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ISL83491IBZ-T

ISL83491IBZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: The ISL83491IBZ-T is a high-speed, quad-channel digital isolator designed for use in industrial applications. It provides galvanic isolation between different circuits, protecting sensitive components from voltage spikes and noise.

Characteristics: - High-speed data transmission - Wide operating temperature range - Low power consumption - Robust isolation barrier - High noise immunity

Package: The ISL83491IBZ-T is available in a small outline package (SOIC) with 16 pins.

Essence: The essence of the ISL83491IBZ-T lies in its ability to provide reliable and secure communication between isolated circuits, ensuring data integrity and system safety.

Packaging/Quantity: The ISL83491IBZ-T is typically sold in reels containing 250 units per reel.

Specifications

  • Supply Voltage Range: 3V to 5.5V
  • Data Rate: Up to 40 Mbps
  • Isolation Voltage: 2.5kV RMS
  • Operating Temperature Range: -40°C to +125°C
  • Propagation Delay: 20 ns (max)
  • Rise/Fall Time: 10 ns (typ)

Detailed Pin Configuration

The ISL83491IBZ-T has a total of 16 pins, divided into four channels with four pins each. The pin configuration is as follows:

Channel 1: 1. VDD1: Positive supply voltage for Channel 1 2. GND1: Ground reference for Channel 1 3. RX1: Receiver input for Channel 1 4. TX1: Transmitter output for Channel 1

Channel 2: 5. VDD2: Positive supply voltage for Channel 2 6. GND2: Ground reference for Channel 2 7. RX2: Receiver input for Channel 2 8. TX2: Transmitter output for Channel 2

Channel 3: 9. VDD3: Positive supply voltage for Channel 3 10. GND3: Ground reference for Channel 3 11. RX3: Receiver input for Channel 3 12. TX3: Transmitter output for Channel 3

Channel 4: 13. VDD4: Positive supply voltage for Channel 4 14. GND4: Ground reference for Channel 4 15. RX4: Receiver input for Channel 4 16. TX4: Transmitter output for Channel 4

Functional Features

  • High-speed data transmission: The ISL83491IBZ-T supports data rates of up to 40 Mbps, enabling fast and efficient communication between isolated circuits.
  • Robust isolation barrier: With an isolation voltage of 2.5kV RMS, the IC provides a strong barrier against voltage spikes and noise, ensuring reliable operation in harsh industrial environments.
  • Low power consumption: The IC is designed to minimize power consumption, making it suitable for battery-powered applications or systems with strict power requirements.
  • High noise immunity: The ISL83491IBZ-T has excellent noise immunity, allowing it to maintain signal integrity even in noisy environments.

Advantages and Disadvantages

Advantages: - Provides galvanic isolation, protecting sensitive components from voltage spikes and noise. - High-speed data transmission capability. - Wide operating temperature range allows for use in various industrial environments. - Low power consumption for energy-efficient applications. - Robust isolation barrier ensures system safety and reliability. - High noise immunity for reliable communication in noisy environments.

Disadvantages: - Limited number of channels (four channels) may not be sufficient for certain applications requiring more isolated circuits. - Relatively higher cost compared to non-isolated alternatives.

Working Principles

The ISL83491IBZ-T utilizes a combination of optocoupler and digital signal processing techniques to achieve galvanic isolation. Each channel consists of an input photodiode, a high-speed LED, and a CMOS output stage. When a signal is applied to the input side, the photodiode generates a corresponding current that activates the LED on the output side, transmitting the signal without any direct electrical connection.

Detailed Application Field Plans

The ISL83491IBZ-T is widely used in various industrial applications, including but not limited to: - Motor control systems - Power inverters - Industrial automation - Programmable logic controllers (PLCs) - Data acquisition systems - Communication interfaces

Detailed and Complete Alternative Models

  1. ADuM1401: Quad-channel digital isolator with similar specifications and features.
  2. ISO7741: High-speed quad-channel digital isolator with reinforced isolation.
  3. MAX14850: Quad-channel digital isolator with integrated power isolation.

These alternative models offer similar functionality and can be considered as

Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του ISL83491IBZ-T σε τεχνικές λύσεις

Sure! Here are 10 common questions and answers related to the application of ISL83491IBZ-T in technical solutions:

  1. Question: What is ISL83491IBZ-T?
    Answer: ISL83491IBZ-T is a high-speed, low-power, quad-channel digital isolator designed for use in various applications.

  2. Question: What is the maximum data rate supported by ISL83491IBZ-T?
    Answer: The maximum data rate supported by ISL83491IBZ-T is 100 Mbps.

  3. Question: Can ISL83491IBZ-T be used in industrial automation systems?
    Answer: Yes, ISL83491IBZ-T is suitable for use in industrial automation systems due to its robustness and reliability.

  4. Question: Is ISL83491IBZ-T compatible with different voltage levels?
    Answer: Yes, ISL83491IBZ-T supports wide supply voltage range from 2.5V to 5.5V, making it compatible with various voltage levels.

  5. Question: Can ISL83491IBZ-T be used in automotive applications?
    Answer: Yes, ISL83491IBZ-T is AEC-Q100 qualified and can be used in automotive applications.

  6. Question: Does ISL83491IBZ-T provide galvanic isolation between input and output channels?
    Answer: Yes, ISL83491IBZ-T provides galvanic isolation, ensuring electrical isolation between input and output channels.

  7. Question: What is the operating temperature range of ISL83491IBZ-T?
    Answer: The operating temperature range of ISL83491IBZ-T is -40°C to +125°C, making it suitable for harsh environments.

  8. Question: Can ISL83491IBZ-T be used in battery-powered devices?
    Answer: Yes, ISL83491IBZ-T is designed to operate with low power consumption, making it suitable for battery-powered devices.

  9. Question: Does ISL83491IBZ-T support bidirectional communication?
    Answer: No, ISL83491IBZ-T is a unidirectional digital isolator and supports only one-way communication.

  10. Question: What is the package type of ISL83491IBZ-T?
    Answer: ISL83491IBZ-T is available in an industry-standard SOIC-16 package.

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