Exar Corporation
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SP1485EEN-L
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SP1485EEN-L

Product Overview

Category

SP1485EEN-L belongs to the category of electronic components.

Use

This product is commonly used in electronic circuits for signal conditioning and level shifting purposes.

Characteristics

  • Signal conditioning and level shifting capabilities
  • Compact size
  • High reliability
  • Wide operating voltage range
  • Low power consumption

Package

SP1485EEN-L is available in a small surface mount package, making it suitable for integration into various electronic devices.

Essence

The essence of SP1485EEN-L lies in its ability to effectively condition and shift signal levels, ensuring compatibility between different parts of an electronic circuit.

Packaging/Quantity

SP1485EEN-L is typically packaged in reels or tubes, with quantities varying depending on the supplier. Common packaging options include 1000 units per reel or tube.

Specifications

  • Operating Voltage Range: 2.7V to 5.5V
  • Input Voltage Range: -0.3V to VCC + 0.3V
  • Output Voltage Range: 0V to VCC
  • Maximum Data Rate: 20 Mbps
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VCC: Power supply input
  2. GND: Ground reference
  3. AIN: Input signal A
  4. BIN: Input signal B
  5. AOUT: Output signal A
  6. BOUT: Output signal B
  7. OE: Output enable control

Functional Features

  • Bi-directional signal level shifting
  • High-speed data transmission
  • ESD protection
  • Low quiescent current
  • Built-in thermal shutdown protection

Advantages and Disadvantages

Advantages

  • Versatile signal conditioning solution
  • Wide operating voltage range allows compatibility with various systems
  • Compact size enables integration into space-constrained designs
  • High reliability ensures consistent performance
  • Low power consumption for energy-efficient applications

Disadvantages

  • Limited maximum data rate compared to some alternative models
  • May require additional external components for specific applications

Working Principles

SP1485EEN-L operates by receiving input signals from AIN and BIN pins, conditioning and shifting their levels according to the specified voltage ranges. The processed signals are then available at the AOUT and BOUT pins. The OE pin controls the output enable/disable functionality.

Detailed Application Field Plans

SP1485EEN-L finds application in various electronic systems, including but not limited to: - Industrial automation - Consumer electronics - Telecommunications - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

  1. SP1485EEN-LT: Similar to SP1485EEN-L with extended temperature range (-40°C to +125°C)
  2. SP1485EEN-LR: RoHS-compliant version of SP1485EEN-L
  3. SP1485EEN-LP: Lead-free package variant of SP1485EEN-L

These alternative models offer similar functionality and characteristics as SP1485EEN-L, catering to different application requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SP1485EEN-L i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of SP1485EEN-L in technical solutions:

  1. Q: What is SP1485EEN-L? A: SP1485EEN-L is a specific model of a high-speed RS-485 transceiver chip.

  2. Q: What is the purpose of SP1485EEN-L? A: SP1485EEN-L is designed to facilitate reliable communication over long distances using the RS-485 protocol.

  3. Q: What are the key features of SP1485EEN-L? A: Some key features of SP1485EEN-L include high data rates, low power consumption, and robust noise immunity.

  4. Q: Can SP1485EEN-L be used in industrial automation applications? A: Yes, SP1485EEN-L is commonly used in industrial automation systems for communication between various devices.

  5. Q: Is SP1485EEN-L compatible with other RS-485 transceivers? A: Yes, SP1485EEN-L is compatible with other standard RS-485 transceivers, allowing for seamless integration into existing systems.

  6. Q: What is the maximum data rate supported by SP1485EEN-L? A: SP1485EEN-L supports data rates up to 20 Mbps, making it suitable for high-speed communication requirements.

  7. Q: Does SP1485EEN-L require external components for operation? A: Yes, SP1485EEN-L requires external resistors for termination and biasing to ensure proper signal integrity.

  8. Q: Can SP1485EEN-L operate in harsh environments? A: Yes, SP1485EEN-L is designed to withstand harsh industrial environments, with features like ESD protection and wide temperature range.

  9. Q: Can SP1485EEN-L be used in multi-drop communication networks? A: Yes, SP1485EEN-L supports multi-drop configurations, allowing multiple devices to communicate on the same RS-485 bus.

  10. Q: Is SP1485EEN-L suitable for long-distance communication? A: Yes, SP1485EEN-L is specifically designed for long-distance communication, with support for cable lengths up to several kilometers.

Please note that these answers are general and may vary depending on the specific application and requirements.