Microchip Technology
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LAN8742AI-CZ
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LAN8742AI-CZ

Product Overview

Category: Ethernet Transceiver
Use: LAN8742AI-CZ is a high-performance, small form-factor Ethernet transceiver designed for industrial applications.
Characteristics: It offers reliable and efficient Ethernet connectivity with advanced features such as auto-negotiation, auto-MDIX, and power-saving modes.
Package: The LAN8742AI-CZ comes in a compact package, making it suitable for space-constrained designs.
Essence: This transceiver provides a cost-effective solution for implementing Ethernet connectivity in industrial systems.
Packaging/Quantity: The LAN8742AI-CZ is available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Interface: MII/RMII
  • Operating Voltage: 3.3V
  • Operating Temperature: -40°C to +85°C
  • Data Rate: 10/100 Mbps
  • Power Consumption: Low power consumption in various operating modes
  • EMI Performance: Compliant with FCC Class B and EN55022 Class B standards

Pin Configuration

The LAN8742AI-CZ has the following pin configuration:

  1. TXD0+
  2. TXD0-
  3. TX_EN
  4. RXD0+
  5. RXD0-
  6. RX_ER
  7. CRS_DV
  8. MDIO
  9. MDC
  10. VDDA
  11. VSSA
  12. REFCLK
  13. VDDIO
  14. VSSIO
  15. LEDA
  16. LEDB
  17. VDD33
  18. VSS33
  19. NC
  20. NC

Functional Features

  • Auto-negotiation: LAN8742AI-CZ supports automatic negotiation of link speed and duplex mode, ensuring optimal performance.
  • Auto-MDIX: The transceiver automatically detects the type of cable (straight-through or crossover) and adjusts accordingly, simplifying installation.
  • Power-saving Modes: It incorporates power-saving features such as Energy Detect Mode and Energy Efficient Ethernet (EEE), reducing power consumption during idle periods.

Advantages and Disadvantages

Advantages: - Compact form-factor suitable for space-constrained designs - Reliable and efficient Ethernet connectivity - Advanced features like auto-negotiation and auto-MDIX - Low power consumption in various operating modes

Disadvantages: - Limited to 10/100 Mbps data rate

Working Principles

The LAN8742AI-CZ operates by converting parallel data from the MAC (Media Access Control) interface into serial data for transmission over an Ethernet network. It also receives serial data from the network and converts it back into parallel data for the MAC interface. The transceiver uses advanced signal processing techniques to ensure reliable communication and supports various Ethernet protocols.

Application Field Plans

The LAN8742AI-CZ is widely used in industrial applications that require Ethernet connectivity, including:

  1. Industrial automation systems
  2. Building automation and control systems
  3. Smart grid infrastructure
  4. Security and surveillance systems
  5. Medical equipment

Alternative Models

  • LAN8742A-CZ
  • LAN8742I-CZ
  • LAN8742AI-TR
  • LAN8742A-TR
  • LAN8742I-TR

These alternative models offer similar functionality and can be considered as replacements for the LAN8742AI-CZ.

In conclusion, the LAN8742AI-CZ is a high-performance Ethernet transceiver designed for industrial applications. With its compact size, advanced features, and cost-effectiveness, it provides reliable Ethernet connectivity for a wide range of industrial systems.

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LAN8742AI-CZ in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of LAN8742AI-CZ in technical solutions:

  1. Q: What is LAN8742AI-CZ? A: LAN8742AI-CZ is a highly integrated Ethernet transceiver designed for industrial and automotive applications.

  2. Q: What are the key features of LAN8742AI-CZ? A: Some key features include support for 10/100 Mbps data rates, MII/RMII interfaces, low power consumption, and robust ESD protection.

  3. Q: Can LAN8742AI-CZ be used in both industrial and automotive applications? A: Yes, LAN8742AI-CZ is specifically designed to meet the requirements of both industrial and automotive environments.

  4. Q: What interfaces does LAN8742AI-CZ support? A: LAN8742AI-CZ supports both MII (Media Independent Interface) and RMII (Reduced Media Independent Interface) interfaces.

  5. Q: How much power does LAN8742AI-CZ consume? A: LAN8742AI-CZ has low power consumption, typically consuming less than 150mW during normal operation.

  6. Q: Does LAN8742AI-CZ provide ESD protection? A: Yes, LAN8742AI-CZ offers robust ESD protection, ensuring reliable operation in harsh environments.

  7. Q: Can I use LAN8742AI-CZ with microcontrollers or SoCs? A: Yes, LAN8742AI-CZ can be easily interfaced with various microcontrollers or SoCs using the supported MII/RMII interfaces.

  8. Q: Is LAN8742AI-CZ compatible with existing Ethernet protocols? A: Yes, LAN8742AI-CZ is fully compatible with standard Ethernet protocols such as TCP/IP, UDP, and IPv4/IPv6.

  9. Q: What are the temperature range and voltage supply requirements for LAN8742AI-CZ? A: LAN8742AI-CZ operates over a wide temperature range of -40°C to +85°C and requires a 3.3V power supply.

  10. Q: Are there any evaluation boards or reference designs available for LAN8742AI-CZ? A: Yes, Microchip provides evaluation boards and reference designs that can help developers quickly integrate LAN8742AI-CZ into their applications.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.