MAX1488EESD+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX1488EESD+ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for serial communication applications, specifically for RS-485/RS-422 transceiver functionality.

Characteristics

• The MAX1488EESD+ is a low-power, half-duplex transceiver.
• It operates with a single 5V power supply.
• This IC supports data rates up to 250kbps.
• It features a wide common-mode voltage range, making it suitable for industrial and automotive applications.
• The device offers thermal shutdown protection and failsafe receiver inputs.

Package

The MAX1488EESD+ is available in a small-sized 14-pin plastic dual in-line package (PDIP).

Essence

The essence of the MAX1488EESD+ lies in its ability to facilitate reliable and efficient serial communication between devices using the RS-485/RS-422 protocols.

Packaging/Quantity

The MAX1488EESD+ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Data Rate: Up to 250kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 14
• Input/Output Type: Half-Duplex

Detailed Pin Configuration

1. DE (Driver Output Enable)
2. RE (Receiver Output Enable)
3. DI (Driver Input)
4. RO (Receiver Output)
5. A (Non-Inverting Driver Input/Receiver Output)
6. B (Inverting Driver Input/Receiver Output)
7. GND (Ground)
8. VCC (Power Supply)
9. B (Inverting Driver Input/Receiver Output)
10. A (Non-Inverting Driver Input/Receiver Output)
11. Y (Driver Output)
12. Z (Driver Output)
13. VCC (Power Supply)
14. GND (Ground)

Functional Features

• Half-duplex operation for RS-485/RS-422 communication.
• Wide common-mode voltage range (-7V to +12V) allows for robust data transmission in noisy environments.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Failsafe receiver inputs ensure a known output state when the input is open or shorted.

Advantages and Disadvantages

Advantages

• Low power consumption.
• Small package size.
• Wide common-mode voltage range.
• Thermal shutdown protection.
• Failsafe receiver inputs.

Disadvantages

• Limited data rate compared to some other transceiver ICs.
• Only supports half-duplex communication.

Working Principles

The MAX1488EESD+ operates as a half-duplex transceiver for RS-485/RS-422 communication. It uses differential signaling to transmit and receive data, allowing for noise immunity and long-distance communication. The driver section converts logic-level signals into differential voltages, while the receiver section converts differential voltages back into logic-level signals. The device also incorporates features like thermal shutdown protection and failsafe receiver inputs to enhance reliability and performance.

Detailed Application Field Plans

The MAX1488EESD+ finds applications in various fields, including: 1. Industrial automation systems 2. Building automation systems 3. Automotive electronics 4. Telecommunications equipment 5. Data acquisition systems 6. Instrumentation and control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the MAX1488EESD+ are: 1. SN75176 - RS-485/RS-422 Transceiver 2. LTC2850 - Low Power RS-485 Transceiver 3. ADM2483 - Isolated RS-485 Transceiver 4. MAX13487E - Full-Duplex RS-485 Transceiver 5. SP3485 - Half-Duplex RS-485 Transceiver

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

In conclusion, the MAX1488EESD+ is a versatile half-duplex transceiver IC designed for RS-485/RS-422 communication. Its low power consumption, wide common-mode voltage range, and various protective features make it suitable for a wide range of applications in industrial automation, automotive electronics, and more.