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MAX3087EESA+T

MAX3087EESA+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Communication and Networking
  • Characteristics: Low-Power, High-Speed, RS-485/RS-422 Transceiver
  • Package: 8-SOIC (Small Outline Integrated Circuit)
  • Essence: MAX3087EESA+T is a low-power, high-speed transceiver designed for RS-485 and RS-422 communication networks.
  • Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

The MAX3087EESA+T offers the following specifications:

  • Supply Voltage: 3V to 5.5V
  • Data Rate: Up to 20Mbps
  • Operating Temperature Range: -40°C to +85°C
  • Number of Channels: 1
  • Receiver Hysteresis: 50mV
  • Shutdown Current: 1µA (typical)

Pin Configuration

The pin configuration of MAX3087EESA+T is as follows:

```


| | --| VCC GND |-- Power Supply Pins --| RO RE |-- Receiver Output and Receiver Enable Pins --| DI DE |-- Driver Input and Driver Enable Pins --| A B |-- Differential Data Line Pins |___________| ```

Functional Features

The MAX3087EESA+T offers the following functional features:

  • Low-power operation, making it suitable for battery-powered applications.
  • High-speed data transmission up to 20Mbps, enabling efficient communication.
  • RS-485/RS-422 compatibility, allowing for versatile use in various communication networks.
  • Receiver hysteresis for improved noise immunity and signal integrity.
  • Driver enable and receiver enable pins for flexible control of the transceiver.

Advantages and Disadvantages

Advantages of MAX3087EESA+T:

  • Low power consumption extends battery life in portable applications.
  • High-speed data transmission enables fast and efficient communication.
  • RS-485/RS-422 compatibility provides versatility in network setups.
  • Receiver hysteresis improves noise immunity and signal integrity.

Disadvantages of MAX3087EESA+T:

  • Limited to a single channel, which may not be suitable for applications requiring multiple channels.
  • Requires external components for proper operation, increasing complexity and cost.

Working Principles

The MAX3087EESA+T operates based on the principles of RS-485 and RS-422 communication standards. It uses differential signaling to transmit data over long distances while maintaining high noise immunity. The driver section converts logic-level signals into balanced differential voltages, while the receiver section detects and amplifies the differential signals, providing reliable data reception.

Application Field Plans

The MAX3087EESA+T is commonly used in various applications, including:

  1. Industrial Automation: Used for communication between PLCs (Programmable Logic Controllers), sensors, and actuators in industrial automation systems.
  2. Building Automation: Enables communication between different building management systems, such as HVAC (Heating, Ventilation, and Air Conditioning) controllers, lighting control systems, and access control systems.
  3. Instrumentation: Facilitates data transmission in measurement and control instruments, such as data loggers, oscilloscopes, and signal generators.
  4. Automotive Electronics: Used in automotive applications for communication between different electronic modules, such as engine control units, body control modules, and infotainment systems.

Alternative Models

In addition to MAX3087EESA+T, there are several alternative models available in the market that offer similar functionality. Some popular alternatives include:

  1. SN65HVD485E: Low-Power RS-485 Transceiver with Integrated ESD Protection.
  2. LTC2854: High-Speed RS-485 Transceiver with ±60V Fault Protection.
  3. ADM2485: Isolated RS-485 Transceiver with Integrated Transformer Driver.

These alternative models provide options for different power requirements, data rates, and additional features, allowing users to choose the most suitable transceiver for their specific application needs.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MAX3087EESA+T in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of MAX3087EESA+T in technical solutions:

  1. Question: What is the MAX3087EESA+T?
    Answer: The MAX3087EESA+T is a high-speed, low-power RS-485/RS-422 transceiver.

  2. Question: What is the operating voltage range of MAX3087EESA+T?
    Answer: The operating voltage range is from 3V to 5.5V.

  3. Question: Can I use MAX3087EESA+T for both RS-485 and RS-422 applications?
    Answer: Yes, MAX3087EESA+T can be used for both RS-485 and RS-422 applications.

  4. Question: What is the maximum data rate supported by MAX3087EESA+T?
    Answer: The maximum data rate supported is 20Mbps.

  5. Question: Does MAX3087EESA+T have built-in protection features?
    Answer: Yes, it has built-in protection features like short-circuit protection and thermal shutdown.

  6. Question: Can I use MAX3087EESA+T in industrial environments?
    Answer: Yes, MAX3087EESA+T is suitable for industrial environments due to its robustness and ESD protection.

  7. Question: What is the typical supply current of MAX3087EESA+T?
    Answer: The typical supply current is around 300µA.

  8. Question: Can I use MAX3087EESA+T in multi-drop bus systems?
    Answer: Yes, MAX3087EESA+T is designed for multi-drop bus systems with up to 32 nodes.

  9. Question: Does MAX3087EESA+T support half-duplex communication?
    Answer: Yes, MAX3087EESA+T supports half-duplex communication.

  10. Question: Is MAX3087EESA+T compatible with other RS-485/RS-422 transceivers?
    Answer: Yes, MAX3087EESA+T is compatible with other standard RS-485/RS-422 transceivers.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with technical experts for accurate information.