SN65HVD55D

Product Overview

Category

The SN65HVD55D belongs to the category of integrated circuits (ICs) used in communication systems.

Use

This IC is specifically designed for use in industrial applications that require reliable and robust communication over long distances.

Characteristics

• High-speed data transmission: The SN65HVD55D supports data rates up to 1 Mbps, making it suitable for high-speed communication.
• Robustness: It features a wide common-mode voltage range (-7V to 12V) and excellent electromagnetic interference (EMI) performance, ensuring reliable operation in harsh industrial environments.
• Low power consumption: The IC is designed to minimize power consumption, making it suitable for battery-powered applications.
• Enhanced protection: It incorporates various protection features such as thermal shutdown, short-circuit protection, and bus fault protection, enhancing system reliability.

Package

The SN65HVD55D is available in a small outline integrated circuit (SOIC) package, which provides ease of integration into various electronic systems.

Essence

The essence of the SN65HVD55D lies in its ability to facilitate reliable and high-speed communication in industrial applications while ensuring robustness and low power consumption.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 3.3V to 5V
• Data Rate: Up to 1 Mbps
• Operating Temperature Range: -40°C to 85°C
• Common-Mode Voltage Range: -7V to 12V
• Package Type: SOIC-8

Detailed Pin Configuration

The SN65HVD55D has an 8-pin configuration as follows:

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

• Driver and Receiver: The IC integrates both a driver and a receiver, allowing bidirectional communication.
• Enable Control: The driver and receiver can be independently enabled/disabled using the DE (Driver Enable) and RE (Receiver Enable) pins, respectively.
• Short-Circuit Protection: The RS (Receiver Output Short-Circuit Protection) pin provides protection against short circuits on the receiver output.
• Thermal Shutdown: The IC incorporates thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• High-speed data transmission capability
• Robustness in harsh industrial environments
• Low power consumption
• Enhanced protection features for improved reliability

Disadvantages

• Limited common-mode voltage range (-7V to 12V)
• Requires external components for complete communication system implementation

Working Principles

The SN65HVD55D operates based on the principles of differential signaling. It uses a balanced line driver and receiver to transmit and receive data over long distances while minimizing noise interference. The driver amplifies the differential signals, while the receiver detects and decodes the received signals.

Detailed Application Field Plans

The SN65HVD55D finds applications in various industrial fields, including: 1. Factory automation systems 2. Process control systems 3. Building automation systems 4. Industrial robotics 5. Power distribution systems

Detailed and Complete Alternative Models

1. MAX485: A similar IC with comparable specifications and functionality.
2. LTC2875: Offers higher data rates and extended temperature range compared to SN65HVD55D.
3. ADM3053: Provides galvanic isolation for enhanced system protection.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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