SN65HVD485EDRG4

Product Overview

• Category: Integrated Circuit
• Use: Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Enables reliable data transmission over long distances in industrial applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3 V to 5.5 V
• Data Rate: Up to 5 Mbps
• Operating Temperature Range: -40°C to +85°C
• ESD Protection: ±16 kV HBM (Human Body Model)
• Number of Pins: 8
• Pin Pitch: 1.27 mm

Detailed Pin Configuration

1. VCC: Power supply voltage
2. GND: Ground reference
3. RO: Receiver output
4. DI: Driver input
5. DE: Driver enable
6. RE: Receiver enable
7. RS: Receiver output short-circuit protection
8. NC: No connection

Functional Features

• Half-Duplex Communication: Allows transmission and reception on a single communication line
• Low-Power Consumption: Optimized for battery-powered devices
• High-Speed Data Transmission: Supports data rates up to 5 Mbps
• ESD Protection: Provides robust protection against electrostatic discharge

Advantages and Disadvantages

Advantages: - Reliable long-distance communication in industrial environments - Low power consumption extends battery life - High-speed data transmission enables quick response times

Disadvantages: - Limited to half-duplex communication - Requires external components for complete functionality

Working Principles

The SN65HVD485EDRG4 is a transceiver designed for half-duplex communication. It uses differential signaling to transmit and receive data over a single communication line. The driver section converts the digital signals into differential voltage levels, while the receiver section converts the received differential signals back into digital data.

Detailed Application Field Plans

The SN65HVD485EDRG4 is widely used in various industrial applications, including:

1. Industrial Automation: Enables reliable communication between sensors, actuators, and control systems in factory automation.
2. Building Automation: Facilitates communication between different building systems, such as HVAC (Heating, Ventilation, and Air Conditioning) and lighting control.
3. Automotive Electronics: Supports communication between different electronic modules in vehicles, such as engine control units and body control modules.
4. Energy Management Systems: Allows for efficient communication between energy meters, smart grid devices, and monitoring systems.

Detailed and Complete Alternative Models

• MAX485: Similar half-duplex transceiver with comparable specifications and pin configuration.
• LTC2862: Low-power, high-speed RS485 transceiver with additional features like fail-safe operation and hot-swappable capability.
• SN75176: Industry-standard RS485 transceiver with a wide supply voltage range and high ESD protection.

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