Overview
The SN65HVD235DR, produced by Texas Instruments, is a 3.3-V CAN (Controller Area Network) bus transceiver designed for operation in harsh environments. It complies with the ISO 11898-2 standard and provides transmit and receive capability between the differential CAN bus and a CAN controller, supporting data rates up to 1 Mbps. This device is particularly robust, featuring cross-wire protection, overvoltage protection up to ±36 V, loss of ground protection, overtemperature protection, and common-mode transient protection of ±100 V. It is widely used in industrial, building automation, transportation, and automotive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 3.3 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | SOIC (8 pins) | |
| Bus Pins Fault Protection | ±36 | V |
| Bus Pins ESD Protection | ±16 kV HBM | |
| Data Rate | Up to 1 Mbps | |
| Common Mode Range | -7 to 12 | V |
| Standby Current | 200 µA (Typical) | |
| Thermal Shutdown Junction Temperature | 170 | °C |
Key Features
- Single 3.3-V Supply Voltage
- Bus Pins Fault Protection Exceeds ±36 V
- Bus Pins ESD Protection Exceeds ±16 kV HBM
- Compatible With ISO 11898-2 and GIFT/ICT Compliant
- Data Rates up to 1 Mbps
- Extended –7 V to 12 V Common Mode Range
- High-Input Impedance Allows for 120 Nodes
- LVTTL I/Os are 5-V Tolerant
- Adjustable Driver Transition Times for Improved Emissions Performance
- Unpowered Node Does Not Disturb the Bus
- Low Current Standby Mode, 200-µA (Typical)
- Autobaud Loopback Mode for Baud Rate Synchronization
- Thermal Shutdown Protection
- Power up and Down With Glitch-Free Bus Inputs and Outputs
Applications
- Industrial Automation, Control, Sensors, and Drive Systems
- Motor and Robotic Control
- Building and Climate Control (HVAC)
- Backplane Communication and Control
- CAN Bus Standards such as CANopen, DeviceNet, CAN Kingdom, NMEA 2000, SAE J1939
- Automotive and Transportation Systems
Q & A
- What is the primary function of the SN65HVD235DR?
The SN65HVD235DR is a CAN bus transceiver that provides transmit and receive capability between the differential CAN bus and a CAN controller. - What are the key protection features of the SN65HVD235DR?
The device features cross-wire protection, overvoltage protection up to ±36 V, loss of ground protection, overtemperature protection, and common-mode transient protection of ±100 V. - What is the maximum data rate supported by the SN65HVD235DR?
The device supports data rates up to 1 Mbps. - What is the operating temperature range of the SN65HVD235DR?
The operating temperature range is -40°C to 125°C. - What is the autobaud loopback mode in the SN65HVD235DR?
The autobaud loopback mode allows the local node controller to synchronize its baud rate with that of the CAN bus by placing the bus output in a high-impedance state while keeping the bus input active. - Is the SN65HVD235DR compatible with ISO 11898-2?
Yes, the device is compatible with the ISO 11898-2 standard. - What is the typical standby current of the SN65HVD235DR?
The typical standby current is 200 µA. - Can the SN65HVD235DR operate in harsh environments?
Yes, it is designed for operation in especially harsh environments. - What is the common mode range of the SN65HVD235DR?
The common mode range is -7 V to 12 V. - How many nodes can the SN65HVD235DR support?
The device allows for up to 120 nodes due to its high-input impedance.
