SN65HVD267DR

Product Overview

Category

SN65HVD267DR belongs to the category of integrated circuits (ICs) specifically designed for use in industrial applications.

Use

This product is commonly used as a transceiver for communication between microcontrollers and various industrial devices. It facilitates reliable data transmission over long distances in harsh environments.

Characteristics

• Robustness: SN65HVD267DR is built to withstand extreme temperatures, voltage fluctuations, and electromagnetic interference.
• High-Speed Communication: It supports data rates up to 5 Mbps, enabling fast and efficient transmission.
• Low Power Consumption: The IC is designed to minimize power consumption, making it suitable for battery-powered applications.
• ESD Protection: It provides electrostatic discharge (ESD) protection, safeguarding the connected devices from damage.

Package

SN65HVD267DR is available in a small outline package (SOIC) with eight pins. This package offers ease of integration into various circuit designs.

Essence

The essence of SN65HVD267DR lies in its ability to provide reliable and robust communication between microcontrollers and industrial devices, ensuring seamless data exchange in challenging environments.

Packaging/Quantity

SN65HVD267DR is typically sold in reels containing a quantity of 250 units per reel.

Specifications

• Supply Voltage Range: 3.3V to 5V
• Operating Temperature Range: -40°C to +125°C
• Data Rate: Up to 5 Mbps
• Number of Pins: 8
• Interface Type: RS-485

Detailed Pin Configuration

1. A (Driver Output A)
2. B (Driver Output B)
3. GND (Ground)
4. VCC (Supply Voltage)
5. RO (Receiver Output)
6. RE (Receiver Enable)
7. DE (Driver Enable)
8. DI (Driver Input)

Functional Features

• Driver Enable (DE) and Receiver Enable (RE) pins allow control over the direction of data transmission.
• Receiver Output (RO) provides the received data to the microcontroller.
• Driver Output A (A) and Driver Output B (B) transmit data from the microcontroller to the connected devices.
• ESD protection guards against damage caused by electrostatic discharge.

Advantages and Disadvantages

Advantages

• Robust design ensures reliable communication in harsh industrial environments.
• High-speed data transmission enables efficient operation.
• Low power consumption makes it suitable for battery-powered applications.
• ESD protection safeguards connected devices.

Disadvantages

• Limited to RS-485 interface, not compatible with other communication protocols.
• Requires additional components for complete functionality.

Working Principles

SN65HVD267DR operates based on the RS-485 standard. It uses differential signaling to transmit data, allowing for noise immunity and long-distance communication. The driver section converts the logic-level signals from the microcontroller into differential voltage signals, while the receiver section converts the received differential signals back into logic-level signals.

Detailed Application Field Plans

SN65HVD267DR finds extensive application in various industrial sectors, including: 1. Factory Automation: Used for communication between programmable logic controllers (PLCs), sensors, and actuators. 2. Building Automation: Enables communication between building management systems, HVAC equipment, and lighting controls. 3. Process Control Systems: Facilitates data exchange between control systems and field instruments in industries such as oil and gas, chemical, and pharmaceuticals. 4. Renewable Energy: Used in solar power systems and wind turbines for communication between control units and monitoring devices.

Detailed and Complete Alternative Models

1. MAX485: Similar to SN65HVD267DR, this IC also supports RS-485 communication and offers comparable features.
2. LTC485: Another alternative with RS-485 compatibility, providing robust communication in industrial environments.
3. ADM2485: Offers galvanic isolation along with RS-485 communication, ensuring enhanced protection against voltage spikes.

(Note: The above list is not exhaustive and serves as a reference for alternative models.)

In conclusion, SN65HVD267DR is a robust and reliable transceiver IC designed for industrial applications. Its high-speed communication, low power consumption, and ESD protection make it an ideal choice for various industrial sectors.