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SN65HVD21ADR

SN65HVD21ADR

Product Overview

  • Category: Integrated Circuit
  • Use: Transceiver
  • Characteristics: High-speed, low-power, half-duplex communication
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Transmits and receives data over a single twisted-pair bus
  • 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 (Human Body Model)
  • Receiver Input Threshold: ±200 mV
  • Driver Output Impedance: 60 Ω

Pin Configuration

The SN65HVD21ADR has the following pin configuration:

  1. GND (Ground)
  2. VCC (Supply Voltage)
  3. RxD (Receiver Data Input)
  4. TxD (Transmitter Data Output)
  5. DE (Driver Enable)
  6. RE (Receiver Enable)
  7. RS (Receiver Output)
  8. DI (Driver Input)

Functional Features

  • Half-duplex communication
  • Low power consumption
  • Wide supply voltage range
  • Built-in ESD protection
  • Receiver input threshold hysteresis
  • Driver output short-circuit protection

Advantages and Disadvantages

Advantages: - High-speed data transmission - Low power consumption - Wide operating temperature range - Robust ESD protection

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

Working Principles

The SN65HVD21ADR is a transceiver IC designed for half-duplex communication over a single twisted-pair bus. It operates by converting digital signals into differential voltages suitable for transmission over the bus. The receiver section converts the differential voltages back into digital signals. The driver and receiver sections are controlled by the DE (Driver Enable) and RE (Receiver Enable) pins, respectively.

Detailed Application Field Plans

The SN65HVD21ADR is commonly used in various applications, including:

  1. Industrial Automation: Used for communication between PLCs (Programmable Logic Controllers), sensors, and actuators in industrial control systems.
  2. Automotive Electronics: Enables communication between different electronic modules in vehicles, such as ECUs (Electronic Control Units), sensors, and displays.
  3. Building Automation: Facilitates communication between different devices in smart buildings, including HVAC (Heating, Ventilation, and Air Conditioning) systems, lighting controls, and security systems.

Detailed and Complete Alternative Models

  • MAX485
  • LTC485
  • ADM2483
  • ISO1050

These alternative models offer similar functionality to the SN65HVD21ADR and can be used as replacements depending on specific requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SN65HVD21ADR في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of SN65HVD21ADR in technical solutions:

  1. Q: What is SN65HVD21ADR? A: SN65HVD21ADR is a high-speed CAN transceiver designed for use in automotive and industrial applications.

  2. Q: What is the operating voltage range of SN65HVD21ADR? A: The operating voltage range of SN65HVD21ADR is from 3.3V to 5V.

  3. Q: Can SN65HVD21ADR be used in both automotive and industrial applications? A: Yes, SN65HVD21ADR is suitable for both automotive and industrial applications.

  4. Q: What is the maximum data rate supported by SN65HVD21ADR? A: SN65HVD21ADR supports a maximum data rate of 1 Mbps.

  5. Q: Does SN65HVD21ADR have built-in protection features? A: Yes, SN65HVD21ADR has built-in protection features such as thermal shutdown and short-circuit protection.

  6. Q: Can SN65HVD21ADR be used in a multi-node network? A: Yes, SN65HVD21ADR can be used in a multi-node network as it supports up to 32 nodes.

  7. Q: What is the typical quiescent current consumption of SN65HVD21ADR? A: The typical quiescent current consumption of SN65HVD21ADR is around 8 mA.

  8. Q: Is SN65HVD21ADR compatible with other CAN transceivers? A: Yes, SN65HVD21ADR is compatible with other CAN transceivers that comply with ISO 11898-2 standard.

  9. Q: Can SN65HVD21ADR operate in harsh environments? A: Yes, SN65HVD21ADR is designed to operate in harsh environments with a wide temperature range and high electromagnetic immunity.

  10. Q: What package options are available for SN65HVD21ADR? A: SN65HVD21ADR is available in various package options, including SOIC-8 and VSSOP-8.

Please note that these answers are general and may vary depending on the specific application and requirements.