Overview
The SN65HVD266D, produced by Texas Instruments, is a 'Turbo' CAN (Controller Area Network) transceiver designed for CAN FD (Flexible Data Rate) applications. This device meets the ISO11898-2 High Speed CAN physical layer standard and is optimized for data rates exceeding 2 Mbps for CAN FD and greater than 1 Mbps for CAN in short networks. It features enhanced timing margin and higher data rates in long and highly-loaded networks, making it suitable for various industrial and automotive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 8 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage (VCC) | 4.5 to 5.5 | V |
| RXD Supply (VRXD) | 2.8 to 5.5 | V |
| CAN Bus Terminal Voltage (VIC) | -2 to 7 | V |
| CAN Bus Differential Voltage (VID) | -6 to 6 | V |
| Logic HIGH Level Input (TXD, S) | 2 to 5.5 | V |
| Logic LOW Level Input (TXD, S) | 0 to 0.8 | V |
| CAN BUS Driver High Level Output Current (IOH(DRVR)) | -70 | mA |
| CAN BUS Driver Low Level Output Current (IOL(DRVR)) | 70 | mA |
| RXD Terminal High Level Output Current (IOH(RXD)) | -2 | mA |
| RXD Terminal Low Level Output Current (IOL(RXD)) | 2 | mA |
| Thermal Shutdown Temperature | 170 | °C |
| Thermal Shutdown Hysteresis | 5 | °C |
Key Features
- Meets the Requirements of ISO11898-2 High Speed CAN physical layer standard.
- Specified for 2-Mbps CAN FD (CAN with Flexible Data Rate) and greater than 1 Mbps for CAN in short networks.
- Short and symmetrical propagation delay times and fast loop times for enhanced timing margin.
- I/O voltage range supports 3.3-V and 5-V MCUs.
- Ideal passive behavior when unpowered; bus and logic terminals are high impedance (no load).
- Power-up/down with glitch-free operation on the bus.
- Protection features include HBM ESD protection exceeding ±12 kV, bus fault protection from -27 V to 40 V, undervoltage protection on supply terminals, driver dominant time out (TXD DTO), and thermal shutdown protection.
Applications
- Industrial automation, control, sensors, and drive systems.
- Building, security, and climate control automation.
- Telecom base station status and control.
- CAN bus standards such as CANopen, DeviceNet, NMEA2000, ARINC825, ISO11783, and CANaerospace.
Q & A
- What is the SN65HVD266D used for? The SN65HVD266D is a CAN transceiver used for CAN FD (Flexible Data Rate) applications, meeting the ISO11898-2 High Speed CAN physical layer standard.
- What are the key specifications of the SN65HVD266D? Key specifications include an operating temperature range of -40°C to 125°C, supply voltage of 4.5V to 5.5V, and support for 3.3-V and 5-V MCUs.
- What protection features does the SN65HVD266D offer? The device offers HBM ESD protection exceeding ±12 kV, bus fault protection from -27 V to 40 V, undervoltage protection on supply terminals, driver dominant time out (TXD DTO), and thermal shutdown protection.
- What are the typical applications of the SN65HVD266D? Typical applications include industrial automation, building automation, telecom base stations, and various CAN bus standards.
- How does the SN65HVD266D handle power-up/down operations? The device features glitch-free operation on the bus during power-up/down.
- What is the thermal shutdown temperature of the SN65HVD266D? The thermal shutdown temperature is 170°C with a hysteresis of 5°C.
- Does the SN65HVD266D support multiple I/O voltages? Yes, it supports I/O voltage ranges for both 3.3-V and 5-V MCUs.
- What is the maximum data rate supported by the SN65HVD266D for CAN FD? The device supports data rates up to 2 Mbps for CAN FD.
- Is the SN65HVD266D suitable for use in highly loaded networks? Yes, it is designed for enhanced timing margin and higher data rates in long and highly-loaded networks.
- Does the SN65HVD266D have any additional features for safety in CAN systems? While the SN65HVD266 itself does not have redundant and multi-topology features, the related SN65HVD267 model adds these features for higher levels of safety in the CAN system.
