SN65HVD230DG4

Product Overview

• Category: Integrated Circuit
• Use: Transceiver
• Characteristics: High-speed, Half-duplex, RS-485/RS-422 Interface
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Communication interface for 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 20 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 8
• ESD Protection: ±16 kV HBM (Human Body Model)
• Receiver Input Impedance: 12 kΩ
• Driver Output Impedance: 60 Ω

Detailed Pin Configuration

1. A (Driver Output A)
2. B (Driver Output B)
3. GND (Ground)
4. DE (Driver Enable)
5. RE (Receiver Enable)
6. VCC (Supply Voltage)
7. B (Receiver Input B)
8. A (Receiver Input A)

Functional Features

• Half-Duplex Communication: Allows transmission and reception on a single pair of wires.
• RS-485/RS-422 Compatibility: Supports industry-standard communication protocols.
• High-Speed Data Transfer: Capable of data rates up to 20 Mbps.
• Wide Supply Voltage Range: Operates from 3 V to 5.5 V, suitable for various applications.
• ESD Protection: Provides robust protection against electrostatic discharge.

Advantages and Disadvantages

Advantages: - High-speed data transfer capability. - Wide supply voltage range allows flexibility in different applications. - Robust ESD protection ensures reliability in harsh environments.

Disadvantages: - Limited to half-duplex communication. - Requires external components for complete functionality.

Working Principles

The SN65HVD230DG4 is a transceiver designed for RS-485/RS-422 communication. It operates in half-duplex mode, allowing transmission and reception on a single pair of wires. The driver section converts the logic-level signals into differential voltage signals suitable for long-distance transmission. The receiver section converts the received differential signals back into logic-level signals. The driver and receiver sections are controlled by the DE (Driver Enable) and RE (Receiver Enable) pins, respectively.

Detailed Application Field Plans

The SN65HVD230DG4 is widely used in various industrial applications that require reliable and high-speed communication. Some common application fields include:

1. Industrial Automation: Used for communication between PLCs (Programmable Logic Controllers), sensors, and actuators.
2. Building Automation: Enables communication between HVAC (Heating, Ventilation, and Air Conditioning) systems, lighting controls, and access control systems.
3. Automotive Electronics: Facilitates communication between different electronic modules in vehicles, such as engine control units, body control modules, and infotainment systems.
4. Renewable Energy Systems: Allows communication between solar inverters, wind turbines, and energy management systems.
5. Security Systems: Used for communication between security cameras, access control panels, and alarm systems.

Detailed and Complete Alternative Models

1. MAX485: Similar functionality and pin configuration, available in DIP and SOIC packages.
2. LTC2862: Low-power RS-485 transceiver with integrated ESD protection.
3. ADM2483: Isolated RS-485 transceiver with integrated DC-to-DC converter.

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