Product Overview
The DP83822IRHBR from Texas Instruments is an ultra-robust, low-power 10/100 Mbps Ethernet PHY transceiver in a VQFN-32 (RHB) 5×5 mm package. Supporting 100BASE-FX, 100BASE-TX, and 10BASE-Te with MII/RMII/RGMII MAC interfaces, it features 8 kV IEC ESD, IEEE 802.3az EEE, fiber support, and an extended -40 to 125 deg C industrial temperature range.
Key Specifications
| Data Rate | 10/100 Mbps |
| Standards | IEEE 802.3u (100BASE-FX/TX, 10BASE-Te) |
| MAC Interface | MII, RMII, RGMII |
| Supply Voltage | 1.8V or 3.3V (single supply) |
| I/O Voltages | 1.8V, 2.5V, 3.3V |
| Power (1.8V AVD) | < 120 mW |
| Power (3.3V AVD) | < 220 mW |
| ESD (IEC 61000-4-2) | +/-8 kV contact discharge |
| ESD (HBM) | 8 kV |
| LEDs | 3 programmable |
| Package | VQFN-32 (RHB) 5×5 mm |
| Temperature | -40 to +125 deg C (HF variant) |
Features
- Ultra-robust design for harsh industrial environments with 8 kV IEC ESD
- Fiber optic support via 100BASE-FX for electrically isolated links
- IEEE 802.3az Energy Efficient Ethernet for reduced power consumption
- Integrated cable diagnostics, BIST, and loopback for field debugging
- Pin-to-pin upgrade path from TLK105/TLK106 legacy PHYs
Applications
- Industrial Ethernet (PROFINET, EtherCAT, EtherNet/IP)
- Factory automation and motor drives
- Building automation and HVAC controllers
- Grid infrastructure and smart energy
- Ruggedized networking for transportation