Overview
The SN65HVD257DR is a high-speed CAN (Controller Area Network) transceiver designed by Texas Instruments. This device is part of the SN65HVD25x series, which is optimized for higher data rates and large network applications, including those requiring functional safety features. The SN65HVD257DR operates within a temperature range of -40°C to 125°C, making it suitable for a wide range of industrial and automotive environments. It supports data rates up to 1 Mbps and is characterized by its fast loop times and robust protection features.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5 | 5.5 | V |
| Operating Temperature Range | -40 | 125 | °C | |
| Bus Fault Voltage | -27 | 40 | V | |
| Common Mode Voltage | -2 | 7 | V | |
| Signaling Rate (Max) | 1 | Mbps | ||
| HBM ESD Protection | ±12 kV | |||
| Package Type | SOIC-8 |
Key Features
- High-speed operation up to 1 Mbps
- Fast loop times for highly loaded CAN networks
- Robust protection features including bus fault protection (-27 V to 40 V), undervoltage protection on supply pins, and thermal shutdown protection
- Driver Dominant Time Out (TXD DTO) and Receiver-Dominant Time Out (RXD DTO) for fault detection
- FAULT output pin for indicating bus fault conditions
- Compliant with RoHS and green standards
- Operating temperature range of -40°C to 125°C
Applications
- Industrial automation and control systems
- Automotive systems, including body control modules and safety systems
- Highly loaded CAN networks requiring fast data transmission and robust fault protection
- Functional safety applications where reliable communication is critical
Q & A
- What is the maximum data rate supported by the SN65HVD257DR? The SN65HVD257DR supports data rates up to 1 Mbps.
- What is the operating temperature range of the SN65HVD257DR? The operating temperature range is -40°C to 125°C.
- What types of protection features does the SN65HVD257DR offer? It offers bus fault protection, undervoltage protection on supply pins, thermal shutdown protection, and fault detection through TXD DTO and RXD DTO.
- What is the purpose of the FAULT output pin in the SN65HVD257DR? The FAULT output pin indicates bus fault conditions.
- Is the SN65HVD257DR RoHS compliant? Yes, it is RoHS compliant.
- What package type is the SN65HVD257DR available in? It is available in an 8-pin SOIC package.
- What are some common applications of the SN65HVD257DR? Common applications include industrial automation, automotive systems, and highly loaded CAN networks.
- Does the SN65HVD257DR support functional safety features? Yes, it includes features for functional safety applications.
- What is the typical supply voltage for the SN65HVD257DR? The typical supply voltage is 5 V, with a range of 4.5 V to 5.5 V.
- Does the SN65HVD257DR have any specific ESD protection? Yes, it has HBM ESD protection exceeding ±12 kV.
