Texas Instruments
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SN65HVD21DRG4
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SN65HVD21DRG4

Product Overview

  • Category: Integrated Circuit
  • Use: Transceiver
  • Characteristics: High-speed, low-power, half-duplex communication
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Provides a reliable and efficient means of transmitting data over long distances in industrial applications
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 3V to 5.5V
  • 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 pin
  2. GND: Ground pin
  3. RO: Receiver output pin
  4. DI: Driver input pin
  5. DE: Driver enable pin
  6. RE: Receiver enable pin
  7. RS: Reserved pin
  8. NC: No connection pin

Functional Features

  • Half-Duplex Communication: Allows transmission and reception of data on a single communication line
  • Low Power Consumption: Optimized for energy efficiency, suitable for battery-powered devices
  • ESD Protection: Built-in protection against electrostatic discharge, ensuring device reliability
  • Wide Supply Voltage Range: Can operate with various power sources
  • High Noise Immunity: Resistant to electromagnetic interference, suitable for industrial environments

Advantages

  • Easy Integration: Compact package and simple pin configuration facilitate easy integration into existing designs
  • Robust Communication: Reliable data transmission over long distances, even in noisy environments
  • Cost-Effective Solution: Provides a cost-effective solution for industrial communication needs

Disadvantages

  • Half-Duplex Limitation: Inability to transmit and receive data simultaneously may limit certain applications
  • Limited Data Rate: Maximum data rate of 1 Mbps may not be sufficient for high-speed communication requirements

Working Principles

The SN65HVD21DRG4 is a half-duplex transceiver that uses differential signaling to transmit and receive data. It employs a balanced line driver and receiver to ensure reliable communication over long distances. The driver converts the digital signals into differential voltages, while the receiver detects and decodes these voltages back into digital signals.

Detailed Application Field Plans

  • Industrial Automation: Used in industrial control systems, PLCs (Programmable Logic Controllers), and motor control applications
  • Automotive Electronics: Suitable for automotive networking protocols such as CAN (Controller Area Network)
  • Building Automation: Enables communication between various building automation devices, such as sensors and actuators
  • Energy Management Systems: Facilitates communication between smart meters and energy management systems

Detailed and Complete Alternative Models

  • SN65HVD22DRG4: Similar to SN65HVD21DRG4 but with additional features like bus fault protection
  • MAX485E: Half-duplex RS-485/RS-422 transceiver with similar characteristics
  • LTC2862: Low-power RS-485 transceiver with integrated ESD protection

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του SN65HVD21DRG4 σε τεχνικές λύσεις

  1. What is the SN65HVD21DRG4 used for? The SN65HVD21DRG4 is a CAN transceiver commonly used in industrial and automotive applications for robust serial communication.

  2. What is the operating voltage range of SN65HVD21DRG4? The operating voltage range of SN65HVD21DRG4 is from 3.3V to 5V, making it suitable for a wide range of systems.

  3. Is the SN65HVD21DRG4 compatible with CAN FD (Flexible Data-Rate)? Yes, the SN65HVD21DRG4 is compatible with CAN FD, allowing for higher data rates in modern systems.

  4. What is the maximum data rate supported by SN65HVD21DRG4? The SN65HVD21DRG4 supports data rates up to 5 Mbps, enabling fast and reliable communication.

  5. Does the SN65HVD21DRG4 have built-in protection features? Yes, the SN65HVD21DRG4 includes features such as thermal shutdown and short-circuit protection for enhanced reliability.

  6. Can the SN65HVD21DRG4 be used in harsh environments? Yes, the SN65HVD21DRG4 is designed to operate in harsh industrial and automotive environments, with robustness against electrical disturbances.

  7. What is the typical quiescent current consumption of SN65HVD21DRG4? The typical quiescent current consumption of SN65HVD21DRG4 is low, making it suitable for power-sensitive applications.

  8. Is the SN65HVD21DRG4 available in a small form factor? Yes, the SN65HVD21DRG4 is available in small packages, offering space-saving solutions for compact designs.

  9. Are there any application notes or reference designs available for SN65HVD21DRG4? Yes, application notes and reference designs are available to assist in the implementation of SN65HVD21DRG4 in various technical solutions.

  10. Where can I find more detailed information about the SN65HVD21DRG4? Detailed information about the SN65HVD21DRG4 can be found in the datasheet provided by the manufacturer, along with additional resources on their website.