SN65HVD1787D

Product Overview

• Category: Integrated Circuit
• 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 input
2. GND: Ground reference
3. RO: Receiver output
4. DI: Driver input
5. DE: Driver enable
6. RE: Receiver enable
7. RS: Receiver output short-circuit protection
8. NC: No connection

Functional Features

• Half-duplex communication: Allows transmission and reception on a single communication line
• Low power consumption: Optimized for energy-efficient operation
• High-speed data transfer: Supports data rates up to 5 Mbps
• Robust communication: Built-in receiver output short-circuit protection

Advantages and Disadvantages

Advantages: - Reliable data transmission in harsh industrial environments - Low power consumption extends battery life in portable devices - High-speed communication enables quick data transfer

Disadvantages: - Limited to half-duplex communication only - Requires additional components for full-duplex operation

Working Principles

The SN65HVD1787D 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 converts the digital signals into differential voltage levels, while the receiver section converts the received differential signals back into digital data. The enable pins (DE and RE) control the direction of communication, allowing either transmission or reception at a given time.

Detailed Application Field Plans

The SN65HVD1787D is widely used in various industrial applications that require reliable data transmission. Some common application fields include:

1. Industrial Automation: Enables communication between PLCs (Programmable Logic Controllers), sensors, and actuators in automated systems.
2. Automotive Electronics: Facilitates communication between different electronic modules within vehicles, such as engine control units, airbag systems, and infotainment systems.
3. Building Automation: Supports communication between various building management systems, including HVAC (Heating, Ventilation, and Air Conditioning), lighting control, and access control systems.
4. Energy Management: Allows for data exchange between smart meters, energy monitoring systems, and power distribution equipment.
5. Medical Devices: Enables communication between medical instruments, patient monitoring systems, and healthcare infrastructure.

Detailed and Complete Alternative Models

1. MAX485: Similar half-duplex transceiver IC with RS-485 compatibility.
2. LTC2862: Low-power, high-speed transceiver IC with extended temperature range.
3. SN65HVD230: Half-duplex transceiver IC with integrated ESD protection.

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