Overview
The SN65HVDA1050A-Q1 is an EMC-optimized high-speed CAN (Controller Area Network) bus transceiver designed by Texas Instruments. This device is fully compliant with the ISO 11898-2 standard and is qualified for use in automotive applications. It provides differential transmit and receive capabilities, supporting data rates up to 1 megabit per second (Mbps). The transceiver is engineered to operate in harsh environments and includes several protection features such as undervoltage lockout, overtemperature thermal shutdown, and wide common-mode range protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 4.75 to 5.25 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Signaling Rate (Max) | 1 | Mbps |
| Bus Fault Voltage | -27 to 40 | V |
| Common Mode Voltage | -12 to 12 | V |
| ESD Protection (HBM) | ±12 kV | |
| Package Type | SOIC (8 pins) | |
| Package Dimensions | 4.90 mm × 3.91 mm × 1.58 mm |
Key Features
- Meets or exceeds the requirements of ISO 11898-2 for high-speed CAN applications.
- Qualified for automotive applications.
- High electromagnetic compliance (EMC) and ESD protection up to ±12 kV (HBM model).
- Digital inputs compatible with 3.3-V and 5-V microprocessors.
- SPLIT (VREF) voltage source for common-mode stabilization of the bus through split termination.
- Silent mode capability to disable the driver while keeping the receiver active.
- Protection features include undervoltage lockout, overtemperature thermal shutdown, and bus-fault protection from -27 V to 40 V.
- Power-up and power-down glitch-free bus inputs and outputs.
Applications
- Automotive controller area network (CAN) applications.
- GMW3122 dual-wire CAN physical layer.
- SAE J2284 high-speed CAN for automotive applications.
- SAE J1939 standard data bus interface.
- ISO 11783 standard data bus interface.
- NMEA 2000 standard data bus interface.
Q & A
- What is the SN65HVDA1050A-Q1 used for?
The SN65HVDA1050A-Q1 is used as a high-speed CAN bus transceiver in automotive and other harsh environment applications.
- What is the maximum signaling rate of the SN65HVDA1050A-Q1?
The maximum signaling rate is 1 megabit per second (Mbps).
- What are the key protection features of the SN65HVDA1050A-Q1?
The device includes undervoltage lockout, overtemperature thermal shutdown, wide common-mode range protection, and bus-fault protection from -27 V to 40 V.
- What is the operating temperature range of the SN65HVDA1050A-Q1?
The operating temperature range is -40°C to 125°C.
- What type of ESD protection does the SN65HVDA1050A-Q1 offer?
The device offers ESD protection up to ±12 kV (HBM model).
- What is the purpose of the SPLIT (VREF) pin?
The SPLIT (VREF) pin is used for common-mode stabilization of the bus through split termination.
- Can the SN65HVDA1050A-Q1 operate in silent mode?
Yes, the device can be set to silent mode by setting the S pin high, which disables the driver while keeping the receiver active.
- What are the package dimensions of the SN65HVDA1050A-Q1?
The package dimensions are 4.90 mm × 3.91 mm × 1.58 mm.
- Is the SN65HVDA1050A-Q1 RoHS compliant?
Yes, the device is RoHS compliant.
- What are some common applications of the SN65HVDA1050A-Q1?
Common applications include automotive CAN networks, GMW3122 dual-wire CAN, SAE J2284 high-speed CAN, and other standard data bus interfaces like SAE J1939 and ISO 11783.
