SN65HVD76D

Product Overview

Category

The SN65HVD76D belongs to the category of integrated circuits (ICs) specifically designed for use in communication systems.

Use

This IC is commonly used for data transmission and reception in industrial applications, such as in automotive, factory automation, and building control systems.

Characteristics

• High-speed data transmission: The SN65HVD76D supports data rates up to 5 Mbps, enabling efficient communication in time-sensitive applications.
• Robustness: It features a robust interface that can withstand harsh industrial environments, including high levels of electrical noise and voltage transients.
• Low power consumption: The IC is designed to operate with low power consumption, making it suitable for battery-powered devices.
• ESD protection: It provides built-in electrostatic discharge (ESD) protection, safeguarding the IC from damage during handling and operation.

Package

The SN65HVD76D is available in a small outline integrated circuit (SOIC) package. This package offers ease of integration into various electronic systems.

Essence

The essence of the SN65HVD76D lies in its ability to provide reliable and high-speed data communication in industrial environments while consuming minimal power.

Packaging/Quantity

The IC is typically packaged in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply voltage range: 3.3V to 5V
• Data rate: Up to 5 Mbps
• Operating temperature range: -40°C to +85°C
• Number of pins: 8
• Interface type: RS-485

Detailed Pin Configuration

The SN65HVD76D has eight pins, each serving a specific function:

1. VCC: Power supply input
2. GND: Ground reference
3. RO: Receiver output
4. RE: Receiver enable
5. DE: Driver enable
6. DI: Driver input
7. B: Non-inverting driver output
8. A: Inverting driver output

Functional Features

• Half-duplex communication: The SN65HVD76D supports half-duplex communication, allowing data transmission and reception on a single communication line.
• Fail-safe receiver: It incorporates a fail-safe feature that ensures the receiver outputs a logic high when the bus is idle or disconnected, preventing false data interpretation.
• Thermal shutdown protection: The IC includes thermal shutdown protection to prevent damage due to excessive heat during operation.

Advantages and Disadvantages

Advantages

• High-speed data transmission capability
• Robustness in harsh industrial environments
• Low power consumption
• Built-in ESD protection

Disadvantages

• Limited to half-duplex communication
• Requires external components for complete RS-485 implementation

Working Principles

The SN65HVD76D operates based on the RS-485 standard, which uses differential signaling for noise immunity. It employs a driver to convert digital signals into balanced voltage levels for transmission over long distances. The receiver then converts the received differential signals back into digital data.

Detailed Application Field Plans

The SN65HVD76D finds applications in various industrial fields, including: 1. Automotive systems: Used for communication between different vehicle control modules. 2. Factory automation: Enables reliable data exchange between sensors, actuators, and control systems in manufacturing plants. 3. Building control systems: Facilitates communication between different building automation devices, such as HVAC systems, lighting controls, and access control systems.

Detailed and Complete Alternative Models

Some alternative models to the SN65HVD76D include: - MAX485: Manufactured by Maxim Integrated, offering similar functionality and performance. - LTC2850: Produced by Linear Technology, providing robust communication capabilities for industrial applications. - ADM485: Developed by Analog Devices, offering high-speed data transmission and low power consumption.

These alternative models can be considered based on specific application requirements and availability.

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