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DP83822EVM

DP83822I 10-Mbps & 100-Mbps Ethernet PHY evaluation module

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DP83822EVM

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Overview

The DP83822EVM supports 100BASE-FX, 100BASE-TX and 10BASE-Te. This design has been tested and validated at UNH for compliance. It is also emissions Class A certified and is rated to ±8-kV IEC61000-4-2 (contact discharge).

The DP83822EVM incudes two onboard status LEDs and a 5-V USB connector with onboard LDO regulators. The EVM is SMI accessible using the USB-2-MDIO tool. The 4-level straps let you configure the system without the need to directly access the PHY registers. External power supplies can be connected to each specified voltage rail for additional system evaluation. The DP83822EVM supports energy-efficient Ethernet, wake-on-LAN, start-of-frame detect IEEE 1588 timestamp and configurable I/O voltages.

Features
  • 100BASE-TX, 100BASE-FX and 10BASE-Te compliant
  • MII, RMII master, RMII slave and RGMII MAC interfaces
  • Low-power modes: Energy-efficient Ethernet, wake-on-LAN, active sleep, passive sleep, IEEE power down, deep power down
  • IEEE 1588 start-of-frame detection
  • Supports error-free data transfer over 150 m using CAT5 cable
Ethernet PHYs
DP83822H — Extended temperature, robust low-power 10/100-Mbps Ethernet PHY transceiver with 16-kV ESD DP83822HF — Extended temperature, robust 10/100-Mbps Ethernet PHY transceiver with fiber support & 16-kV ESD DP83822I — Low-power, robust 10/100-Mbps Ethernet PHY transceiver with 16-kV ESD DP83822IF — Low-power, robust 10/100-Mbps Ethernet PHY transceiver with fiber support & 16-kV ESD

 

Clock generators
CDCE925 — Programmable 2-PLL VCXO clock synthesizer with 2.5-V or 3.3-V LVCMOS outputs

 

ESD & surge protection ICs
TPD4E05U06-Q1 — Automotive Quad 0.5-pF, 5.5-V, ±12-kV ESD protection diode for USB & High Speed Interfaces

 

Linear & low-dropout (LDO) regulators
TL1963A-Q1 — Automotive 1.5-A, 20-V, adjustable low-dropout voltage regulator with reverse current protection

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Evaluation board

DP83822EVM – DP83822EVM 10/100 Mbps Ethernet PHY Evaluation Module

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Technical documentation

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Type Title Date
* User guide DP83822 EVM User's Guide Aug. 19, 2016
Data sheet DP83822 Robust, Low Power 10/100 Mbps Ethernet Physical Layer Transceiver datasheet (Rev. F) Jun. 08, 2021
Application note Ethernet PHY Configuration Using MDIO for Industrial Applications (Rev. A) May 07, 2021
Data sheet DP83822 Robust, low power 10/100 Mbps ethernet physical layer transceiver datasheet (Rev. D) Feb. 14, 2019
Certificate DP83822EVM EU Declaration of Conformity (DoC) Jan. 02, 2019

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