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SN65HVD21DR
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SN65HVD21DR

Product Overview

Category

SN65HVD21DR belongs to the category of integrated circuits (ICs) specifically designed for use in communication systems.

Use

This product is commonly used as a transceiver in various communication protocols, including Controller Area Network (CAN) bus systems.

Characteristics

  • High-speed data transmission capability
  • Low power consumption
  • Robustness and reliability in harsh environments
  • Wide operating voltage range
  • ESD protection

Package

SN65HVD21DR is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of SN65HVD21DR lies in its ability to facilitate reliable and efficient communication between different nodes in a network.

Packaging/Quantity

SN65HVD21DR is typically sold in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact quantity may vary depending on the supplier.

Specifications

  • Supply Voltage: 3.3V
  • Data Rate: Up to 1 Mbps
  • Operating Temperature Range: -40°C to +125°C
  • Input Common Mode Range: -12V to +12V
  • Output Voltage Range: 0V to VCC
  • Quiescent Current: 5mA (typical)

Detailed Pin Configuration

  1. VCC: Power supply input
  2. GND: Ground reference
  3. CANH: CAN high-level input/output
  4. CANL: CAN low-level input/output
  5. RS: Receiver input/output
  6. DE: Driver enable input
  7. VREF: Reference voltage output
  8. NC: No connection

Functional Features

  • Differential bus operation
  • Bus fault protection
  • Thermal shutdown protection
  • Transient voltage suppression
  • Fail-safe receiver inputs
  • Slope control for reduced electromagnetic interference (EMI)

Advantages

  • High-speed data transmission capability enables efficient communication in time-critical applications.
  • Low power consumption contributes to energy efficiency and longer battery life.
  • Robustness and reliability make it suitable for use in harsh industrial environments.
  • Wide operating voltage range allows compatibility with various systems.
  • ESD protection safeguards the IC from electrostatic discharge damage.

Disadvantages

  • Limited pin configuration may restrict its use in certain complex communication systems.
  • Requires external components for complete functionality, which adds complexity to the design.

Working Principles

SN65HVD21DR operates based on the principles of differential signaling. It transmits and receives data using a balanced pair of signals (CANH and CANL) to ensure noise immunity and reliable communication over long distances.

Detailed Application Field Plans

SN65HVD21DR finds extensive application in various industries, including automotive, industrial automation, medical devices, and telecommunications. It is commonly used in:

  • Automotive electronic control units (ECUs)
  • Industrial control systems
  • Medical equipment interfaces
  • Communication modules

Detailed and Complete Alternative Models

  1. MCP2551: A popular alternative with similar specifications and features.
  2. TJA1050: Another widely used alternative offering comparable performance.
  3. SN65HVD230: An alternative model with enhanced fault protection capabilities.

These alternative models can be considered based on specific requirements and system compatibility.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät SN65HVD21DR :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of SN65HVD21DR in technical solutions:

  1. Q: What is SN65HVD21DR? A: SN65HVD21DR is a high-speed CAN transceiver designed for use in automotive and industrial applications.

  2. Q: What is the operating voltage range of SN65HVD21DR? A: SN65HVD21DR operates within a voltage range of 3.3V to 5V.

  3. Q: Can SN65HVD21DR be used in both half-duplex and full-duplex communication modes? A: Yes, SN65HVD21DR supports both half-duplex and full-duplex communication modes.

  4. Q: What is the maximum data rate supported by SN65HVD21DR? A: SN65HVD21DR supports a maximum data rate of 1 Mbps.

  5. Q: Is SN65HVD21DR compatible with CAN 2.0A and CAN 2.0B protocols? A: Yes, SN65HVD21DR is fully compatible with both CAN 2.0A and CAN 2.0B protocols.

  6. Q: Does SN65HVD21DR have built-in protection features? A: Yes, SN65HVD21DR has built-in protection features such as thermal shutdown and bus fault protection.

  7. Q: Can SN65HVD21DR be used in harsh environments? A: Yes, SN65HVD21DR is designed to operate reliably in harsh environments with its robust EMC performance and wide temperature range (-40°C to +125°C).

  8. Q: What is the typical quiescent current consumption of SN65HVD21DR? A: The typical quiescent current consumption of SN65HVD21DR is around 5 mA.

  9. Q: Can SN65HVD21DR be used with microcontrollers and other digital devices? A: Yes, SN65HVD21DR can be easily interfaced with microcontrollers and other digital devices through its standard logic-level inputs and outputs.

  10. Q: Are there any application notes or reference designs available for SN65HVD21DR? A: Yes, Texas Instruments provides application notes and reference designs to help users implement SN65HVD21DR in their technical solutions effectively.

Please note that these answers are general and may vary depending on the specific requirements and use cases. It's always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.