MAX1487CSA

Product Overview

• Category: Integrated Circuit (IC)
• Use: RS-485/RS-422 Transceiver
• Characteristics:
  • High-speed, low-power transceiver
  • Supports data rates up to 2.5 Mbps
  • Operates from a single +5V supply
  • Suitable for long-distance communication
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: Provides reliable and efficient communication between devices using the RS-485/RS-422 protocol
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel

Specifications

• Supply Voltage: +4.75V to +5.25V
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 1
• Data Rate: Up to 2.5 Mbps
• Receiver Input Impedance: 12 kΩ
• Driver Output Impedance: 96 Ω
• ESD Protection: ±15kV (Human Body Model)

Pin Configuration

The MAX1487CSA has a total of 8 pins:

1. DE (Driver Enable)
2. RE (Receiver Enable)
3. A (Non-Inverting Driver Output / Receiver Input)
4. B (Inverting Driver Output / Receiver Input)
5. GND (Ground)
6. Y (Receiver Output)
7. VCC (Power Supply)
8. Z (Driver Output)

Functional Features

• Full-duplex or half-duplex operation
• Low power consumption in shutdown mode
• Thermal shutdown protection
• Short-circuit protection on driver outputs
• Receiver input failsafe feature
• Wide common-mode voltage range

Advantages

• High-speed data transmission
• Low power consumption
• Robust and reliable communication
• Wide operating temperature range
• Built-in protection features

Disadvantages

• Limited number of channels (1)
• Requires an external power supply (+5V)

Working Principles

The MAX1487CSA is designed to facilitate communication between devices using the RS-485/RS-422 protocol. It provides a balanced transmission line interface, allowing for reliable data transfer over long distances. The driver section converts logic-level signals into differential voltage outputs, while the receiver section converts differential inputs into logic-level signals.

Detailed Application Field Plans

The MAX1487CSA is commonly used in various industrial applications, including:

1. Building automation systems
2. Industrial control systems
3. Process control equipment
4. Data acquisition systems
5. Instrumentation and measurement devices

Alternative Models

Other alternative models that can be considered as replacements for the MAX1487CSA include:

1. MAX3485ESA
2. SN75176BP
3. LTC485CN8
4. ADM485ARZ
5. SP485EEN-L/TR

These models offer similar functionality and are compatible with the RS-485/RS-422 protocol.

In conclusion, the MAX1487CSA is a high-speed, low-power transceiver IC used for RS-485/RS-422 communication. It offers reliable data transmission, wide operating temperature range, and built-in protection features. With its small package size and compatibility with other RS-485/RS-422 devices, it is widely used in industrial applications requiring long-distance communication.