SN65HVD1791DRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Facilitates reliable data transmission in industrial applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

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
• Pin Pitch: 1.27mm

Detailed Pin Configuration

1. VCC: Power supply voltage pin
2. GND: Ground pin
3. TXD: Transmit Data pin
4. RXD: Receive Data pin
5. DE: Driver Enable pin
6. RE: Receiver Enable pin
7. RS: Slope Control pin
8. NC: No Connection

Functional Features

• Half-Duplex Communication: Allows transmission and reception of data on a single communication line.
• Low-Power Operation: Consumes minimal power during operation, making it suitable for battery-powered devices.
• High-Speed Data Transfer: Supports data rates up to 5 Mbps, enabling fast and efficient communication.
• Robust Communication: Provides excellent noise immunity and fault protection, ensuring reliable data transmission in harsh industrial environments.

Advantages

• Wide Supply Voltage Range: Can operate with a supply voltage ranging from 3.3V to 5V, providing flexibility in various applications.
• ESD Protection: Incorporates built-in electrostatic discharge (ESD) protection, safeguarding the IC from damage due to static electricity.
• Compact Package: Housed in a small outline integrated circuit (SOIC) package, allowing for space-efficient PCB designs.

Disadvantages

• Half-Duplex Limitation: Supports only half-duplex communication, which may not be suitable for applications requiring simultaneous transmission and reception.

Working Principles

The SN65HVD1791DRG4 is a transceiver IC designed for half-duplex communication. It utilizes differential signaling to transmit and receive data over a single communication line. The driver section amplifies the transmitted data signal, while the receiver section detects and decodes incoming data. The DE (Driver Enable) and RE (Receiver Enable) pins control the direction of data flow. The RS (Slope Control) pin adjusts the slew rate of the transmitted signal, enhancing noise immunity.

Detailed Application Field Plans

The SN65HVD1791DRG4 is widely used in industrial automation, automotive systems, and other applications that require reliable data communication in harsh environments. Some specific application areas include:

1. Factory Automation: Enables communication between various industrial devices, such as sensors, actuators, and controllers.
2. Automotive Networks: Facilitates data exchange between different automotive subsystems, including engine control units, body control modules, and infotainment systems.
3. Building Automation: Supports communication in building management systems, allowing integration of HVAC, lighting, and security systems.
4. Renewable Energy Systems: Enables data transmission in solar power plants, wind farms, and other renewable energy installations.

Detailed and Complete Alternative Models

1. SN65HVD1791D: Similar to SN65HVD1791DRG4 but without the SOIC package.
2. SN65HVD1792DR: Dual-channel version of SN65HVD1791DRG4, providing two independent transceivers in a single IC.
3. SN65HVD1794DR: Enhanced version with additional features like bus fault protection and thermal shutdown.

(Note: The above alternative models are provided for reference and may have different specifications and pin configurations. Please refer to the respective datasheets for detailed information.)

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