SN65HVD485EDR

Product Overview

• Category: Integrated Circuit (IC)
• 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
• Number of Pins: 8
• Pin Configuration: See detailed pin configuration below

Detailed Pin Configuration

1. VCC: Power supply input
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 of data on a single communication line
• Low power consumption: Optimized for battery-powered devices
• High-speed data transmission: Supports data rates up to 5 Mbps
• Built-in receiver output short-circuit protection: Ensures robustness in harsh environments
• Wide supply voltage range: Provides flexibility in various applications

Advantages and Disadvantages

Advantages: - Reliable data transmission over long distances - Low power consumption - High-speed communication - Robustness in industrial environments

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

Working Principles

The SN65HVD485EDR is a transceiver IC 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 input signal into a differential voltage, while the receiver section detects and amplifies the received differential voltage. The enable pins control the direction of data flow, allowing either transmission or reception.

Detailed Application Field Plans

The SN65HVD485EDR is widely used in industrial automation, automotive systems, and other applications that require reliable long-distance communication. Some specific application areas include:

1. Industrial Control Systems: Enables communication between sensors, actuators, and controllers in factory automation systems.
2. Automotive Networks: Facilitates communication between various electronic modules in vehicles, such as engine control units, body control modules, and infotainment systems.
3. Building Automation: Supports communication between different building management systems, including HVAC (Heating, Ventilation, and Air Conditioning), lighting control, and security systems.

Detailed and Complete Alternative Models

• MAX485: Similar half-duplex transceiver IC with comparable specifications and pin configuration.
• LTC2862: Low-power RS485 transceiver with extended temperature range and enhanced ESD protection.
• SP3485: Half-duplex transceiver IC with low power consumption and wide supply voltage range.

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