ISL32459EIBZ

Product Overview

Category

ISL32459EIBZ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for serial communication applications.

Characteristics

• High-speed RS-485/RS-422 transceiver
• Supports data rates up to 20Mbps
• Operates from a single 3.3V power supply
• Low quiescent current consumption
• Enhanced ESD protection
• Industrial temperature range (-40°C to +85°C)

Package

ISL32459EIBZ is available in an industry-standard 28-lead SOIC package.

Essence

The essence of ISL32459EIBZ lies in its ability to provide reliable and high-speed communication between devices using the RS-485/RS-422 protocols.

Packaging/Quantity

This product is typically sold in reels, with each reel containing 250 units.

Specifications

• Supply Voltage: 3.3V
• Data Rate: Up to 20Mbps
• Number of Channels: 1
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-28

Detailed Pin Configuration

The pin configuration of ISL32459EIBZ is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | DE | Driver Enable | | 2 | RE | Receiver Enable | | 3 | RO | Receiver Output | | 4 | DI | Driver Input | | 5 | GND | Ground | | 6 | VCC | Power Supply | | 7 | A | Non-Inverting Differential Line A | | 8 | B | Inverting Differential Line B | | 9 | Y | Non-Inverting Receiver Output | | 10 | Z | Inverting Receiver Output | | 11 | RTS | Request to Send | | 12 | CTS | Clear to Send | | 13 | NC | No Connection | | 14 | NC | No Connection | | 15 | NC | No Connection | | 16 | NC | No Connection | | 17 | NC | No Connection | | 18 | NC | No Connection | | 19 | NC | No Connection | | 20 | NC | No Connection | | 21 | NC | No Connection | | 22 | NC | No Connection | | 23 | NC | No Connection | | 24 | NC | No Connection | | 25 | NC | No Connection | | 26 | NC | No Connection | | 27 | NC | No Connection | | 28 | NC | No Connection |

Functional Features

• High-speed data transmission: ISL32459EIBZ supports data rates up to 20Mbps, making it suitable for applications requiring fast and reliable communication.
• Enhanced ESD protection: The transceiver is designed with enhanced electrostatic discharge (ESD) protection, ensuring robustness in harsh environments.
• Single power supply operation: With a single 3.3V power supply, the IC simplifies the overall system design and reduces component count.
• Driver and receiver enable control: The DE and RE pins allow for flexible control of the driver and receiver functions, enabling efficient data flow management.

Advantages and Disadvantages

Advantages

• High-speed data transmission capability
• Enhanced ESD protection for reliability
• Single power supply operation simplifies design
• Flexible driver and receiver enable control

Disadvantages

• Limited number of channels (1 channel)

Working Principles

ISL32459EIBZ is a high-speed RS-485/RS-422 transceiver that enables bidirectional communication between devices using differential signaling. It operates by converting the single-ended signals from the driver input (DI) into differential signals on the A and B lines, which are then transmitted to the receiving device. The receiver section converts the differential signals received on the A and B lines back into single-ended signals at the non-inverting receiver output (Y) and inverting receiver output (Z).

The driver enable (DE) and receiver enable (RE) pins control the direction of data flow. When DE is high and RE is low, the driver is enabled and the receiver is disabled, allowing the device to transmit data. Conversely, when DE is low and RE is high, the driver is disabled and the receiver is enabled, enabling the device to receive data.

Detailed Application Field Plans

ISL32459EIBZ finds applications in various fields, including:

1. Industrial automation: The transceiver