Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tray |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RMII |
| NumberofDrivers/Receivers | 2/2 |
| Duplex | Full |
| Voltage-Supply | 1.6V ~ 3.6V |
| OperatingTemperature | 0°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 24-VFQFN Exposed Pad |
Tổng quan
Description
The LAN8720A-CP is a low-power, small-footprint Ethernet transceiver designed for embedded applications. It supports 10/100 Mbps Ethernet PHY functionality and is compliant with IEEE 802.3-2005 standards. The device integrates a Media Independent Interface (MII) and a Reduced Media Independent Interface (RMII), making it compatible with a wide range of microcontrollers and processors.
Key features of the LAN8720A-CP include auto-negotiation for speed and duplex mode, automatic polarity correction, and support for both full and half-duplex operation. It also includes an energy detection capability to reduce power consumption when the cable is not connected.
The transceiver is housed in a compact 24-pin, 4x4 mm QFN package, making it suitable for space-constrained designs. Its low-power consumption and integrated crystal-less PLL make the LAN8720A-CP ideal for portable and power-sensitive applications. The device operates over a wide temperature range, making it versatile for various industrial applications. Overall, the LAN8720A-CP is an efficient solution for implementing Ethernet connectivity in embedded systems.
Key features of the LAN8720A-CP include auto-negotiation for speed and duplex mode, automatic polarity correction, and support for both full and half-duplex operation. It also includes an energy detection capability to reduce power consumption when the cable is not connected.
The transceiver is housed in a compact 24-pin, 4x4 mm QFN package, making it suitable for space-constrained designs. Its low-power consumption and integrated crystal-less PLL make the LAN8720A-CP ideal for portable and power-sensitive applications. The device operates over a wide temperature range, making it versatile for various industrial applications. Overall, the LAN8720A-CP is an efficient solution for implementing Ethernet connectivity in embedded systems.
Equivalent
The LAN8720A-CP is an Ethernet PHY transceiver. Equivalent products include the Texas Instruments DP83848, DP83822, and DP83825, the Microchip KSZ8081, and the Realtek RTL8201. These components are also PHY transceivers designed for similar applications in Ethernet networking. When selecting an equivalent, ensure compatibility with your design requirements such as pin configuration, power supply, and supported speeds.
Features
The LAN8720A-CP is a compact, low-power 10/100 Ethernet transceiver (PHY) designed for Ethernet applications. Key features include:
1. IEEE 802.3 Compliance: Supports 10BASE-T and 100BASE-TX standards.
2. Small Form Factor: Offered in a 24-pin, 4x4 mm QFN package.
3. Low Power Consumption: Supports power-down and energy detect modes to conserve energy.
4. MDI/MDIX Crossover: Automatically corrects for straight-through or crossover cables.
5. HP Auto-MDIX Support: Facilitates easy network configuration.
6. Flexible Clocking: Supports various clocking options including RMII (Reduced Media Independent Interface).
7. Integrated Voltage Regulator: Operates with a single 3.3V supply.
8. Diagnostic Features: Includes link status, speed, and duplex indication.
9. Extended Temperature Range: Operates from -40°C to +85°C, suitable for industrial applications.
10. Simplified Implementation: Minimal external components required for operation.
11. Robust Design: Includes ESD (Electrostatic Discharge) protection.
These features make the LAN8720A-CP suitable for a variety of embedded Ethernet applications, providing reliable network connectivity with minimal power usage.
1. IEEE 802.3 Compliance: Supports 10BASE-T and 100BASE-TX standards.
2. Small Form Factor: Offered in a 24-pin, 4x4 mm QFN package.
3. Low Power Consumption: Supports power-down and energy detect modes to conserve energy.
4. MDI/MDIX Crossover: Automatically corrects for straight-through or crossover cables.
5. HP Auto-MDIX Support: Facilitates easy network configuration.
6. Flexible Clocking: Supports various clocking options including RMII (Reduced Media Independent Interface).
7. Integrated Voltage Regulator: Operates with a single 3.3V supply.
8. Diagnostic Features: Includes link status, speed, and duplex indication.
9. Extended Temperature Range: Operates from -40°C to +85°C, suitable for industrial applications.
10. Simplified Implementation: Minimal external components required for operation.
11. Robust Design: Includes ESD (Electrostatic Discharge) protection.
These features make the LAN8720A-CP suitable for a variety of embedded Ethernet applications, providing reliable network connectivity with minimal power usage.
Pinout
The LAN8720A-CP is a low-power 10/100 Ethernet PHY transceiver. It typically comes in a 24-pin QFN package. Here is a brief overview of its pin functions:
1. TXP/TXN: Differential transmit outputs.
2. RXP/RXN: Differential receive inputs.
3. REFCLKI: Reference clock input.
4. XTAL1/XTAL2: Crystal oscillator connections (or external clock input).
5. MDIO/MDC: Management data input/output and management data clock for the MII management interface.
6. RPTR: Repeater mode enable.
7. nINT/REFCLKO: Interrupt output or reference clock output, depending on configuration.
8. LED1/LED2: LED interface pins for status indication.
9. VDDIO: I/O voltage supply.
10. VDD2A/VDD1A: Analog voltage supplies.
11. VSS: Ground pins.
12. RXER: Receive error.
13. CRS: Carrier sense.
14. RXDV: Receive data valid.
15. TXEN: Transmit enable.
16. TXD[0:1]: Transmit data.
17. RXD[0:1]: Receive data.
The LAN8720A-CP is designed for low-power consumption and is used in applications requiring cost-effective and compact Ethernet connectivity.
1. TXP/TXN: Differential transmit outputs.
2. RXP/RXN: Differential receive inputs.
3. REFCLKI: Reference clock input.
4. XTAL1/XTAL2: Crystal oscillator connections (or external clock input).
5. MDIO/MDC: Management data input/output and management data clock for the MII management interface.
6. RPTR: Repeater mode enable.
7. nINT/REFCLKO: Interrupt output or reference clock output, depending on configuration.
8. LED1/LED2: LED interface pins for status indication.
9. VDDIO: I/O voltage supply.
10. VDD2A/VDD1A: Analog voltage supplies.
11. VSS: Ground pins.
12. RXER: Receive error.
13. CRS: Carrier sense.
14. RXDV: Receive data valid.
15. TXEN: Transmit enable.
16. TXD[0:1]: Transmit data.
17. RXD[0:1]: Receive data.
The LAN8720A-CP is designed for low-power consumption and is used in applications requiring cost-effective and compact Ethernet connectivity.
Manufacturer
The LAN8720A-CP is manufactured by Microchip Technology Inc. Microchip is a leading American semiconductor company that designs, manufactures, and sells microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. The company serves a broad range of industries, including automotive, aerospace, consumer electronics, and industrial sectors. As a prominent player in the semiconductor industry, Microchip provides comprehensive solutions that include hardware, software, and firmware to enable embedded control applications.
Application
The LAN8720A-CP is a low-power, small-footprint Ethernet transceiver commonly used in embedded systems. Its application areas include industrial automation, home automation, and consumer electronics. It's ideal for microcontroller-based designs that require Ethernet connectivity, such as IoT devices, networked sensors, and smart home appliances. The transceiver supports IEEE 802.3, 10BASE-T, and 100BASE-TX standards, making it suitable for fast Ethernet applications. Its small size and low power consumption are beneficial for portable and space-constrained devices. Additionally, it's used in automotive infotainment systems and other applications needing reliable network communication.
Package
The LAN8720A-CP is an Ethernet transceiver packaged in a 24-pin QFN (Quad Flat No-Lead) package.
