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LAN8740AI-EN-TR
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LAN8740AI-EN-TR

Product Overview

Category

The LAN8740AI-EN-TR belongs to the category of Ethernet Physical Layer Transceivers.

Use

It is primarily used for connecting devices to an Ethernet network, enabling high-speed data transmission.

Characteristics

  • Supports 10/100 Mbps Ethernet communication
  • Low power consumption
  • Small form factor
  • Robust performance in harsh environments

Package

The LAN8740AI-EN-TR comes in a compact package, making it suitable for space-constrained applications.

Essence

The essence of the LAN8740AI-EN-TR lies in its ability to provide reliable and efficient Ethernet connectivity for various devices.

Packaging/Quantity

The LAN8740AI-EN-TR is typically packaged in reels or trays, with varying quantities depending on the manufacturer's specifications.

Specifications

  • Data Rate: 10/100 Mbps
  • Supply Voltage: 3.3V
  • Operating Temperature Range: -40°C to +85°C
  • Interface: MII/RMII
  • ESD Protection: ±8kV HBM, ±15kV IEC61000-4-2 Air Gap Discharge, ±8kV IEC61000-4-2 Contact Discharge

Detailed Pin Configuration

The LAN8740AI-EN-TR has the following pin configuration:

  1. VDDA
  2. VSSA
  3. TXD0
  4. TXD1
  5. TX_EN
  6. RXD0
  7. RXD1
  8. CRS_DV
  9. RX_ER
  10. REF_CLK
  11. MDIO
  12. MDC
  13. VDDIO
  14. VSSIO
  15. LEDA
  16. LEDB

Functional Features

  • Auto-negotiation for speed and duplex mode
  • Auto-MDIX for easy connection to different types of Ethernet devices
  • Energy Efficient Ethernet (EEE) support for reduced power consumption
  • LinkMD® TDR-based cable diagnostics for troubleshooting network connectivity issues
  • Wake-on-LAN (WoL) support for remote device wake-up

Advantages and Disadvantages

Advantages

  • Compact size allows for integration into space-constrained designs
  • Low power consumption helps in energy-efficient applications
  • Robust performance ensures reliable data transmission
  • Support for various Ethernet standards enhances compatibility

Disadvantages

  • Limited to 10/100 Mbps Ethernet speeds, not suitable for Gigabit Ethernet applications
  • Lack of advanced features found in higher-end transceivers

Working Principles

The LAN8740AI-EN-TR operates by converting the digital signals from a device's Ethernet controller into analog signals suitable for transmission over an Ethernet cable. It also receives incoming analog signals and converts them back into digital signals for the device's Ethernet controller to process.

Detailed Application Field Plans

The LAN8740AI-EN-TR finds application in various fields, including: 1. Industrial automation 2. Automotive electronics 3. Home networking 4. Internet of Things (IoT) devices 5. Embedded systems

Detailed and Complete Alternative Models

Some alternative models to the LAN8740AI-EN-TR include: 1. LAN8720A-CP-TR 2. DP83848CVV/NOPB 3. KSZ8081RNBIA-TR 4. RTL8201F-VB-CG

These models offer similar functionality and can be considered as alternatives depending on specific requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von LAN8740AI-EN-TR in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of LAN8740AI-EN-TR in technical solutions:

  1. Q: What is the LAN8740AI-EN-TR? A: The LAN8740AI-EN-TR is a single-port 10/100 Ethernet transceiver designed for industrial applications.

  2. Q: What are the key features of the LAN8740AI-EN-TR? A: The LAN8740AI-EN-TR features auto-negotiation, auto-MDIX, and supports various power-saving modes.

  3. Q: What is auto-negotiation? A: Auto-negotiation is a feature that allows devices to automatically select the best possible communication parameters, such as speed and duplex mode.

  4. Q: What is auto-MDIX? A: Auto-MDIX is a feature that allows the LAN8740AI-EN-TR to automatically detect and adjust for straight-through or crossover Ethernet cables.

  5. Q: Can the LAN8740AI-EN-TR be used in both half-duplex and full-duplex modes? A: Yes, the LAN8740AI-EN-TR supports both half-duplex and full-duplex modes of operation.

  6. Q: What are the power-saving modes supported by the LAN8740AI-EN-TR? A: The LAN8740AI-EN-TR supports various power-saving modes, including Energy Detect Power-Down (EDPD) and Wake-on-LAN (WoL).

  7. Q: Can the LAN8740AI-EN-TR be used in industrial environments? A: Yes, the LAN8740AI-EN-TR is specifically designed for industrial applications and can operate reliably in harsh conditions.

  8. Q: What is the operating voltage range of the LAN8740AI-EN-TR? A: The LAN8740AI-EN-TR operates from a single 3.3V power supply and has a wide input voltage range of 3.0V to 3.6V.

  9. Q: Does the LAN8740AI-EN-TR support Auto-MDIX crossover correction? A: Yes, the LAN8740AI-EN-TR supports Auto-MDIX crossover correction, which eliminates the need for manual cable swapping.

  10. Q: What interface does the LAN8740AI-EN-TR use to connect with the host processor? A: The LAN8740AI-EN-TR uses an MII (Media Independent Interface) or RMII (Reduced Media Independent Interface) interface to connect with the host processor.

Please note that these answers are general and may vary depending on the specific implementation and configuration of the LAN8740AI-EN-TR in a technical solution.