MAX1488ECPD+ - English Editing Encyclopedia Entry

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: Transmits and receives data over long distances in industrial environments
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Supply Voltage Range: +4.5V to +5.5V
• Data Rate: Up to 250kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 14
• RoHS Compliance: Yes

Pin Configuration

The MAX1488ECPD+ has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | DE | Driver Output Enable | | 2 | /RE | Receiver Output Enable | | 3 | A | Non-Inverting Driver Input | | 4 | B | Inverting Driver Input | | 5 | Y | Receiver Output | | 6 | Z | Receiver Output | | 7 | GND | Ground | | 8 | VCC | Power Supply | | 9 | B | Inverting Driver Input | | 10 | A | Non-Inverting Driver Input | | 11 | /RE | Receiver Output Enable | | 12 | DE | Driver Output Enable | | 13 | Y | Receiver Output | | 14 | Z | Receiver Output |

Functional Features

• Half-duplex communication using RS-485/RS-422 standards
• Allows long-distance data transmission (up to 1200 meters)
• Supports high-speed data rates up to 250kbps
• Low power consumption for energy-efficient operation
• Built-in protection features against voltage spikes and noise

Advantages

• Wide supply voltage range allows flexibility in various applications
• RoHS compliance ensures environmental friendliness
• High data rate enables fast and efficient communication
• Robust protection features ensure reliable operation in industrial environments

Disadvantages

• Limited to half-duplex communication only
• Requires external components for complete functionality

Working Principles

The MAX1488ECPD+ is a transceiver IC designed for RS-485/RS-422 communication. It operates in a half-duplex mode, allowing bidirectional data transmission over long distances. The IC consists of driver and receiver circuits that convert digital signals into differential voltages suitable for transmission and reception.

When transmitting data, the driver circuit receives non-inverted (A) and inverted (B) input signals and converts them into differential output signals. These signals are then transmitted over a twisted pair of wires to the receiving end. At the receiving end, the receiver circuit converts the differential signals back into digital data (Y and Z outputs).

The DE (Driver Output Enable) and /RE (Receiver Output Enable) pins control the enable/disable state of the driver and receiver circuits, respectively. This allows the IC to switch between transmit and receive modes.

Detailed Application Field Plans

The MAX1488ECPD+ is commonly used in various industrial applications where long-distance communication is required. Some of the typical application fields include: - Industrial automation systems - Building automation and control systems - Process control and monitoring systems - HVAC (Heating, Ventilation, and Air Conditioning) systems - Security and access control systems

Detailed Alternative Models

• MAX1487ECPD+: Similar to MAX1488ECPD+ but with a lower data rate of 120kbps
• MAX1489ECPD+: Similar to MAX1488ECPD+ but with a higher data rate of 500kbps
• MAX485CPA: RS-485 transceiver with similar functionality and characteristics

In conclusion, the MAX1488ECPD+ is a high-speed, low-power RS-485/RS-422 transceiver IC. It enables reliable long-distance communication in industrial environments. With its robust features and wide range of applications, it is a popular choice for various industrial automation and control systems.

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