ISL83490IBZ-T

Product Overview

Category

The ISL83490IBZ-T belongs to the category of high-speed, 5V powered RS-485/RS-422 transceivers.

Use

It is commonly used for industrial automation, building automation, motor control, and other applications requiring robust communication in noisy environments.

Characteristics

• High speed: Supports data rates up to 20Mbps.
• Robustness: Provides ±15kV ESD protection on RS-485 I/O pins.
• Low power: Consumes low quiescent current, making it suitable for battery-powered applications.
• Wide supply voltage range: Operates from a single 3V to 5.5V supply.

Package

The ISL83490IBZ-T comes in a small footprint 8-lead SOIC package, making it suitable for space-constrained applications.

Essence

This transceiver provides reliable and high-speed communication in harsh industrial environments, offering robustness and low power consumption.

Packaging/Quantity

It is typically available in tape and reel packaging with quantities varying based on the supplier.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Data Rate: Up to 20Mbps
• Operating Temperature Range: -40°C to +85°C
• ESD Protection: ±15kV HBM on RS-485 I/O Pins

Detailed Pin Configuration

The ISL83490IBZ-T features an 8-pin configuration: 1. A (Driver Output A) 2. B (Driver Output B) 3. GND (Ground) 4. RO (Receiver Output) 5. RE (Receiver Enable) 6. DE (Driver Enable) 7. VCC (Supply Voltage) 8. /RE (Receiver Output Enable)

Functional Features

• Receiver (RO) and driver (A, B) enable/disable for bus management.
• Thermal shutdown and short-circuit protection.
• Enhanced ESD protection for robust communication in harsh environments.

Advantages and Disadvantages

Advantages

• High-speed data transmission.
• Robustness in noisy industrial environments.
• Low power consumption.
• Wide supply voltage range.

Disadvantages

• Limited to 5V power supply.

Working Principles

The ISL83490IBZ-T operates by converting TTL/CMOS logic levels to RS-485/RS-422 differential signals for reliable long-distance communication. It incorporates features to protect against ESD and short-circuit events while maintaining low power consumption.

Detailed Application Field Plans

The ISL83490IBZ-T is well-suited for various applications including: - Industrial automation systems - Building automation systems - Motor control systems - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models to the ISL83490IBZ-T include: - MAX485 - SN65HVD72 - LTC2850

In summary, the ISL83490IBZ-T is a high-speed, robust transceiver suitable for industrial and building automation, motor control, and other applications requiring reliable communication in challenging environments.

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