LAN83C185-JT

Product Overview

Category

The LAN83C185-JT belongs to the category of Ethernet transceivers.

Use

It is primarily used for connecting electronic devices to local area networks (LANs) and facilitating communication between them.

Characteristics

• High-speed data transmission capability
• Reliable performance in various network environments
• Low power consumption
• Compact package size
• Easy integration into existing network systems

Package

The LAN83C185-JT is available in a small form-factor package, which ensures space efficiency and ease of installation.

Essence

This Ethernet transceiver is designed to provide reliable and efficient data transmission between devices connected to a LAN.

Packaging/Quantity

The LAN83C185-JT is typically packaged individually and is available in various quantities depending on customer requirements.

Specifications

• Data Rate: Up to 100 Mbps
• Interface: MII (Media Independent Interface)
• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Type: QFN (Quad Flat No-Lead)
• Dimensions: 5mm x 5mm

Detailed Pin Configuration

The LAN83C185-JT has the following pin configuration:

1. VDD
2. TXEN
3. TXD0
4. TXD1
5. TX_CLK
6. RX_CLK
7. RXD0
8. RXD1
9. RX_DV
10. RX_ER
11. CRS
12. MDIO
13. MDC
14. REF_CLK
15. VSS

Functional Features

• Auto-negotiation: The LAN83C185-JT supports auto-negotiation, allowing it to automatically determine the best possible connection speed and duplex mode.
• Link Quality Indicator (LQI): It provides a mechanism to assess the quality of the link and detect any potential issues.
• Energy-Efficient Ethernet (EEE): This feature enables power-saving capabilities by reducing power consumption during periods of low network activity.
• Loopback Mode: The LAN83C185-JT supports loopback mode, which allows for self-testing and diagnostics.

Advantages and Disadvantages

Advantages

• High-speed data transmission
• Reliable performance in various network environments
• Low power consumption
• Compact package size for space efficiency
• Easy integration into existing network systems

Disadvantages

• Limited to 100 Mbps data rate
• Requires external magnetics for proper operation

Working Principles

The LAN83C185-JT operates based on the principles of Ethernet communication. It uses the MII interface to transmit and receive data packets between connected devices. The transceiver converts the electrical signals from the device's MAC (Media Access Control) layer into a format suitable for transmission over the physical medium (e.g., twisted-pair cables). It also performs signal conditioning and error checking to ensure reliable data transfer.

Detailed Application Field Plans

The LAN83C185-JT is widely used in various applications, including:

1. Industrial automation systems
2. Home networking
3. Automotive electronics
4. Internet of Things (IoT) devices
5. Telecommunications equipment

In industrial automation systems, it enables reliable communication between different control devices and sensors. In home networking, it facilitates seamless connectivity between multiple devices such as computers, printers, and smart home appliances. In automotive electronics, it supports efficient data exchange between various vehicle components. In IoT devices, it enables connectivity and data transfer in smart devices and sensors. In telecommunications equipment, it ensures high-speed data transmission in network infrastructure.

Detailed and Complete Alternative Models

1. LAN8720A-CZ-TR: Ethernet transceiver with similar specifications and features.
2. DP83848CVV/NOPB: Another Ethernet transceiver suitable for LAN applications.
3. KSZ8081RNBIA: Low-power Ethernet transceiver with integrated diagnostics.

These alternative models offer similar functionality and can be considered as alternatives to the LAN83C185-JT based on specific application requirements.

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