MAX1480ACPI

Product Overview

• Category: Integrated Circuit (IC)
• Use: RS-485/RS-422 Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: 14-pin DIP (Dual In-line Package)
• Essence: Provides a robust and reliable interface for long-distance serial communication
• Packaging/Quantity: Tape and Reel packaging, 2500 units per reel

Specifications

• Supply Voltage: 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)

Pin Configuration

The MAX1480ACPI has the following pin configuration:

1. DE (Driver Output Enable)
2. RE (Receiver Output Enable)
3. DI (Driver Input)
4. RO (Receiver Output)
5. VCC (Supply Voltage)
6. GND (Ground)
7. A (Non-Inverting Driver Output)
8. B (Inverting Driver Output)
9. Y (Non-Inverting Receiver Output)
10. Z (Inverting Receiver Output)
11. /RE (Receiver Output Enable, Active Low)
12. /DE (Driver Output Enable, Active Low)
13. /DI (Driver Input, Active Low)
14. NC (No Connection)

Functional Features

• Half-duplex communication using differential signaling
• Supports RS-485 and RS-422 standards
• Low power consumption in shutdown mode
• Thermal shutdown protection
• Short-circuit protection on driver outputs
• Wide common-mode voltage range

Advantages

• High-speed data transmission up to 2.5 Mbps
• Robust and reliable communication over long distances
• Low power consumption for energy-efficient applications
• Protection against ESD and short-circuits
• Wide operating temperature range for versatile usage

Disadvantages

• Limited to half-duplex communication only
• Requires external components for complete functionality
• Not suitable for high-speed or full-duplex applications

Working Principles

The MAX1480ACPI is a transceiver IC designed for RS-485/RS-422 communication. It utilizes differential signaling to transmit data over long distances while providing noise immunity. The driver section converts the logic-level input signals into differential voltage outputs, while the receiver section converts the differential input signals back into logic-level outputs.

Application Field Plans

The MAX1480ACPI is commonly used in various industrial automation systems, building automation, HVAC control, and other applications that require reliable long-distance communication. It is suitable for connecting multiple devices in a network, such as sensors, actuators, and controllers.

Alternative Models

• MAX1487ECPA: RS-485/RS-422 Transceiver with Enhanced ESD Protection
• MAX485CPA: Low-Power RS-485/RS-422 Transceiver
• SN75176BP: Differential Bus Transceiver

These alternative models offer similar functionality and can be considered as replacements for the MAX1480ACPI in different applications.

In conclusion, the MAX1480ACPI is a highly reliable and efficient RS-485/RS-422 transceiver IC. Its robust design, low power consumption, and wide operating temperature range make it suitable for various industrial and automation applications. However, its limitations in terms of half-duplex communication and external component requirements should be taken into consideration when selecting this IC for specific projects.