LAN8742A-CZ

Name: LAN8742A-CZ
Brand: Microchip Technology
Rating: 4.5 (10 reviews)
Author: Lisleapex

LAN8742A-CZ is part of LAN8742A Series with a QFN-24 package, offering a small footprint solution for auto MDIX Ethernet PHY

7,416 Effective Inventory

LAN8742A-CZ

Effective Inventory7,416

LAN8742A-CZ is part of LAN8742A Series with a QFN-24 package, offering a small footprint solution for auto MDIX Ethernet PHY

Manufacturer Part # : LAN8742A-CZ
Package/Case: QFN-24
Brand: Microchip Technology
Product Categories : Drivers, Receivers, Transceivers
Series : LAN8742

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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LAN8742A-CZ DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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LAN8742A-CZ Details

The LAN8742A-CZ is a high-performance Ethernet PHY from Microchip Technology, designed for reliable data transmission in various applications. This device features integrated autonegotiation and HP Auto-MDIX, making it suitable for industrial communication networks requiring robust and reliable data transmission.

Key Features

Integrated Autonegotiation: Supports autonegotiation for easy integration into various applications.
HP Auto-MDIX: Offers HP Auto-MDIX for reliable data transmission in industrial communication networks.
High-Performance Ethernet: Designed for high-performance Ethernet applications requiring robust and reliable data transmission.

Applications

Industrial Communication Networks: Suitable for industrial communication networks requiring robust and reliable data transmission.
Automotive Systems: Ideal for automotive systems where high-performance Ethernet and reliability are critical.
Building Automation: Used in building automation systems for efficient and reliable data communication.

Where to Use

The LAN8742A-CZ is suitable for applications that require high-performance Ethernet and reliability, especially in industrial and automotive environments. It is ideal for systems where integrated autonegotiation and HP Auto-MDIX are important.

How to Use

Connect the LAN8742A-CZ to your Ethernet communication bus by wiring the respective pins according to the datasheet. Ensure proper power supply connections to VCC and GND. Use the device's features, such as integrated autonegotiation and HP Auto-MDIX, to control and monitor data transmission. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the LAN8742A-CZ illustrates how to connect the device to an Ethernet bus. It includes connections for power supply, ground, and communication bus lines, ensuring proper operation and reliable data transmission.

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

Complementary

The LAN8742A-CZ can be complemented by other Microchip Technology devices offering similar features and performance, such as the LAN8742B-CZ. When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum data rate supported by the LAN8742A-CZ?

A: The LAN8742A-CZ supports high-performance Ethernet applications with data rates up to 1Gbps. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the LAN8742A-CZ be used in automotive systems?

A: Yes, the LAN8742A-CZ is suitable for automotive systems where high-performance Ethernet and reliability are critical. It offers integrated autonegotiation and HP Auto-MDIX for reliable data transmission.

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	SQFN-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	1.8 V
Supply Voltage - Max	3.3 V	Minimum Operating Temperature	0 C
Maximum Operating Temperature !	+ 70 C	Series	LAN8742A
Brand	Microchip Technology	Moisture Sensitive	Yes
Product Type !	Ethernet ICs	Factory Pack Quantity	490
Subcategory	Communication & Networking ICs	Unit Weight	0.267518 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 LAN8742A-CZ PDF Download

FAQs

What is LAN8742A-CZ?

The LAN8742A-CZ is a low-power, small-footprint 10/100 Ethernet physical layer transceiver (PHY) designed by Microchip Technology. It provides a cost-effective and efficient solution for Ethernet connectivity in various applications, including industrial automation, embedded systems, and IoT devices.

How Does LAN8742A-CZ Work?

The LAN8742A-CZ operates as a PHY transceiver that enables the transmission and reception of Ethernet data packets over a twisted-pair cable. It interfaces between the MAC (Media Access Control) layer and the physical medium, handling tasks such as data encoding, decoding, and collision detection. The transceiver supports auto-negotiation and auto-MDIX features for easy system integration.

How Many Pins does LAN8742A-CZ have and What are the Functions of the Pinout Configuration?

The LAN8742A-CZ is housed in a 24-pin QFN (Quad Flat No-Lead) package. The pinout configuration includes:

VDDIO, VDDANA: Power supply pins for I/O and analog circuits, respectively.
TXD0, TXD1: Transmit data differential pair.
RXD0, RXD1: Receive data differential pair.
REFCLK, CRS, MDIO, MDC: Control and communication pins for configuration and management.
LED[0:2]: Indicator LED output pins.
GPIO[0:2]: General-purpose input/output pins.

What are the Pros and Cons of LAN8742A-CZ?

Pros:

Low Power Consumption: Operates with low power, suitable for power-sensitive applications.
Small Footprint: Compact QFN package saves board space and allows for integration into space-constrained designs.
Auto-Negotiation: Supports automatic configuration of link parameters for simplified setup.
Auto-MDIX: Enables automatic detection and correction of cable type for flexible connectivity.
Robust Performance: Provides reliable Ethernet connectivity with built-in diagnostics and error detection.

Cons:

Compatibility: Requires proper interfacing with MAC and higher-level protocol layers for seamless operation.
External Components: May need external magnetics and termination resistors for optimal signal integrity.
Heat Dissipation: Careful thermal management may be needed due to power consumption.

Are There Any Equivalents/Alternatives to LAN8742A-CZ for Recommendation?

The DP83822 from Texas Instruments is a similar low-power Ethernet PHY with advanced features.
Alternatives to the LAN8742A-CZ include the KSZ8081 from Microchip Technology and the BCM54616 from Broadcom.