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MAX483MJA
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MAX483MJA

Product Overview

  • Category: Integrated Circuit
  • Use: RS-485/RS-422 Transceiver
  • Characteristics: Low-power, slew-rate-limited transceiver for RS-485 and RS-422 communication
  • Package: CERDIP-8
  • Essence: Provides a robust interface between microcontrollers and industrial buses
  • Packaging/Quantity: Tube/50 units

Specifications

  • Supply Voltage: 4.75V to 5.25V
  • Operating Temperature: -40°C to 85°C
  • Data Rate: 250kbps
  • Number of Drivers/Receivers: 1/1

Detailed Pin Configuration

  1. A (Driver Output A)
  2. B (Driver Output B)
  3. GND (Ground)
  4. RO (Receiver Output)
  5. RE (Receiver Output Enable)
  6. DE (Driver Output Enable)
  7. DI (Driver Input)
  8. VCC (Supply Voltage)

Functional Features

  • Slew-rate-limited driver for reduced EMI
  • Thermal shutdown protection
  • Short-circuit protection
  • Enhanced ESD protection

Advantages

  • Low power consumption
  • Robust communication in noisy environments
  • Wide operating temperature range

Disadvantages

  • Limited data rate compared to some newer transceivers
  • Single driver/receiver configuration may not suit all applications

Working Principles

The MAX483MJA is designed to provide reliable communication in industrial environments by converting TTL/CMOS levels to RS-485/RS-422 levels and vice versa. It incorporates features such as slew-rate limiting to minimize electromagnetic interference and thermal shutdown protection for enhanced reliability.

Detailed Application Field Plans

The MAX483MJA is commonly used in industrial automation, building automation, and process control systems where robust communication over long distances is required. It is also suitable for point-of-sale terminals, security systems, and instrumentation applications.

Detailed and Complete Alternative Models

  • MAX485EPA
  • SN75176BP
  • LTC485CN8

In conclusion, the MAX483MJA is a low-power, robust transceiver designed for reliable communication in industrial and commercial applications. Its slew-rate-limited design and enhanced protection features make it a popular choice for various communication needs.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan MAX483MJA dalam solusi teknis

  1. What is the MAX483MJA?

    • The MAX483MJA is a low-power, slew-rate-limited RS-485/RS-422 transceiver.

  2. What is the operating voltage range of the MAX483MJA?

    • The operating voltage range of the MAX483MJA is +4.75V to +5.25V.

  3. What is the maximum data rate supported by the MAX483MJA?

    • The MAX483MJA supports data rates up to 250kbps.

  4. Can the MAX483MJA be used in half-duplex and full-duplex communication?

    • Yes, the MAX483MJA can be used in both half-duplex and full-duplex communication modes.

  5. What is the typical quiescent current consumption of the MAX483MJA?

    • The typical quiescent current consumption of the MAX483MJA is 300µA.

  6. Does the MAX483MJA have built-in ESD protection?

    • Yes, the MAX483MJA has ±15kV human-body model (HBM) ESD protection on the RS-485 input/output pins.

  7. What is the temperature range for which the MAX483MJA is specified to operate?

    • The MAX483MJA is specified to operate over the temperature range of -40°C to +85°C.

  8. Is the MAX483MJA available in a surface-mount package?

    • Yes, the MAX483MJA is available in a 8-pin SOIC package.

  9. Can the MAX483MJA be used in industrial automation applications?

    • Yes, the MAX483MJA is suitable for use in industrial automation applications due to its robustness and ESD protection.

  10. Are there any application notes or reference designs available for using the MAX483MJA in technical solutions?

    • Yes, Maxim Integrated provides application notes and reference designs for using the MAX483MJA in various technical solutions, which can be found on their website.