ISL84515IHZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: The ISL84515IHZ-T is a high-speed, dual-channel digital isolator designed for use in various electronic applications. It provides galvanic isolation between two circuits, allowing for safe and reliable signal transmission.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Robust isolation barrier - Small form factor

Package: The ISL84515IHZ-T is available in a compact surface-mount package, making it suitable for space-constrained designs.

Essence: The essence of the ISL84515IHZ-T lies in its ability to provide electrical isolation while maintaining signal integrity and minimizing power consumption.

Packaging/Quantity: The ISL84515IHZ-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2.25V 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)
• Quiescent Current: 1.6 mA (typ)

Pin Configuration

The ISL84515IHZ-T features a dual-channel configuration with eight pins. The pinout is as follows:

Pin 1: VDD1 Pin 2: GND1 Pin 3: CH1A Pin 4: CH1B Pin 5: VDD2 Pin 6: GND2 Pin 7: CH2A Pin 8: CH2B

Functional Features

• Dual-channel design allows for independent signal transmission and reception.
• High-speed operation enables efficient data transfer between isolated circuits.
• Low power consumption ensures energy efficiency in battery-powered applications.
• Robust isolation barrier provides protection against voltage spikes and noise.
• Wide operating voltage range allows for compatibility with various systems.

Advantages and Disadvantages

Advantages: - Provides galvanic isolation, ensuring safety and reliability. - High-speed operation facilitates fast data transfer. - Small form factor enables space-saving designs. - Wide operating voltage range enhances versatility.

Disadvantages: - Relatively higher cost compared to non-isolated alternatives. - Limited number of channels per IC package.

Working Principles

The ISL84515IHZ-T utilizes capacitive coupling and proprietary digital isolation techniques to achieve electrical isolation. The input signals are converted into high-frequency digital signals, which are then transmitted across the isolation barrier. On the receiving side, the digital signals are reconstructed into their original form. This process ensures that the signals remain isolated from each other, protecting the connected circuits from potential voltage differences or noise.

Detailed Application Field Plans

The ISL84515IHZ-T finds application in a wide range of industries and electronic systems, including:

1. Industrial Automation: Used for isolating control signals in motor drives, PLCs, and industrial sensors.
2. Power Electronics: Enables isolation in inverters, power supplies, and DC-DC converters.
3. Automotive: Provides isolation for CAN bus communication, battery management systems, and electric vehicle charging systems.
4. Medical Devices: Ensures patient safety by isolating sensitive medical equipment from external sources.
5. Telecommunications: Used in network equipment, base stations, and optical transceivers for signal isolation.

Alternative Models

1. ADuM1200ARZ: Dual-channel digital isolator with similar specifications and pin configuration.
2. ISO7241CDW: Quad-channel digital isolator offering additional channels for increased flexibility.
3. MAX14850: High-speed, dual-channel digital isolator with enhanced noise immunity.

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

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