SN65HVD82D

Product Overview

Category

The SN65HVD82D belongs to the category of integrated circuits (ICs) used for communication and signal transmission.

Use

This IC is specifically designed for use in industrial applications that require reliable data communication over long distances. It enables robust and efficient data transmission between different devices or systems.

Characteristics

• Robustness: The SN65HVD82D is built to withstand harsh industrial environments, offering high immunity to noise and voltage fluctuations.
• High-Speed Communication: It supports data rates up to 5 Mbps, making it suitable for applications requiring fast and reliable data transfer.
• Low Power Consumption: This IC is designed to operate with low power consumption, making it energy-efficient.
• Wide Temperature Range: It can operate within a wide temperature range, typically from -40°C to 85°C, ensuring its suitability for various industrial settings.

Package

The SN65HVD82D is available in a small outline integrated circuit (SOIC) package, which provides ease of integration into electronic systems.

Essence

The essence of the SN65HVD82D lies in its ability to facilitate reliable and efficient data communication in industrial applications, ensuring seamless connectivity between different devices.

Packaging/Quantity

This 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 manufacturer's specifications.

Specifications

• Supply Voltage: 3.3V
• Data Rate: Up to 5 Mbps
• Operating Temperature Range: -40°C to 85°C
• Number of Pins: 8
• Interface Type: RS-485
• Package Type: SOIC

Detailed Pin Configuration

1. A
2. B
3. GND
4. VCC
5. Y/Z
6. Y/Z
7. GND
8. RE/DE

Functional Features

• Half-Duplex Communication: The SN65HVD82D supports half-duplex communication, allowing data transmission in both directions but not simultaneously.
• Differential Signaling: It utilizes differential signaling to improve noise immunity and ensure reliable data transmission over long distances.
• Receiver Input Thresholds: The IC incorporates receiver input thresholds that enhance noise rejection and enable accurate data reception.
• Driver Output Short-Circuit Protection: It includes built-in protection mechanisms to prevent damage due to short-circuits on the driver outputs.

Advantages and Disadvantages

Advantages

• Robustness in Industrial Environments: The SN65HVD82D is designed to withstand harsh industrial conditions, making it highly reliable for critical applications.
• High-Speed Data Transfer: With support for data rates up to 5 Mbps, it enables fast and efficient communication between devices.
• Low Power Consumption: The IC operates with low power consumption, contributing to energy efficiency in industrial systems.

Disadvantages

• Half-Duplex Limitation: As a half-duplex IC, simultaneous bidirectional communication is not possible.

Working Principles

The SN65HVD82D operates based on the RS-485 standard, which uses differential signaling to transmit data. It employs a balanced line driver and receiver to convert digital signals into differential voltages for transmission and reception. The IC's internal circuitry ensures proper voltage levels and noise rejection, enabling reliable data communication.

Detailed Application Field Plans

The SN65HVD82D finds extensive application in various industrial sectors, including: 1. Factory Automation: It facilitates communication between programmable logic controllers (PLCs), sensors, and other automation equipment. 2. Building Automation: The IC enables data exchange between different building management systems, such as HVAC, lighting, and security systems. 3. Process Control: It is used in process control systems to connect different devices, such as sensors, actuators, and controllers. 4. Renewable Energy Systems: The SN65HVD82D enables communication between components of renewable energy systems, such as solar inverters and battery management systems.

Detailed and Complete Alternative Models

1. MAX485: This IC offers similar functionality to the SN65HVD82D and is widely used in industrial applications.
2. LTC2862: Another alternative with robust features suitable for industrial environments.
3. ADM2483: This IC provides galvanic isolation along with RS-485 communication capabilities.

These alternative models offer comparable performance and can be considered based on specific application requirements.

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