DP83822IFRHBT

Specialized Overview

The DP83822IFRHBT is a robust, low-power 10/100 Mbps Ethernet Physical Layer Transceiver manufactured by Texas Instruments. It supports 10BASE-T and 100BASE-TX standards with interface options including MII, RMII, and RGMII. The device operates on a single supply voltage ranging from 1.8 V to 3.45 V and functions within an industrial temperature range of -40°C to +85°C. Packaged in a 32-pin VQFN (5x5 mm) format, it integrates features such as Wake-on-LAN, Energy-Efficient Ethernet, and cable diagnostics.

Specialized Feature Summary

• Integrated support for multiple media-independent interfaces including MII, RMII, and RGMII for flexible host connectivity.
• Built-in cable diagnostics capability for monitoring link integrity and detecting faults.
• Supports energy-efficient operation through IEEE 802.3az Energy-Efficient Ethernet compliance.
• Includes Wake-on-LAN functionality to enable remote system activation.

Specialized Applications

• Industrial Ethernet communication systems requiring extended temperature stability.
• EtherCAT slave devices utilizing SPI interfaces for high EMC immunity.
• Multi-protocol industrial networking equipment and fieldbus controllers.
• Cost-optimized embedded network interface designs.

Specialized Procurement Notes

Verify the specific suffix 'IFRHBT' against the manufacturer's current datasheet to confirm the exact temperature rating and package variant. Ensure compatibility with the target operating environment specifications before procurement. Cross-reference the component marking with official documentation to prevent substitution errors during assembly.

Specialized Selection Notes

Select this component when an industrial-grade PHY is required for 10/100 Mbps applications. It is suitable for designs needing integrated cable diagnostics and low power consumption. Verify that the host processor supports the desired interface mode, such as RMII or RGMII, to ensure proper signal routing and timing constraints are met.

Specialized Part Context

This part belongs to the DP83822 family of Ethernet transceivers designed for robust performance in demanding environments. It serves as a physical layer solution for connecting MAC controllers to twisted-pair cabling. The series is commonly utilized in industrial automation and control networks where reliability and low latency are critical operational requirements.

Specialized Replacement Considerations

Direct substitutes include other variants within the DP83822 family, such as DP83822IRHBT or DP83822HRHBT, depending on the required temperature grade. Verify pinout and electrical characteristics match the original design intent before swapping components.