LAN8720A-CP

Name: LAN8720A-CP
Brand: Microchip Technology
Rating: 4.5 (10 reviews)
Author: Lisleapex

Ethernet ICs RMII 10/100 ETH XCVR w/HP AutoMDIXSupport

5,192 Effective Inventory

LAN8720A-CP

Effective Inventory5,192

Ethernet ICs RMII 10/100 ETH XCVR w/HP AutoMDIXSupport

Manufacturer Part # : LAN8720A-CP
Package/Case: QFN-24
Part Status : ACTIVE
Brand: Microchip Technology
Product Categories : Drivers, Receivers, Transceivers
Series : LAN8720

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LAN8720A-CP DataSheet

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LAN8720A-CP Details

The LAN8720A-CP is a compact, low-power Ethernet transceiver from Microchip Technology, designed for reliable data transmission in various Ethernet applications. This device is ideal for embedded systems, featuring auto-negotiation and auto-polarity detection, making it suitable for automotive, industrial, and consumer electronics applications.

Pinout

(internal pins)

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Compact, Low-Power Ethernet Transceiver: Provides a compact, low-power solution for 10/100 Mbps Ethernet connectivity.
MII/RMII Interface: Supports MII and RMII interfaces for easy integration with various microcontrollers and FPGAs.
Auto-Negotiation and Auto-Polarity Detection: Features auto-negotiation and auto-polarity detection, making it suitable for various Ethernet applications.

Applications

Ethernet Connectivity in Embedded Systems: Ideal for IoT devices, network switches, and industrial automation applications that require reliable Ethernet connectivity.
Communication Interface for Microcontrollers/FPGAs: Suitable for communication interface solutions requiring a low-power, compact Ethernet transceiver.

Where to Use

The LAN8720A-CP is suitable for applications that require reliable Ethernet connectivity in embedded systems, IoT devices, and industrial automation environments.

How to Use

Connect the LAN8720A-CP to your microcontroller or FPGA using the MII/RMII interface. Ensure proper power supply connections to VCC and GND pins. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the LAN8720A-CP illustrates how to connect the transceiver to a microcontroller or FPGA using the MII/RMII interface. It includes connections for power supply, ground, and Ethernet bus lines, ensuring proper operation and reliable data transmission.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LIN8720B-CP: A similar Ethernet transceiver from Microchip Technology offering comparable features and performance.

Complementary

The LAN8720A-CP can be complemented by other microcontrollers or FPGAs that require a separate Ethernet interface, allowing for flexible system design and integration.

When selecting complementary components, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: Does the LAN8720A-CP support full-duplex Ethernet?

A: Yes, the LAN8720A-CP supports full-duplex Ethernet transmission.

Q: Can I use the LAN8720A-CP in automotive applications?

A: Yes, the LAN8720A-CP is suitable for automotive applications that require reliable Ethernet connectivity and low power consumption.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Ethernet ICs	RoHS	Details
Mounting Style	SMD/SMT	Package / Case	QFN-24
Product	Ethernet Transceivers	Standard	10BASE-T, 100BASE-TX
Number of Transceivers	1 Transceiver	Data Rate !	10 Mb/s, 100 Mb/s
Interface Type	MDI-X, RMII	Supply Voltage - Min	1.14 V
Supply Voltage - Max	1.26 V	Minimum Operating Temperature	0 C
Maximum Operating Temperature !	+ 85 C	Series	LAN8720A
Brand	Microchip Technology	Duplex	Full Duplex, Half Duplex
Height	0.85 mm	Length	4 mm
Moisture Sensitive	Yes	Product Type !	Ethernet ICs
Factory Pack Quantity	490	Subcategory	Communication & Networking ICs
Supply Current - Max	21 mA	Width	4 mm
Unit Weight	0.002388 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LAN8720A-CP PDF Download

FAQs

What is LAN8720A-CP?

The LAN8720A-CP is a low-power, small-footprint 10/100 Mbps Ethernet physical layer transceiver (PHY) IC designed by Microchip. It is commonly used in networking applications to provide reliable Ethernet communication with low power consumption.

How Does LAN8720A-CP Work?

The LAN8720A-CP operates as a PHY transceiver, interfacing between the Ethernet MAC (Media Access Control) layer and the physical network medium. It converts digital data from the MAC into analog signals suitable for transmission over twisted-pair cables, and vice versa. The transceiver implements various functions such as auto-negotiation, collision detection, and link integrity monitoring to ensure efficient and reliable data transfer.

How Many Pins does LAN8720A-CP have and What are the Functions of the Pinout Configuration?

The LAN8720A-CP is housed in a 24-pin QFN (Quad Flat No-leads) package. The pinout configuration includes:

MDC: Management Data Clock
MDIO: Management Data I/O
TXD0, TXD1: Transmit Data
RXD0, RXD1: Receive Data
REFCLK: Reference Clock Input
COL:, CRS: Collision Detection/Carrier Sense
LED: LED Indicator Outputs
RESET: Reset Pin
AVDD, DVDD: Analog and Digital Power Supplies

What are the Pros and Cons of LAN8720A-CP?

Pros:

Low Power Consumption: Operates with low power consumption, suitable for energy-efficient designs.
Small Footprint: 24-pin QFN package offers a compact form factor for space-constrained applications.
Auto-Negotiation: Supports auto-negotiation for easy integration into various Ethernet environments.
Robust Features: Implements collision detection and link integrity monitoring for reliable data transmission.
Industry Standard: Compliant with IEEE 802.3 specifications for broad compatibility.

Cons:

External Magnetics Required: May require external magnetics for isolation and impedance matching.
Complex Configuration: Setting up advanced features like auto-negotiation may require careful configuration.
Cost: Higher cost compared to basic Ethernet controllers due to advanced functionality.

Are There Any Equivalents/Alternatives to LAN8720A-CP for Recommendation?

The DP83848I from Texas Instruments is a comparable Ethernet PHY transceiver with similar features.
Alternatives to the LAN8720A-CP include the KSZ8081 from Microchip and the Wiznet W5500 for Ethernet connectivity.