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ISL32450EIUZ

ISL32450EIUZ

Product Overview

Category: Integrated Circuit (IC)

Use: ISL32450EIUZ is a high-speed, differential line transceiver designed for RS-485 and RS-422 communication protocols. It provides robust data transmission over long distances in industrial automation, building control systems, and other applications.

Characteristics: - High-speed data rates up to 20 Mbps - Wide common-mode range (-7V to +12V) - Low quiescent current (<1µA in shutdown mode) - Enhanced ESD protection (±15kV HBM) - Industrial temperature range (-40°C to +85°C)

Package: The ISL32450EIUZ comes in a small 16-lead QFN package, which offers excellent thermal performance and space-saving benefits.

Essence: This IC serves as a reliable interface between microcontrollers or other digital devices and the RS-485/RS-422 bus, ensuring secure and efficient data transfer.

Packaging/Quantity: The ISL32450EIUZ is typically sold in reels of 2500 units.

Specifications

  • Supply Voltage Range: 3V to 5.5V
  • Number of Channels: 1
  • Data Rate: Up to 20 Mbps
  • Operating Temperature Range: -40°C to +85°C
  • Shutdown Current: <1µA
  • Common-Mode Voltage Range: -7V to +12V
  • ESD Protection: ±15kV (HBM)
  • Package Type: 16-Lead QFN

Pin Configuration

The ISL32450EIUZ features a 16-pin QFN package with the following pin configuration:

  1. DE - Driver Output Enable
  2. RE - Receiver Output Enable
  3. RO - Receiver Output
  4. DI - Driver Input
  5. GND - Ground
  6. VCC - Power Supply
  7. A - Non-Inverting Receiver Input
  8. B - Inverting Receiver Input
  9. Y - Non-Inverting Driver Output
  10. Z - Inverting Driver Output
  11. NC - No Connection
  12. NC - No Connection
  13. NC - No Connection
  14. NC - No Connection
  15. NC - No Connection
  16. NC - No Connection

Functional Features

  • Robust RS-485/RS-422 transceiver
  • High-speed data transmission
  • Wide common-mode voltage range for reliable operation
  • Low power consumption in shutdown mode
  • Enhanced ESD protection for increased reliability

Advantages and Disadvantages

Advantages: - High-speed data rates enable efficient communication - Wide common-mode range allows for flexible system integration - Low quiescent current minimizes power consumption - Enhanced ESD protection ensures robustness in harsh environments

Disadvantages: - Limited to a single channel, not suitable for multi-channel applications - Requires external components for complete functionality

Working Principles

The ISL32450EIUZ operates as a differential line transceiver for RS-485 and RS-422 protocols. It converts the logic-level signals from microcontrollers or digital devices into balanced differential signals suitable for long-distance transmission. The receiver section provides high input impedance and common-mode rejection, while the driver section delivers robust output signals.

Detailed Application Field Plans

The ISL32450EIUZ is widely used in various industrial automation and control systems, including: - Factory automation - Process control - Building management systems - HVAC (Heating, Ventilation, and Air Conditioning) control - Security systems - Access control systems - Energy management systems

Alternative Models

  1. MAX485EESA+: This IC offers similar functionality and features as the ISL32450EIUZ, with a slightly different pin configuration. It is available in an 8-pin SOIC package.
  2. SN65HVD485E: Another alternative with comparable specifications, this IC comes in an 8-pin SOIC package and is suitable for RS-485 applications.

These alternative models can be considered based on specific application requirements and availability.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ISL32450EIUZ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ISL32450EIUZ in technical solutions:

  1. Question: What is ISL32450EIUZ?
    - Answer: ISL32450EIUZ is a high-speed, low-power RS-485/RS-422 transceiver IC.

  2. Question: What is the operating voltage range of ISL32450EIUZ?
    - Answer: The operating voltage range of ISL32450EIUZ is from 3V to 5.5V.

  3. Question: Can ISL32450EIUZ be used for both RS-485 and RS-422 applications?
    - Answer: Yes, ISL32450EIUZ can be used for both RS-485 and RS-422 applications.

  4. Question: What is the maximum data rate supported by ISL32450EIUZ?
    - Answer: ISL32450EIUZ supports a maximum data rate of 20Mbps.

  5. Question: Does ISL32450EIUZ have built-in ESD protection?
    - Answer: Yes, ISL32450EIUZ has built-in ±15kV ESD protection on the RS-485/RS-422 bus pins.

  6. Question: Can ISL32450EIUZ operate in half-duplex mode?
    - Answer: Yes, ISL32450EIUZ can operate in both half-duplex and full-duplex modes.

  7. Question: What is the typical supply current of ISL32450EIUZ?
    - Answer: The typical supply current of ISL32450EIUZ is 300µA.

  8. Question: Is ISL32450EIUZ compatible with 3.3V and 5V microcontrollers?
    - Answer: Yes, ISL32450EIUZ is compatible with both 3.3V and 5V microcontrollers.

  9. Question: Can ISL32450EIUZ be used in industrial environments?
    - Answer: Yes, ISL32450EIUZ is designed to operate in harsh industrial environments.

  10. Question: Does ISL32450EIUZ have a thermal shutdown feature?
    - Answer: Yes, ISL32450EIUZ has a thermal shutdown feature that protects the device from overheating.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.