MAX1487CSA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: RS-485/RS-422 Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Transmits and receives data over long distances using differential signaling
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: +4.75V to +5.25V
• Data Rate: Up to 2.5 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Drivers/Receivers: 1 Driver, 1 Receiver
• ESD Protection: ±15kV Human Body Model (HBM), ±8kV IEC61000-4-2 Air-Gap Discharge, ±6kV IEC61000-4-2 Contact Discharge

Pin Configuration

The MAX1487CSA+T has the following pin configuration:

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

Functional Features

• Half-Duplex Communication: Allows transmission and reception of data on a single pair of wires.
• Low Power Consumption: Operates with low power requirements, making it suitable for battery-powered devices.
• High-Speed Data Transfer: Supports data rates up to 2.5 Mbps, enabling fast and efficient communication.
• ESD Protection: Provides robust protection against electrostatic discharge, ensuring reliable operation in harsh environments.
• Short-Circuit Protection: Includes built-in protection against short-circuits, preventing damage to the transceiver.

Advantages and Disadvantages

Advantages: - Supports long-distance communication - Low power consumption - High-speed data transfer - Robust ESD protection - Short-circuit protection

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

Working Principles

The MAX1487CSA+T is a RS-485/RS-422 transceiver that uses differential signaling to transmit and receive data. It operates in a half-duplex mode, allowing communication on a single pair of wires. The transceiver converts the logic-level signals from the connected device into differential voltage signals suitable for long-distance transmission. It also provides ESD protection and short-circuit protection to ensure reliable operation.

Detailed Application Field Plans

The MAX1487CSA+T is commonly used in various applications, including:

1. Industrial Automation: Used for communication between PLCs (Programmable Logic Controllers), sensors, and actuators in industrial control systems.
2. Building Automation: Enables communication between different building automation devices, such as HVAC (Heating, Ventilation, and Air Conditioning) systems, lighting controls, and access control systems.
3. Telecommunications: Facilitates data transmission in telecommunication networks, including telephone exchanges, modems, and network switches.
4. Automotive Systems: Used in automotive applications for communication between different electronic control units (ECUs), such as those found in engine management systems and body control modules.
5. Renewable Energy Systems: Enables communication between various components in renewable energy systems, such as solar inverters and wind turbine controllers.

Detailed and Complete Alternative Models

Some alternative models to the MAX1487CSA+T include:

1. SN75176B: RS-485 Transceiver, 5V supply voltage, 10 Mbps data rate.
2. MAX485: RS-485/RS-422 Transceiver, 5V supply voltage, 2.5 Mbps data rate.
3. LTC2850: RS-485 Transceiver, 3.3V supply voltage, 20 Mbps data rate.
4. ADM485: RS-485 Transceiver, 5V supply voltage, 2.5 Mbps data rate.
5. SP3485: RS-485 Transceiver, 3.3V supply voltage, 250 kbps data rate.

These alternative models offer similar functionality and can be used as replacements for the MAX1487CSA+T in various applications.

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