ISL84544IH-T

Product Overview

Category: Integrated Circuit (IC)

Use: The ISL84544IH-T is a high-speed, quad-channel digital isolator designed for use in various industrial applications. It provides galvanic isolation between different circuits, ensuring signal integrity and protection against voltage spikes.

Characteristics: - High-speed data transmission - Low power consumption - Wide operating temperature range - Robust isolation barrier - Small form factor

Package: The ISL84544IH-T is available in a compact 16-pin SOIC package, which allows for easy integration into circuit boards.

Essence: The essence of the ISL84544IH-T lies in its ability to provide reliable and secure isolation between different parts of an electronic system, preventing noise interference and potential damage caused by ground loops or voltage differences.

Packaging/Quantity: The ISL84544IH-T is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Data Rate: Up to 100 Mbps
• Isolation Voltage: 2.5 kVrms
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 10 ns (max)
• Power Consumption: 1.6 mA (typ)

Detailed Pin Configuration

The ISL84544IH-T features a 16-pin configuration with the following pin assignments:

1. VDD1: Positive supply voltage for Channel 1
2. GND1: Ground for Channel 1
3. RX1: Receiver input for Channel 1
4. TX1: Transmitter output for Channel 1
5. VDD2: Positive supply voltage for Channel 2
6. GND2: Ground for Channel 2
7. RX2: Receiver input for Channel 2
8. TX2: Transmitter output for Channel 2
9. VDD3: Positive supply voltage for Channel 3
10. GND3: Ground for Channel 3
11. RX3: Receiver input for Channel 3
12. TX3: Transmitter output for Channel 3
13. VDD4: Positive supply voltage for Channel 4
14. GND4: Ground for Channel 4
15. RX4: Receiver input for Channel 4
16. TX4: Transmitter output for Channel 4

Functional Features

• High-speed data transmission: The ISL84544IH-T supports data rates of up to 100 Mbps, making it suitable for applications requiring fast and reliable communication.
• Robust isolation barrier: With an isolation voltage of 2.5 kVrms, the IC provides a strong barrier between input and output circuits, ensuring reliable signal isolation.
• Low power consumption: The IC is designed to operate with low power consumption, making it energy-efficient and suitable for battery-powered devices.
• Wide operating temperature range: The ISL84544IH-T can withstand extreme temperatures ranging from -40°C to +125°C, making it suitable for harsh industrial environments.

Advantages and Disadvantages

Advantages: - Provides galvanic isolation, protecting sensitive components from voltage spikes and noise interference. - High-speed data transmission capability enables efficient communication between different parts of a system. - Compact form factor allows for easy integration into circuit boards. - Wide operating temperature range ensures reliability in various environmental conditions.

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

Working Principles

The ISL84544IH-T utilizes capacitive coupling and proprietary digital isolation technology to achieve galvanic isolation between input and output channels. The IC employs high-speed CMOS technology to transmit data across the isolation barrier, ensuring minimal signal distortion and high noise immunity.

Detailed Application Field Plans

The ISL84544IH-T is widely used in various industrial applications, including but not limited to: - Motor control systems - Power inverters - Industrial automation - Robotics - Programmable logic controllers (PLCs) - Communication interfaces

Detailed and Complete Alternative Models

1. ADuM1401: Quad-Channel Digital Isolator with 2.5 kVrms Isolation Voltage
2. ISO7741: High-Speed Quad-Channel Digital Isolator with 100 Mbps Data Rate
3. MAX14850: Quad-Channel Digital Isolator with Low Power Consumption and Wide Temperature Range

These alternative models offer similar functionality and can be considered as alternatives to the ISL84544IH-T based on specific application requirements.

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