ISL83485IBZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: ISL83485IBZ-T is a high-speed, 3.3V, quad-channel RS-485/RS-422 transceiver. It is designed to provide robust communication in industrial automation, instrumentation, and automotive applications.

Characteristics: - High-speed data transmission - Robust noise immunity - Low power consumption - Wide operating voltage range - ESD protection

Package: The ISL83485IBZ-T comes in a small outline integrated circuit (SOIC) package.

Essence: This IC serves as a reliable interface between microcontrollers or other digital devices and the RS-485/RS-422 communication bus.

Packaging/Quantity: The ISL83485IBZ-T is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 3.0V to 3.6V
• Data Rate: Up to 20Mbps
• Number of Channels: 4
• Operating Temperature Range: -40°C to +85°C
• ESD Protection: ±15kV (Human Body Model)
• Package Type: SOIC-16

Pin Configuration

The ISL83485IBZ-T has a total of 16 pins, which are assigned as follows:

1. DE (Driver Enable) Channel 1
2. A (Non-Inverting Driver Output) Channel 1
3. B (Inverting Driver Output) Channel 1
4. GND (Ground)
5. B (Inverting Receiver Input) Channel 1
6. A (Non-Inverting Receiver Input) Channel 1
7. RE (Receiver Enable) Channel 1
8. VCC (Power Supply)
9. B (Inverting Receiver Input) Channel 2
10. A (Non-Inverting Receiver Input) Channel 2
11. RE (Receiver Enable) Channel 2
12. DE (Driver Enable) Channel 2
13. B (Inverting Driver Output) Channel 2
14. A (Non-Inverting Driver Output) Channel 2
15. GND (Ground)
16. VCC (Power Supply)

Functional Features

• High-speed data transmission: The ISL83485IBZ-T supports data rates of up to 20Mbps, enabling fast and efficient communication.
• Robust noise immunity: It incorporates advanced noise cancellation techniques, ensuring reliable operation in noisy industrial environments.
• Low power consumption: The IC is designed to minimize power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: With a supply voltage range of 3.0V to 3.6V, the IC can be easily integrated into various systems.
• ESD protection: The device provides ±15kV ESD protection, safeguarding against electrostatic discharge events.

Advantages and Disadvantages

Advantages: - High-speed data transmission capability - Robust noise immunity for reliable communication - Low power consumption for energy-efficient operation - Wide operating voltage range for compatibility with different systems - ESD protection for enhanced durability

Disadvantages: - Limited to RS-485/RS-422 communication protocols - Requires additional external components for complete system integration

Working Principles

The ISL83485IBZ-T operates based on the RS-485/RS-422 communication standards. It uses differential signaling to transmit and receive data over long distances. The driver section converts digital signals from the microcontroller into balanced differential voltages, while the receiver section converts the received differential voltages back into digital signals.

Detailed Application Field Plans

The ISL83485IBZ-T finds applications in various fields, including: 1. Industrial automation: It enables reliable communication between industrial control systems, PLCs, and sensors. 2. Instrumentation: The IC facilitates data transmission in measurement and testing equipment, ensuring accurate and timely results. 3. Automotive: It is used for communication between different automotive modules, such as engine control units (ECUs) and body control modules (BCMs).

Detailed and Complete Alternative Models

1. SN65HVD485E: This is a similar quad-channel RS-485 transceiver with comparable specifications and features.
2. MAX485: Another alternative, the MAX485 is a low-power, half-duplex RS-485/RS-422 transceiver.

These alternative models offer similar functionality and can be considered as substitutes for the ISL83485IBZ-T based on specific application requirements.

In conclusion, the ISL83485IBZ-T is a high-speed, quad-channel RS-485/RS-422 transceiver designed for robust communication in industrial automation, instrumentation, and automotive applications. With its advanced features and wide operating voltage range, it provides reliable and efficient data transmission.