MAX1488ECPD

Product Overview

• Category: Integrated Circuit (IC)
• Use: RS-485/RS-422 Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: PDIP (Plastic Dual In-line Package)
• Essence: MAX1488ECPD is a versatile IC used for bidirectional data communication over long distances in industrial and automotive applications.
• Packaging/Quantity: The MAX1488ECPD is available in a 14-pin PDIP package and is typically sold in quantities of 25 or more.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Data Rate: Up to 250kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Drivers/Receivers: 1 driver, 1 receiver
• Driver Output Current: ±10mA
• Receiver Input Voltage Range: ±12V
• Shutdown Mode: Yes

Pin Configuration

The MAX1488ECPD has a total of 14 pins. Here is the detailed pin configuration:

1. DE (Driver Enable)
2. RE (Receiver Enable)
3. DI (Driver Input)
4. RO (Receiver Output)
5. GND (Ground)
6. B (Bus Terminal B)
7. A (Bus Terminal A)
8. VCC (Power Supply)
9. R (Receiver Input)
10. D (Driver Output)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)

Functional Features

• Supports RS-485 and RS-422 standards
• Half-duplex communication mode
• Low power consumption
• Built-in thermal shutdown protection
• Receiver input voltage range allows for robust communication in noisy environments
• Driver output current limiting and thermal shutdown protection

Advantages and Disadvantages

Advantages: - High-speed data transmission - Suitable for long-distance communication - Robust performance in industrial and automotive environments - Low power consumption

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

Working Principles

The MAX1488ECPD is designed to facilitate bidirectional data communication over long distances using the RS-485/RS-422 standards. It operates in a half-duplex mode, allowing data transmission in both directions but not simultaneously. The driver section converts the logic-level signals into differential voltages suitable for long-distance transmission, while the receiver section converts the received differential voltages back into logic-level signals.

Detailed Application Field Plans

The MAX1488ECPD is widely used in various industrial and automotive applications that require reliable long-distance communication. Some of the common application fields include:

1. Industrial Automation Systems
2. Process Control Systems
3. Building Automation Systems
4. Automotive Diagnostic Equipment
5. Robotics and Motion Control Systems
6. Energy Management Systems
7. Security Systems

Detailed and Complete Alternative Models

• MAX1487ECPD: Similar to MAX1488ECPD, but with two drivers and one receiver.
• MAX1489ECPD: Similar to MAX1488ECPD, but with one driver and two receivers.
• SN75176BP: RS-485/RS-422 transceiver with similar specifications.

These alternative models provide similar functionality and can be considered as alternatives to the MAX1488ECPD based on specific requirements and design considerations.

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