ISL32437EIBZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: The ISL32437EIBZ-T is a high-speed, 3.3V powered RS-485/RS-422 transceiver designed for half-duplex communication in industrial applications.

Characteristics: - Supports data rates up to 20Mbps - Operates from a single 3.3V power supply - Features ±15kV ESD protection on the bus pins - Provides low quiescent current consumption - Offers hot plug capability - Supports up to 256 transceivers on the bus

Package: The ISL32437EIBZ-T comes in a small outline integrated circuit (SOIC) package.

Essence: This IC serves as a reliable and efficient solution for long-distance data transmission in industrial environments.

Packaging/Quantity: The ISL32437EIBZ-T is typically sold in reels, with 2500 units per reel.

Specifications

• Supply Voltage Range: 3.0V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 1
• Data Rate: Up to 20Mbps
• Receiver Input Resistance: 12kΩ
• Transmitter Output Resistance: 13Ω
• ESD Protection: ±15kV (Human Body Model)
• Package Type: SOIC-16

Pin Configuration

The ISL32437EIBZ-T features a 16-pin SOIC package with the following pin configuration:

Pin 1: DE (Driver Enable) Pin 2: RE (Receiver Enable) Pin 3: RO (Receiver Output) Pin 4: DI (Driver Input) Pin 5: GND (Ground) Pin 6: B (Bus Terminal B) Pin 7: A (Bus Terminal A) Pin 8: VCC (Power Supply) Pin 9: RTS (Request to Send) Pin 10: CTS (Clear to Send) Pin 11: NC (No Connection) Pin 12: NC (No Connection) Pin 13: NC (No Connection) Pin 14: NC (No Connection) Pin 15: NC (No Connection) Pin 16: NC (No Connection)

Functional Features

• Half-duplex RS-485/RS-422 transceiver
• High-speed data transmission up to 20Mbps
• Low quiescent current consumption for power efficiency
• Hot plug capability for easy installation and replacement
• ESD protection of ±15kV on bus pins ensures robustness in industrial environments
• Supports multi-point systems with up to 256 transceivers on the bus

Advantages and Disadvantages

Advantages: - High-speed data transmission capability - Low power consumption - Robust ESD protection - Suitable for industrial applications - Easy installation and replacement

Disadvantages: - Limited to half-duplex communication - Requires external components for full functionality

Working Principles

The ISL32437EIBZ-T operates as a half-duplex transceiver, allowing bidirectional data transmission over a single pair of twisted-pair cables. It uses differential signaling to achieve noise immunity and long-distance communication. The driver and receiver sections are enabled/disabled using the DE (Driver Enable) and RE (Receiver Enable) pins, respectively. The transceiver supports hot plug capability, allowing devices to be connected or disconnected from the bus without causing disruption.

Detailed Application Field Plans

The ISL32437EIBZ-T is commonly used in various industrial applications, including:

1. Factory Automation Systems: Enables reliable communication between PLCs, sensors, and actuators in automated manufacturing processes.
2. Building Automation Systems: Facilitates data exchange between control panels, HVAC systems, lighting controls, and other building automation devices.
3. Process Control Systems: Provides a robust communication link for distributed control systems (DCS) used in oil refineries, chemical plants, and power generation facilities.
4. Transportation Systems: Supports communication between onboard controllers, vehicle tracking systems, and external devices in transportation applications such as railways and intelligent transportation systems.
5. Renewable Energy Systems: Enables data transmission between solar inverters, wind turbines, and monitoring/control systems in renewable energy installations.

Detailed and Complete Alternative Models

1. MAX485EESA+: A similar RS-485/RS-422 transceiver with a 10Mbps data rate and ±15kV ESD protection. It comes in an SOIC-8 package.
2. SN65HVD485EDR: Another half-duplex RS-485 transceiver offering a 20Mbps data rate and ±16kV ESD protection. It is available in an SOIC-