ADM1485JR-REEL

Product Overview

Category

ADM1485JR-REEL belongs to the category of integrated circuits (ICs) specifically designed for use in industrial applications.

Use

This product is commonly used for data communication and signal transmission in industrial automation systems, such as fieldbus networks.

Characteristics

• High-speed data transmission: ADM1485JR-REEL supports data rates up to 20 Mbps, making it suitable for applications requiring fast and reliable communication.
• Robustness: This IC is designed to withstand harsh industrial environments, with features like ESD protection and high noise immunity.
• Low power consumption: ADM1485JR-REEL is optimized for low power operation, making it suitable for battery-powered devices or energy-efficient systems.

Package

ADM1485JR-REEL is available in a small outline integrated circuit (SOIC) package. The package dimensions are 5.3mm x 6.2mm, providing ease of integration into various electronic systems.

Essence

The essence of ADM1485JR-REEL lies in its ability to facilitate reliable and efficient data communication in industrial settings, ensuring smooth operation of automation systems.

Packaging/Quantity

ADM1485JR-REEL is typically supplied in reels containing a quantity of 250 units per reel.

Specifications

• Supply Voltage: 3.3V
• Data Rate: Up to 20 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 8
• Interface Type: RS-485/RS-422

Pin Configuration

1. AIN-
2. AIN+
3. GND
4. BOUT+
5. BOUT-
6. VCC
7. RO
8. RE

Functional Features

• Differential Line Driver and Receiver: ADM1485JR-REEL provides both the driver and receiver functions required for RS-485/RS-422 communication.
• Half-Duplex Operation: This IC supports half-duplex communication, allowing data transmission in both directions on a single pair of wires.
• Fail-Safe Receiver: ADM1485JR-REEL includes a fail-safe feature that ensures the receiver outputs a known state when the bus is idle or disconnected.

Advantages

• High-speed data transmission capability enables efficient communication in industrial automation systems.
• Robust design with ESD protection and noise immunity ensures reliable operation in harsh environments.
• Low power consumption contributes to energy-efficient system designs.

Disadvantages

• Limited to half-duplex communication, which may not be suitable for applications requiring simultaneous bidirectional data transfer.
• Requires additional external components, such as termination resistors, for proper operation.

Working Principles

ADM1485JR-REEL operates based on the principles of differential signaling. It uses voltage levels to represent logical states, where the difference between two signals determines the transmitted data. The driver amplifies the differential signals, while the receiver detects and decodes the received signals.

Application Field Plans

ADM1485JR-REEL finds extensive use in various industrial automation applications, including: - Factory automation systems - Process control systems - Building management systems - HVAC (Heating, Ventilation, and Air Conditioning) systems - Access control systems

Alternative Models

1. MAX485EESA+: This IC offers similar functionality to ADM1485JR-REEL and is available in an SOIC package.
2. SN65HVD485EDR: Another alternative with comparable features, packaged in an SOIC format.
3. LTC2854IMS#PBF: This IC provides enhanced ESD protection and is available in an MSOP package.

These alternative models can be considered based on specific application requirements and availability.

Word count: 511 words