SN65HVD1787P

Product Overview

Category

The SN65HVD1787P belongs to the category of integrated circuits (ICs) specifically designed for use in industrial communication systems.

Use

This product is commonly used for data transmission and reception in various industrial applications, including factory automation, process control, and automotive systems.

Characteristics

• High-speed data transmission: The SN65HVD1787P supports data rates up to 5 Mbps, enabling fast and efficient communication.
• Robustness: It is designed to withstand harsh industrial environments, providing reliable performance even in the presence of electrical noise and voltage transients.
• Low power consumption: The IC is optimized for low power operation, making it suitable for battery-powered devices.
• ESD protection: It offers built-in electrostatic discharge (ESD) protection, safeguarding the circuitry from damage caused by static electricity.

Package

The SN65HVD1787P is available in a small outline package (SOP), which facilitates easy integration into various electronic systems.

Essence

The essence of this product lies in its ability to enable reliable and high-speed communication in industrial settings, enhancing overall system efficiency and performance.

Packaging/Quantity

The SN65HVD1787P is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. 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

1. A - Driver Output A
2. B - Driver Output B
3. GND - Ground
4. VCC - Power Supply
5. RO - Receiver Output
6. RE - Receiver Enable
7. DE - Driver Enable
8. DI - Driver Input

Functional Features

• Half-duplex communication: The SN65HVD1787P supports half-duplex communication, allowing data transmission and reception on a single communication line.
• Differential signaling: It utilizes differential signaling to improve noise immunity and signal integrity, ensuring reliable data transfer in industrial environments.
• Receiver hysteresis: The IC incorporates receiver hysteresis, which helps in reducing the effects of noise and signal distortion, enhancing overall system performance.

Advantages and Disadvantages

Advantages

• High-speed data transmission capability
• Robustness in harsh industrial environments
• Low power consumption for energy-efficient operation
• Built-in ESD protection for enhanced reliability

Disadvantages

• Limited to half-duplex communication only
• Requires additional external components for complete system integration

Working Principles

The SN65HVD1787P operates based on the RS-485 standard, which uses differential signaling to transmit and receive data. It employs a driver circuit to convert logic-level signals into differential voltage signals, while the receiver circuit converts the received differential signals back into logic-level signals. This enables reliable long-distance communication with noise immunity.

Detailed Application Field Plans

The SN65HVD1787P finds extensive application in various industrial sectors, including: 1. Factory automation systems 2. Process control systems 3. Automotive electronics 4. Building automation systems 5. Energy management systems

Detailed and Complete Alternative Models

1. MAX485 - Manufactured by Maxim Integrated, this IC offers similar functionality to the SN65HVD1787P and is widely used in industrial applications.
2. LTC2862 - Produced by Linear Technology (now part of Analog Devices), this IC provides robust communication capabilities for industrial systems.
3. ADM485 - Developed by Analog Devices, this IC is another popular choice for industrial communication applications.

These alternative models offer comparable features and performance to the SN65HVD1787P, providing users with a range of options for their specific requirements.

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