SN75HVD1176DG4

Product Overview

• Category: Integrated Circuit
• Use: Transceiver
• Characteristics: High-speed, Half-duplex, RS-485/RS-422 Interface
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Provides robust and reliable communication between multiple devices in industrial environments
• 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 Channels: 1
• Receiver Hysteresis: 50 mV typical
• ESD Protection: ±16 kV Human Body Model (HBM)

Detailed Pin Configuration

The SN75HVD1176DG4 has a total of 8 pins:

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

Functional Features

• Robust Communication: The SN75HVD1176DG4 is designed to provide reliable data transmission over long distances in harsh industrial environments.
• Half-Duplex Operation: It supports half-duplex communication, allowing devices to transmit and receive data on the same bus line.
• RS-485/RS-422 Compatibility: The transceiver is compatible with both RS-485 and RS-422 standards, making it versatile for various applications.
• High-Speed Data Transfer: With a maximum data rate of 20 Mbps, it enables fast and efficient communication between devices.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with different systems. - High ESD protection ensures device durability. - Small package size makes it suitable for space-constrained applications.

Disadvantages: - Limited to half-duplex communication, not suitable for full-duplex applications. - Requires external components for proper operation.

Working Principles

The SN75HVD1176DG4 operates based on the RS-485/RS-422 standards. It uses differential signaling to transmit and receive data over a twisted pair of wires. The driver section converts the logic-level signals into balanced differential voltages, while the receiver section detects and amplifies the differential signals back into logic-level signals.

Detailed Application Field Plans

The SN75HVD1176DG4 is commonly used in various industrial applications, including:

1. Building Automation Systems: Enables communication between sensors, actuators, and controllers in HVAC (Heating, Ventilation, and Air Conditioning) systems.
2. Industrial Control Systems: Facilitates data exchange between PLCs (Programmable Logic Controllers), motor drives, and other control devices.
3. Security Systems: Connects security cameras, access control panels, and alarm systems for reliable data transmission.
4. Renewable Energy Systems: Allows communication between solar inverters, wind turbines, and energy management systems.
5. Transportation Systems: Used in railway signaling, traffic control, and vehicle monitoring systems.

Detailed and Complete Alternative Models

1. MAX485: Similar RS-485 transceiver with half-duplex operation and wide supply voltage range.
2. LTC485: RS-485 transceiver with extended temperature range and low power consumption.
3. ADM2483: Isolated RS-485 transceiver with integrated isolation barrier for enhanced noise immunity.

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