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ST3485EBDR
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ST3485EBDR

Product Overview

Category

The ST3485EBDR belongs to the category of RS-485/RS-422 transceivers.

Use

It is used for bidirectional communication in balanced transmission lines.

Characteristics

  • Supports data rates up to 20Mbps
  • Low power consumption
  • ESD protection
  • Half-duplex communication

Package

The ST3485EBDR comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of the ST3485EBDR lies in its high-speed and reliable communication capabilities.

Packaging/Quantity

The ST3485EBDR is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

  • Supply Voltage: 3V to 3.6V
  • Operating Temperature Range: -40°C to 85°C
  • Number of Pins: 8
  • Data Rate: Up to 20Mbps
  • ESD Protection: ±15kV HBM

Detailed Pin Configuration

  1. AIN-
  2. AIN+
  3. GND
  4. BOUT-
  5. BOUT+
  6. VCC
  7. RO
  8. RE

Functional Features

  • Differential input/output
  • Thermal shutdown
  • Overvoltage protection
  • Short-circuit protection

Advantages

  • High-speed data transmission
  • Robust ESD protection
  • Wide operating temperature range

Disadvantages

  • Limited to half-duplex communication
  • Requires external termination resistors

Working Principles

The ST3485EBDR operates by converting TTL/CMOS level signals into differential bus voltages for RS-485/RS-422 communication.

Detailed Application Field Plans

The ST3485EBDR is suitable for various industrial automation, building control, and automotive applications where high-speed and reliable communication over long distances is required.

Detailed and Complete Alternative Models

  • MAX485
  • SN65HVD72

In conclusion, the ST3485EBDR is a high-speed RS-485/RS-422 transceiver that offers reliable communication in various industrial and automotive applications. Its robust features and wide operating temperature range make it a preferred choice for demanding environments.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de ST3485EBDR en soluciones técnicas

  1. What is the ST3485EBDR?

    • The ST3485EBDR is a low-power, half-duplex transceiver designed for RS-485 and RS-422 communication.

  2. What is the operating voltage range of the ST3485EBDR?

    • The operating voltage range of the ST3485EBDR is from 3V to 5.5V.

  3. What is the maximum data rate supported by the ST3485EBDR?

    • The ST3485EBDR supports a maximum data rate of 250kbps.

  4. Is the ST3485EBDR suitable for industrial applications?

    • Yes, the ST3485EBDR is suitable for industrial applications due to its robustness and ESD protection features.

  5. Does the ST3485EBDR support half-duplex communication?

    • Yes, the ST3485EBDR is specifically designed for half-duplex communication in RS-485 and RS-422 networks.

  6. What are the typical applications of the ST3485EBDR?

    • Typical applications of the ST3485EBDR include industrial automation, building automation, HVAC systems, and access control.

  7. What is the thermal shutdown feature of the ST3485EBDR?

    • The ST3485EBDR includes a thermal shutdown feature to protect the device from overheating.

  8. Does the ST3485EBDR have built-in ESD protection?

    • Yes, the ST3485EBDR has built-in ±15kV ESD protection on the bus pins.

  9. Can the ST3485EBDR be used in automotive applications?

    • Yes, the ST3485EBDR can be used in automotive applications due to its wide operating voltage range and robustness.

  10. Is the ST3485EBDR available in a small form factor package?

    • Yes, the ST3485EBDR is available in a small SO-8 package, making it suitable for space-constrained applications.