SN65HVD379DRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: SOIC-8
• Essence: Provides a robust interface between a microcontroller and a differential bus in industrial applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3 V to 5.5 V
• Data Rate: Up to 1 Mbps
• Operating Temperature Range: -40°C to +85°C
• ESD Protection: ±16 kV HBM, ±8 kV IEC 61000-4-2 Contact Discharge

Pin Configuration

The SN65HVD379DRG4 has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power supply voltage | | 2 | GND | Ground | | 3 | RO | Receiver output | | 4 | DI | Driver input | | 5 | DE | Driver enable | | 6 | RE | Receiver enable | | 7 | RS | Receiver output short-circuit | | 8 | VREF | Reference voltage for receiver |

Functional Features

• Half-duplex communication
• Low power consumption
• High-speed data transmission
• Robust interface for industrial applications
• Built-in protection against electrostatic discharge (ESD)

Advantages and Disadvantages

Advantages

• Supports high-speed data rates up to 1 Mbps
• Wide supply voltage range allows compatibility with various systems
• Provides reliable communication in harsh industrial environments
• Compact package size enables space-saving designs
• ESD protection ensures device durability

Disadvantages

• Limited to half-duplex communication only
• Requires external components for complete system integration
• Not suitable for applications requiring full-duplex communication

Working Principles

The SN65HVD379DRG4 is a transceiver IC designed to facilitate half-duplex communication between a microcontroller and a differential bus. It operates by converting the single-ended signals from the microcontroller into differential signals suitable for transmission over the bus. The receiver section of the IC converts the differential signals received from the bus back into single-ended signals for the microcontroller.

The driver and receiver sections are controlled by the DE (Driver Enable) and RE (Receiver Enable) pins, respectively. When DE is high, the driver is enabled, allowing data transmission from the microcontroller to the bus. When RE is high, the receiver is enabled, allowing data reception from the bus to the microcontroller.

The IC also incorporates protection against electrostatic discharge (ESD), ensuring its reliability in industrial environments where ESD events are common.

Detailed Application Field Plans

The SN65HVD379DRG4 is widely used in various industrial applications that require reliable communication over a differential bus. Some common application fields include:

1. Industrial Automation: Used in PLCs (Programmable Logic Controllers), motor control systems, and industrial sensors for communication between devices.
2. Building Automation: Enables communication between different building automation systems, such as HVAC (Heating, Ventilation, and Air Conditioning) controllers, lighting control systems, and access control systems.
3. Automotive Electronics: Facilitates communication between different automotive modules, such as engine control units, body control modules, and infotainment systems.
4. Energy Management Systems: Allows communication between energy meters, smart grid devices, and energy management systems for efficient energy monitoring and control.

Detailed and Complete Alternative Models

1. SN65HVD230DR: Similar transceiver IC with a different pin configuration and package (SOIC-14).
2. MAX485CPA: Alternative transceiver IC with similar characteristics and package (DIP-8).
3. LTC2874IDD#PBF: High-speed differential transceiver IC with advanced features and package (DFN-10).

These alternative models offer similar functionality and can be considered as substitutes for the SN65HVD379DRG4 in specific applications.

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