ADM208ANZ

Product Overview

• Category: Integrated Circuit
• Use: Communication and Networking
• Characteristics: High-Speed, Low-Power, RS-485/RS-422 Transceiver
• Package: 8-Pin PDIP (Plastic Dual In-Line Package)
• Essence: ADM208ANZ is a versatile integrated circuit that enables reliable communication over long distances using the RS-485/RS-422 standard. It provides high-speed data transmission while consuming low power.
• Packaging/Quantity: Available in tubes of 25 units or reels of 1,000 units.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Data Rate: Up to 250 kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Drivers/Receivers: 1 Driver, 1 Receiver
• Driver Output Impedance: 12 Ω
• Receiver Input Impedance: 12 kΩ
• Shutdown Current: 1 μA (maximum)

Pin Configuration

The ADM208ANZ has an 8-pin PDIP package with the following pin configuration:

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

Functional Features

• Supports half-duplex communication using the RS-485/RS-422 standard.
• Provides a robust interface for long-distance communication.
• Allows multiple transceivers to be connected on a single bus.
• Offers thermal shutdown protection to prevent damage due to excessive heat.
• Supports a wide range of data rates up to 250 kbps.
• Low power consumption makes it suitable for battery-powered applications.

Advantages

• Reliable communication over long distances.
• High-speed data transmission.
• Low power consumption.
• Easy integration into existing systems.
• Robust protection against electrical noise and interference.
• Wide operating temperature range.

Disadvantages

• Limited to half-duplex communication.
• Requires external components for full functionality.
• Not suitable for high-speed applications exceeding 250 kbps.

Working Principles

The ADM208ANZ is designed to facilitate communication between devices using the RS-485/RS-422 standard. It converts the logic-level signals from the driver input (DI) into differential voltage signals on the A and B pins, which can be transmitted over long distances without significant signal degradation. The receiver section converts the received differential signals back into logic-level signals, allowing the connected device to interpret the data.

Application Field Plans

The ADM208ANZ is widely used in various applications, including:

1. Industrial Automation: Enables reliable communication between PLCs (Programmable Logic Controllers), sensors, and actuators in industrial control systems.
2. Building Automation: Facilitates communication between different building automation devices, such as HVAC (Heating, Ventilation, and Air Conditioning) systems, lighting controls, and access control systems.
3. Telecommunications: Used in networking equipment, such as routers, switches, and modems, to establish communication links over long distances.
4. Automotive: Enables communication between different automotive subsystems, such as engine control units, body control modules, and infotainment systems.
5. Renewable Energy Systems: Facilitates communication between various components in solar power systems, wind turbines, and energy storage systems.

Alternative Models

• MAX485
• SN75176
• LTC485
• ST485
• SP485

These alternative models offer similar functionality to the ADM208ANZ and can be used as replacements depending on specific requirements.

In conclusion, the ADM208ANZ is a versatile RS-485/RS-422 transceiver that provides reliable communication over long distances. Its high-speed data transmission, low power consumption, and robust protection make it suitable for various applications in different industries.