ADM487EWARZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Communication and Networking
• Characteristics: High-speed, low-power, half-duplex RS-485/RS-422 transceiver
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: Facilitates reliable long-distance data transmission in industrial applications
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Supply Voltage: 3.0V to 5.5V
• Data Rate: Up to 20 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 8
• Pin Pitch: 1.27mm
• ESD Protection: ±15kV Human Body Model (HBM)

Detailed Pin Configuration

1. DE (Driver Output Enable)
2. RE (Receiver Output Enable)
3. A (Non-Inverting Differential Line A)
4. B (Inverting Differential Line B)
5. GND (Ground)
6. B (Inverting Differential Line B)
7. A (Non-Inverting Differential Line A)
8. VCC (Supply Voltage)

Functional Features

• Half-duplex communication
• Enhanced ESD protection
• Low power consumption
• Wide supply voltage range
• High data rate capability
• Robust noise immunity
• Short-circuit protection

Advantages

• Reliable long-distance data transmission
• Suitable for industrial environments
• Easy integration into existing systems
• Low power consumption extends battery life
• High data rate enables fast communication

Disadvantages

• Limited to half-duplex communication
• Requires external components for full functionality
• Sensitive to improper wiring or termination

Working Principles

ADM487EWARZ is a half-duplex RS-485/RS-422 transceiver that enables bidirectional data transmission over long distances. It uses differential signaling to provide noise immunity and robustness in industrial environments. The DE and RE pins control the direction of data flow, allowing only one device to transmit at a time. The transceiver features enhanced ESD protection, ensuring reliable operation even in harsh conditions.

Detailed Application Field Plans

1. Industrial Automation: ADM487EWARZ is widely used in industrial automation systems for communication between PLCs, sensors, and actuators. Its high-speed capability and noise immunity make it suitable for controlling machinery and monitoring processes.

2. Building Automation: In building automation applications, this transceiver facilitates communication between various devices such as HVAC systems, lighting controls, and access control systems. It ensures reliable data transmission over long distances, enabling efficient building management.

3. Renewable Energy Systems: ADM487EWARZ plays a crucial role in renewable energy systems, connecting solar inverters, wind turbines, and energy storage systems. Its ability to withstand harsh environmental conditions and provide reliable communication contributes to the overall efficiency and stability of these systems.

4. Transportation Systems: This transceiver finds application in transportation systems, including railway networks, traffic control systems, and vehicle communication systems. It enables real-time data exchange between different subsystems, enhancing safety and efficiency.

Detailed and Complete Alternative Models

1. MAX485EESA+: Similar half-duplex RS-485/RS-422 transceiver with 8-pin SOIC package.
2. SN65HVD485EDR: Half-duplex RS-485 transceiver with 8-pin SOIC package and extended temperature range.
3. LTC1480CS8#PBF: Low-power half-duplex RS-485 transceiver with 8-pin SOIC package and low quiescent current.

(Note: These alternative models are provided for reference purposes and may have slightly different specifications or features.)

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