SN65HVD1786DG4

Product Overview

Category

The SN65HVD1786DG4 belongs to the category of integrated circuits (ICs) specifically designed for use in industrial communication systems.

Use

This product is commonly used for data transmission and reception in various industrial applications, including factory automation, process control, and automotive systems.

Characteristics

• Robustness: The SN65HVD1786DG4 is built to withstand harsh industrial environments, offering high immunity to electromagnetic interference (EMI) and electrostatic discharge (ESD).
• High-Speed Communication: It supports data rates up to 5 Mbps, enabling fast and reliable transmission of information.
• Low Power Consumption: This IC is designed to operate with low power consumption, making it suitable for battery-powered devices.
• Wide Supply Voltage Range: It can operate within a wide voltage range, typically from 3.3V to 5V, providing flexibility in different system configurations.

Package

The SN65HVD1786DG4 is available in a small form factor package known as SOIC-8 (Small Outline Integrated Circuit), which facilitates easy integration into circuit boards.

Essence

The essence of SN65HVD1786DG4 lies in its ability to enable robust and efficient communication between industrial devices, ensuring reliable data transmission in challenging environments.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 3.3V to 5V
• Data Rate: Up to 5 Mbps
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8

Detailed Pin Configuration

The SN65HVD1786DG4 features an 8-pin configuration, with the following pin assignments:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. RO: Receiver output
4. DI: Driver input
5. DE: Driver enable
6. RE: Receiver enable
7. VREF: Reference voltage for receiver
8. RS: Receiver output slew rate control

Functional Features

• Driver and Receiver: The SN65HVD1786DG4 integrates both a driver and a receiver, allowing bidirectional data transmission.
• Differential Signaling: It utilizes differential signaling to improve noise immunity and signal integrity.
• Fail-Safe Biasing: This IC incorporates fail-safe biasing, ensuring that the bus remains in a known state when no communication is taking place.
• Thermal Shutdown Protection: It includes thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Robustness in Industrial Environments
• High-Speed Communication Capability
• Low Power Consumption
• Wide Supply Voltage Range

Disadvantages

• Limited Pin Configuration Options
• Relatively Small Package Size

Working Principles

The SN65HVD1786DG4 operates based on the principles of differential signaling. It transmits data using two complementary signals, where the difference between the voltages represents the information being transmitted. This method provides better noise immunity and allows for longer cable lengths compared to single-ended signaling.

Detailed Application Field Plans

The SN65HVD1786DG4 finds applications in various industrial sectors, including: 1. Factory Automation: Used for communication between programmable logic controllers (PLCs), sensors, and actuators. 2. Process Control: Enables reliable data exchange between control systems and field devices in industries such as oil and gas, chemical, and power generation. 3. Automotive Systems: Facilitates communication between different electronic modules within vehicles, supporting functions like engine control, body electronics, and infotainment systems.

Detailed and Complete Alternative Models

1. MAX485: A popular alternative offering similar functionality, with a wider supply voltage range.
2. SN75176: Another alternative with comparable features, suitable for industrial communication applications.

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