MAX3488AEGSA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: RS-485/RS-422 Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: 16-pin SSOP (Shrink Small Outline Package)
• Essence: Provides robust and reliable data transmission in industrial environments
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3.0V to 5.5V
• Data Rate: Up to 250kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Drivers/Receivers: 1 driver, 1 receiver
• Driver Output: ±10V
• Receiver Input: ±7V
• Shutdown Current: 1µA (typical)

Pin Configuration

The MAX3488AEGSA+T has a 16-pin SSOP package with the following pin configuration:

1. DE (Driver Enable)
2. RE (Receiver Enable)
3. DI (Driver Input)
4. RO (Receiver Output)
5. VCC (Power Supply)
6. GND (Ground)
7. A (Non-Inverting Driver Output)
8. B (Inverting Driver Output)
9. Y (Receiver Output)
10. Z (Receiver Output)
11. BIAS (Bias Resistor Connection)
12. A (Non-Inverting Receiver Input)
13. B (Inverting Receiver Input)
14. GND (Ground)
15. VCC (Power Supply)
16. NC (No Connection)

Functional Features

• Supports RS-485 and RS-422 standards
• Half-duplex communication mode
• Low power consumption for energy-efficient operation
• Robust ESD protection for reliable data transmission
• Wide supply voltage range for flexibility in various applications

Advantages and Disadvantages

Advantages

• High-speed data transmission up to 250kbps
• Low power consumption extends battery life in portable devices
• Integrated ESD protection enhances reliability
• Suitable for industrial environments with its robust design

Disadvantages

• Limited to half-duplex communication only
• Requires external bias resistors for proper operation

Working Principles

The MAX3488AEGSA+T is a transceiver IC designed for RS-485/RS-422 communication. It operates in a half-duplex mode, allowing bidirectional data transmission over a single twisted-pair cable. The driver section converts the logic-level signals into differential voltages suitable for long-distance transmission, while the receiver section converts the received differential signals back into logic-level signals.

Detailed Application Field Plans

The MAX3488AEGSA+T is widely used in various industrial applications that require reliable and robust data communication. Some of the common application fields include:

1. Industrial Automation: Used in PLCs (Programmable Logic Controllers), SCADA (Supervisory Control and Data Acquisition) systems, and industrial control networks.
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. Instrumentation: Facilitates data exchange between sensors, actuators, and control systems in measurement and control instruments.
4. Automotive: Used in automotive systems for communication between different electronic modules, such as body control modules, engine control units, and infotainment systems.
5. Renewable Energy Systems: Enables communication between various components in solar power systems, wind turbines, and energy storage systems.

Detailed and Complete Alternative Models

• MAX3485EESA+: Similar to MAX3488AEGSA+T, but with a different package (8-pin SOIC) and lower data rate (up to 2.5Mbps).
• MAX485ESA+: RS-485/RS-422 transceiver with similar characteristics, but operates at higher data rates (up to 2.5Mbps) and comes in an 8-pin SOIC package.
• SN75176BP: Another popular RS-485 transceiver with similar specifications, available in an 8-pin PDIP package.

These alternative models provide similar functionality and can be considered as substitutes for the MAX3488AEGSA+T depending on specific requirements and design constraints.

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