low-current standby mode when a high logic level is applied to the Rs pin, reducing the current to 200 µA typical.
- Is the SN55HVD251DRJR RoHS compliant?
Yes, the SN55HVD251DRJR is RoHS compliant.
- What is the package type of the SN55HVD251DRJR?
The package type is 8-WDFN Exposed Pad (8-SON).
- What are some common applications of the SN55HVD251DRJR?
Common applications include CAN data buses, industrial automation, SAE J1939 standard data bus interface, and NMEA 2000 standard data bus interface.
