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ST485ABDR
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ST485ABDR

Product Overview

Category

ST485ABDR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for communication purposes in various applications.

Characteristics

  • High-speed data transmission
  • Low power consumption
  • Robustness and reliability
  • Wide operating voltage range

Package

ST485ABDR is available in a small outline package (SOIC) with 8 pins.

Essence

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

Packaging/Quantity

ST485ABDR is typically packaged in reels, with each reel containing a specific quantity of ICs.

Specifications

  • Operating Voltage Range: 4.5V to 5.5V
  • Data Rate: Up to 20 Mbps
  • Number of Pins: 8
  • Temperature Range: -40°C to +85°C
  • Supply Current: 300µA (typical)

Detailed Pin Configuration

  1. A
  2. B
  3. GND
  4. Y
  5. Z
  6. RE
  7. DE
  8. VCC

Functional Features

  • Differential bus transceiver
  • ESD protection on bus pins
  • Receiver input threshold hysteresis
  • Driver output slew rate control

Advantages

  • High-speed data transmission capability
  • Low power consumption for energy efficiency
  • Robustness against electrostatic discharge (ESD)
  • Versatile operating voltage range

Disadvantages

  • Limited temperature range (-40°C to +85°C)
  • Requires external components for complete functionality

Working Principles

ST485ABDR operates as a differential bus transceiver, facilitating bidirectional communication between devices. It uses a balanced line driver and receiver to transmit and receive data over a twisted-pair cable. The device incorporates ESD protection on the bus pins, ensuring reliability in harsh environments.

Detailed Application Field Plans

ST485ABDR finds applications in various fields, including:

  1. Industrial automation
  2. Building automation
  3. Automotive systems
  4. Telecommunications
  5. Medical equipment

Alternative Models

Other alternative models that can be considered as replacements for ST485ABDR include:

  1. MAX485
  2. SN65HVD485
  3. LTC485
  4. ADM485
  5. SP485

These models offer similar functionality and can be used interchangeably depending on specific requirements.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng ST485ABDR sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of ST485ABDR in technical solutions:

  1. Q: What is ST485ABDR? A: ST485ABDR is a popular RS-485 transceiver IC (integrated circuit) used for serial communication in industrial and automotive applications.

  2. Q: What is the operating voltage range of ST485ABDR? A: The operating voltage range of ST485ABDR is typically between 4.5V and 5.5V.

  3. Q: Can ST485ABDR be used for half-duplex communication? A: Yes, ST485ABDR supports half-duplex communication, where data can be transmitted and received on a single pair of wires.

  4. Q: What is the maximum data rate supported by ST485ABDR? A: ST485ABDR can support data rates up to 20 Mbps, making it suitable for high-speed communication requirements.

  5. Q: Is ST485ABDR compatible with different logic levels? A: Yes, ST485ABDR is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels.

  6. Q: Can ST485ABDR be used in harsh environments? A: Yes, ST485ABDR is designed to operate reliably in harsh industrial environments, with features like ESD protection and wide temperature range.

  7. Q: Does ST485ABDR require external components for operation? A: Yes, ST485ABDR requires external resistors for termination and biasing, as well as capacitors for stability.

  8. Q: Can ST485ABDR be used in multi-drop networks? A: Yes, ST485ABDR is commonly used in multi-drop networks, where multiple devices can be connected on a single bus.

  9. Q: What is the maximum distance supported by ST485ABDR? A: The maximum distance supported by ST485ABDR depends on factors like cable quality and data rate, but it can typically reach several hundred meters.

  10. Q: Is ST485ABDR compatible with other RS-485 transceivers? A: Yes, ST485ABDR is compatible with other RS-485 transceivers, allowing for interoperability in systems that use different transceiver ICs.

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