SN65HVD1786DR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Transceiver
• Characteristics: High-Speed, Low-Power, Half-Duplex
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Communication Interface
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3.3V to 5V
• Data Rate: Up to 1 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 input
2. GND: Ground reference
3. RO: Receiver output
4. DI: Driver input
5. DE: Driver output enable
6. RE: Receiver output enable
7. RS: Receiver input
8. NC: No connection

Functional Features

• High-speed data transmission up to 1 Mbps
• Low-power consumption for energy-efficient operation
• Half-duplex communication mode
• Robust noise immunity for reliable data transfer
• Built-in protection against bus fault conditions
• ESD (Electrostatic Discharge) protection on bus pins

Advantages

• Wide supply voltage range allows compatibility with various systems
• Small package size enables space-saving designs
• High data rate facilitates fast communication
• Low-power operation prolongs battery life in portable devices
• Robust noise immunity ensures reliable data transmission
• Built-in protection safeguards against bus faults and ESD damage

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 SN65HVD1786DR is a transceiver IC designed for half-duplex communication. It operates by converting digital signals from the driver input (DI) into differential voltage signals on the bus, which are then received and converted back to digital signals by the receiver output (RO). The driver output enable (DE) and receiver output enable (RE) pins control the direction of data flow.

The IC incorporates various protection mechanisms to ensure reliable operation. It features built-in protection against bus fault conditions such as short-circuits and overvoltage events. Additionally, ESD protection on the bus pins safeguards the device from electrostatic discharge damage.

Detailed Application Field Plans

The SN65HVD1786DR is widely used in applications that require robust and efficient communication interfaces. Some common application fields include:

1. Industrial Automation: Used in industrial control systems, PLCs (Programmable Logic Controllers), and fieldbus networks for reliable data transmission.
2. Automotive Electronics: Employed in automotive CAN (Controller Area Network) systems for communication between various vehicle components.
3. Home Automation: Integrated into smart home systems for communication between different devices and sensors.
4. Medical Devices: Utilized in medical equipment for secure and accurate data exchange.
5. Energy Management: Applied in energy monitoring and management systems for efficient communication between energy meters and control units.

Detailed and Complete Alternative Models

• SN65HVD1790DR
• MAX485CPA
• LTC2874IDD#PBF
• ADM3053BRWZ
• ISO1050DUBR

These alternative models offer similar functionality and can be considered as replacements for the SN65HVD1786DR in various applications.

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