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ST485ERXDR
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ST485ERXDR

Product Overview

Category

ST485ERXDR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in communication systems for data transmission and reception.

Characteristics

  • High-speed data transmission
  • Low power consumption
  • Robust noise immunity
  • Wide operating voltage range

Package

ST485ERXDR is available in a small outline package (SOP) with 8 pins.

Essence

The essence of this product lies in its ability to facilitate reliable and efficient data communication between devices.

Packaging/Quantity

ST485ERXDR is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Data Rate: Up to 20 Mbps
  • Operating Temperature Range: -40°C to +85°C
  • Number of Pins: 8
  • Package Type: SOP

Detailed Pin Configuration

  1. A
  2. B
  3. GND
  4. Vcc
  5. Y
  6. Z
  7. RO
  8. RE

Functional Features

  • Differential Line Driver and Receiver
  • Half-Duplex Communication
  • Thermal Shutdown Protection
  • Short-Circuit Protection
  • Receiver Input Impedance: 12 kΩ

Advantages

  • High-speed data transmission allows for quick and efficient communication.
  • Low power consumption ensures energy efficiency.
  • Robust noise immunity enables reliable data transfer even in noisy environments.
  • Wide operating voltage range provides flexibility in various applications.

Disadvantages

  • Limited to half-duplex communication, which means data can only be transmitted or received at a time.
  • Requires external components for complete functionality.

Working Principles

ST485ERXDR operates based on the principles of differential signaling. It uses a balanced transmission line to transmit data, which helps in reducing noise interference and improving signal integrity. The IC incorporates driver and receiver circuits that enable bidirectional communication.

Detailed Application Field Plans

ST485ERXDR finds applications in various fields, including:

  1. Industrial Automation: Used for communication between sensors, actuators, and control systems.
  2. Automotive Electronics: Enables data exchange between different automotive modules.
  3. Telecommunications: Facilitates reliable data transmission in telecommunication networks.
  4. Home Automation: Allows for communication between smart devices within a home network.
  5. Medical Devices: Used for data transfer in medical equipment and monitoring systems.

Detailed and Complete Alternative Models

  1. MAX485
  2. SN75176
  3. LTC485
  4. ADM485
  5. SP485

These alternative models offer similar functionality and can be used as substitutes for ST485ERXDR in various applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan ST485ERXDR dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of ST485ERXDR in technical solutions:

  1. Q: What is ST485ERXDR? A: ST485ERXDR is a popular RS-485/RS-422 transceiver IC manufactured by STMicroelectronics.

  2. Q: What is the purpose of using ST485ERXDR in technical solutions? A: ST485ERXDR is used for bidirectional data communication over long distances, providing robustness and noise immunity.

  3. Q: What is the maximum data rate supported by ST485ERXDR? A: ST485ERXDR supports data rates up to 20 Mbps, making it suitable for high-speed applications.

  4. Q: Can ST485ERXDR be used with both RS-485 and RS-422 standards? A: Yes, ST485ERXDR is compatible with both RS-485 and RS-422 standards, offering flexibility in various applications.

  5. Q: Does ST485ERXDR require external components for operation? A: Yes, ST485ERXDR requires external biasing resistors and termination resistors for proper operation.

  6. Q: What is the operating voltage range of ST485ERXDR? A: ST485ERXDR operates from a supply voltage range of 4.5V to 5.5V.

  7. Q: Is ST485ERXDR capable of handling half-duplex or full-duplex communication? A: ST485ERXDR supports both half-duplex and full-duplex communication modes, depending on the application requirements.

  8. Q: Can ST485ERXDR be used in industrial environments? A: Yes, ST485ERXDR is designed to operate in harsh industrial environments, offering enhanced noise immunity and ESD protection.

  9. Q: What is the maximum distance supported by ST485ERXDR for reliable communication? A: ST485ERXDR can support communication distances up to 1200 meters, depending on the data rate and cable quality.

  10. Q: Are there any application notes or reference designs available for using ST485ERXDR? A: Yes, STMicroelectronics provides application notes and reference designs that help users implement ST485ERXDR in their technical solutions effectively.

Please note that these answers are general and may vary based on specific implementation requirements.