ADM485AR-REEL

Product Overview

Category

ADM485AR-REEL belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in industrial applications for data communication and signal transmission.

Characteristics

• High-speed, low-power RS-485/RS-422 transceiver
• Supports data rates up to 10 Mbps
• Operates from a single 5V power supply
• Integrated fail-safe receiver
• Half-duplex communication mode
• ESD protection on bus pins

Package

ADM485AR-REEL is available in an SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of ADM485AR-REEL lies in its ability to provide reliable and efficient data communication in industrial environments.

Packaging/Quantity

This product is typically packaged in reels containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage: 5V
• Data Rate: Up to 10 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 8
• Package Type: SOIC

Detailed Pin Configuration

1. A/B: Non-inverting driver output / Receiver input
2. B/A: Inverting driver output / Receiver input
3. GND: Ground
4. DE: Driver enable input
5. RE: Receiver enable input
6. RO: Receiver output
7. VCC: Power supply
8. DI: Driver input

Functional Features

• High-speed data transmission: Supports data rates up to 10 Mbps.
• Fail-safe receiver: Ensures a high level of noise immunity and robustness in noisy industrial environments.
• Half-duplex communication: Allows bidirectional data transfer on a single pair of wires.
• ESD protection: Provides protection against electrostatic discharge on bus pins.

Advantages and Disadvantages

Advantages

• High-speed data transmission capability
• Robust fail-safe receiver for reliable communication
• Low power consumption
• ESD protection for enhanced durability

Disadvantages

• Limited to half-duplex communication mode
• Requires an external power supply

Working Principles

ADM485AR-REEL operates based on the RS-485/RS-422 standard, which defines the electrical characteristics of balanced voltage digital interface circuits. It uses differential signaling to transmit data over long distances while maintaining noise immunity. The driver section converts logic-level signals into differential voltages, while the receiver section converts the received differential voltages back into logic-level signals.

Detailed Application Field Plans

ADM485AR-REEL finds applications in various industrial fields, including: - Factory automation systems - Process control systems - Building automation - Industrial networking - Instrumentation and measurement systems

Detailed and Complete Alternative Models

1. MAX485EESA+: Similar specifications and features as ADM485AR-REEL, available in an SOIC package.
2. SN65HVD485EDR: RS-485 transceiver with similar characteristics, available in an SOIC package.
3. LTC2854IGN: Low-power RS-485 transceiver with comparable specifications, available in an SSOP package.

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

In conclusion, ADM485AR-REEL is a high-speed, low-power RS-485/RS-422 transceiver used for data communication in industrial applications. Its robustness, fail-safe receiver, and ESD protection make it suitable for various industrial environments. While it has limitations such as half-duplex communication and requiring an external power supply, there are alternative models available with similar functionality.