ISO1H802G

Product Overview

Category: Integrated Circuit (IC)

Use: The ISO1H802G is a high-speed digital isolator designed for use in various electronic applications. It provides galvanic isolation between different parts of a circuit, ensuring safety and preventing noise interference.

Characteristics: - High-speed data transmission - Low power consumption - Wide operating temperature range - Robust isolation barrier - Compact package size

Package: The ISO1H802G is available in a small outline integrated circuit (SOIC) package, which ensures easy integration into existing circuit designs.

Essence: The essence of the ISO1H802G lies in its ability to provide reliable and secure isolation between different sections of an electronic circuit, allowing for safe and efficient data transmission.

Packaging/Quantity: Each ISO1H802G unit is packaged individually and is typically sold in reels containing multiple units, making it suitable for both prototyping and large-scale production.

Specifications

The ISO1H802G offers the following specifications:

• Isolation Voltage: 2500 Vrms
• Data Rate: Up to 100 Mbps
• Supply Voltage Range: 3.0 V to 5.5 V
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 10 ns (max)
• Rise/Fall Time: 2 ns (typ)

Detailed Pin Configuration

The ISO1H802G features a 16-pin configuration, with each pin serving a specific function. The pinout diagram is as follows:

Pin 1: VDD1 Pin 2: GND1 Pin 3: NC Pin 4: A1 Pin 5: B1 Pin 6: GND2 Pin 7: VDD2 Pin 8: VDD2 Pin 9: GND2 Pin 10: B2 Pin 11: A2 Pin 12: NC Pin 13: GND1 Pin 14: VDD1 Pin 15: VDD1 Pin 16: GND1

Functional Features

The ISO1H802G offers the following functional features:

• High-speed data transmission: The IC supports data rates of up to 100 Mbps, enabling fast and efficient communication between isolated sections of a circuit.
• Low power consumption: With its optimized design, the ISO1H802G minimizes power consumption, making it suitable for battery-powered applications.
• Robust isolation barrier: The IC provides a reliable isolation barrier, protecting sensitive components from voltage spikes and noise interference.
• Wide operating temperature range: The ISO1H802G can operate in extreme temperature conditions, ranging from -40°C to +125°C, ensuring its suitability for various environments.

Advantages and Disadvantages

Advantages: - High-speed data transmission capability - Low power consumption - Robust isolation barrier - Wide operating temperature range

Disadvantages: - Limited number of pins for input/output connections - Relatively higher cost compared to non-isolated alternatives

Working Principles

The ISO1H802G utilizes advanced isolation techniques, such as capacitive coupling and differential signaling, to achieve galvanic isolation. It employs internal transformers to transmit data across the isolation barrier while maintaining signal integrity and minimizing distortion.

Detailed Application Field Plans

The ISO1H802G finds applications in various fields, including but not limited to:

1. Industrial Automation: Isolation of control signals in motor drives, PLCs, and industrial sensors.
2. Power Electronics: Isolation of gate drive signals in inverters, converters, and power supplies.
3. Automotive Electronics: Isolation of communication signals in electric vehicles, battery management systems, and automotive sensors.
4. Medical Devices: Isolation of sensitive signals in patient monitoring equipment, diagnostic devices, and medical imaging systems.

Detailed and Complete Alternative Models

1. ISO1H811G: Similar to the ISO1H802G, but with additional features for enhanced noise immunity.
2. ISO1H804G: A quad-channel version of the ISO1H802G, providing isolation for multiple signal paths.
3. ISO1H803G: Offers lower data rates but with improved power efficiency for applications with lower bandwidth requirements.

These alternative models provide flexibility in choosing the most suitable isolator based on specific application needs.

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