LTC491IS

The LTC491IS is a robust, high-speed CAN transceiver designed for use in automotive and industrial applications. This IC provides reliable communication in harsh electrical environments, making it suitable for CAN bus interface implementations.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• TXD: Transmit Data
• RXD: Receive Data
• NC: No Connection
• VCC: Positive Power Supply
• GND: Ground
• STB: Standby
• RS: Slope Control Resistor
• RS: Ground Resistor
• Vref: Reference Voltage
• Vio: I/O Supply Voltage

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the LTC491IS transceiver for a more visual representation.

Key Features

• Robust Communication: The LTC491IS offers robust communication capabilities, ensuring reliable data transmission in harsh electrical environments.
• High-Speed Operation: This IC supports high-speed CAN communication, making it suitable for automotive and industrial applications that require fast data transfer.
• Standby Mode: The STB pin allows for a standby mode, enabling power conservation when the transceiver is not actively transmitting or receiving data.
• Supports Slope Control: The RS pin provides slope control for improved EMC performance.
• Wide Operating Voltage Range: The LTC491IS can operate within a wide voltage range, accommodating various power supply specifications.

Note: For detailed technical specifications, please refer to the LTC491IS datasheet.

Application

• Automotive CAN Bus: The LTC491IS is commonly used in automotive CAN bus systems for reliable data communication between electronic control units (ECUs).
• Industrial Automation: This transceiver is suitable for industrial automation applications requiring robust communication in electrically noisy environments.
• Embedded Systems: The LTC491IS can be integrated into embedded systems for CAN bus interface implementations, enabling seamless data transfer.

Functionality

The LTC491IS acts as a reliable interface between a microcontroller or other digital control device and a CAN bus, facilitating secure and efficient data communication.

Usage Guide

• Power Supply: Connect VCC (Pin) to the positive power supply and GND (Pin) to ground.
• Connect TXD and RXD pins to the respective transmit and receive lines of the CAN bus.
• Utilize the STB pin to enable standby mode when the transceiver is not in active use.

Frequently Asked Questions

Q: What is the maximum data transfer rate supported by the LTC491IS?
A: The LTC491IS supports high-speed CAN communication with data transfer rates up to 1 Mbps.

Q: Can the LTC491IS operate in electrically noisy environments?
A: Yes, the LTC491IS is designed to provide reliable communication in harsh electrical environments typical of automotive and industrial applications.