Exar Corporation
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SP485CN-L/TR
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SP485CN-L/TR

Product Overview

Category: Integrated Circuit
Use: Communication and Signal Processing
Characteristics: Low power consumption, high noise immunity
Package: SOIC-8
Essence: RS-485 Transceiver
Packaging/Quantity: Tape & Reel

Specifications

  • Operating Voltage: 3V to 5.5V
  • Data Rate: Up to 20Mbps
  • Operating Temperature: -40°C to 85°C
  • ESD Protection: ±15kV HBM

Detailed Pin Configuration

  1. A (RS-485 Output A)
  2. B (RS-485 Output B)
  3. GND (Ground)
  4. RO (Receiver Output)
  5. RE (Receiver Enable)
  6. DE (Driver Enable)
  7. DI (Driver Input)
  8. VCC (Supply Voltage)

Functional Features

  • Half-duplex transceiver
  • Low quiescent current
  • Enhanced ESD protection
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High data rate - Wide operating voltage range - Robust ESD protection

Disadvantages: - Limited to half-duplex communication - Requires external termination resistors

Working Principles

The SP485CN-L/TR is a half-duplex RS-485 transceiver that enables bidirectional communication over twisted pair cables. It uses differential signaling to provide high noise immunity and can operate in harsh industrial environments.

Detailed Application Field Plans

The SP485CN-L/TR is well-suited for various industrial automation applications, including: - Building automation systems - HVAC control - Industrial machinery - Process control systems

Detailed and Complete Alternative Models

  1. MAX485
  2. SN65HVD72
  3. LTC1480

In conclusion, the SP485CN-L/TR is a versatile RS-485 transceiver with robust features suitable for industrial communication applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SP485CN-L/TR v technických řešeních

  1. What is the maximum data rate supported by SP485CN-L/TR?
    - The maximum data rate supported by SP485CN-L/TR is 20Mbps.

  2. Can SP485CN-L/TR operate in half-duplex mode?
    - Yes, SP485CN-L/TR can operate in half-duplex mode.

  3. What is the operating voltage range for SP485CN-L/TR?
    - The operating voltage range for SP485CN-L/TR is 3V to 5.5V.

  4. Does SP485CN-L/TR have built-in ESD protection?
    - Yes, SP485CN-L/TR has built-in ESD protection of ±15kV (Human Body Model).

  5. Is SP485CN-L/TR compatible with industrial temperature ranges?
    - Yes, SP485CN-L/TR is compatible with industrial temperature ranges from -40°C to 85°C.

  6. Can SP485CN-L/TR be used in point-to-point or multidrop applications?
    - Yes, SP485CN-L/TR can be used in both point-to-point and multidrop applications.

  7. What is the typical quiescent current consumption of SP485CN-L/TR?
    - The typical quiescent current consumption of SP485CN-L/TR is 300µA.

  8. Does SP485CN-L/TR support fail-safe biasing?
    - Yes, SP485CN-L/TR supports fail-safe biasing for open-circuit, short-circuit, and idle-bus conditions.

  9. What is the maximum driver output voltage of SP485CN-L/TR?
    - The maximum driver output voltage of SP485CN-L/TR is 5.25V.

  10. Is SP485CN-L/TR RoHS compliant?
    - Yes, SP485CN-L/TR is RoHS compliant, making it suitable for environmentally friendly applications.