Overview
The DP83822IFRHBT, produced by Texas Instruments, is an ultra-robust, low-power single-port 10/100 Mbps Ethernet Physical Layer (PHY) transceiver. Designed for harsh industrial environments, this device provides all the physical layer functions necessary to transmit and receive data over standard twisted-pair cables or connect to an external fiber optic transceiver. It offers flexibility in connecting to a MAC through standard MII, RMII, or RGMII interfaces. The DP83822IFRHBT is notable for its robustness, low power consumption, and integrated diagnostic tools, making it a reliable choice for various industrial applications.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Operating Temperature | -40°C to 125°C | -40°C to 125°C |
| Supply Voltage (I/O) | 1.8V, 2.5V, or 3.3V | 1.71-1.89V (1.8V), 2.375-2.625V (2.5V), 3.15-3.45V (3.3V) |
| Supply Voltage (Analog) | 1.8V or 3.3V | 1.71-1.89V (1.8V), 3.15-3.45V (3.3V) |
| MAC Interfaces | MII, RMII, RGMII | |
| Compliance | IEEE 802.3u: 100BASE-FX, 100BASE-TX, 10BASE-Te | |
| ESD Protection | IEC 61000-4-2: +/- 8KV contact discharge | |
| EFT Protection | IEC 61000-4-4: Class A at 4KV | |
| Conducted Emissions | CISPR 22: Class B | |
| Radiated Emissions | CISPR 22: Class B | |
| Package | 32-pin VQFN (5.00-mm × 5.00-mm) |
Key Features
- Ultra-robust 10/100 Mbps Ethernet PHY with IEC 61000-4-2 ESD protection (±8KV contact discharge) and IEC 61000-4-4 EFT protection (Class A at 4KV)
- CISPR 22 compliance for conducted and radiated emissions (Class B)
- Flexible supply options: 1.8V, 2.5V, or 3.3V I/O supply and 1.8V or 3.3V analog supply
- Low power consumption: < 120 mW at 1.8V and < 220 mW at 3.3V
- Energy-efficient features: Energy Efficient Ethernet (EEE) IEEE 802.3az and Wake-on-LAN (WoL) support with magic packet detection
- Programmable energy savings modes
- Integrated diagnostic tools: Cable diagnostics, Built-in Self-Test (BIST), loopback, and rapid link-down detection
- Auto-crossover in forced modes and Auto-MDIX support
- Start of frame detect for IEEE 1588 time stamp
- GPIO pins for additional functionality
Applications
- Motor drives
- Factory automation, robotics, and motion control
- Grid infrastructure
- Building automation
- Industrial Ethernet fieldbus
- Real-time industrial Ethernet applications such as ProfiNET®
Q & A
- What are the operating temperature ranges for the DP83822IFRHBT?
The operating temperature range for the DP83822IFRHBT is -40°C to 125°C.
- What MAC interfaces does the DP83822IFRHBT support?
The DP83822IFRHBT supports MII, RMII, and RGMII MAC interfaces.
- What are the power supply options for the DP83822IFRHBT?
The device supports 1.8V, 2.5V, or 3.3V I/O supply and 1.8V or 3.3V analog supply.
- Does the DP83822IFRHBT have any energy-efficient features?
Yes, it supports Energy Efficient Ethernet (EEE) IEEE 802.3az and Wake-on-LAN (WoL) with magic packet detection.
- What diagnostic tools are integrated into the DP83822IFRHBT?
The device includes cable diagnostics, Built-in Self-Test (BIST), loopback, and rapid link-down detection.
- Is the DP83822IFRHBT compliant with any specific standards for emissions?
Yes, it is compliant with CISPR 22 for both conducted and radiated emissions (Class B).
- What is the package type and size of the DP83822IFRHBT?
The device comes in a 32-pin VQFN package with dimensions of 5.00-mm × 5.00-mm.
- Does the DP83822IFRHBT support Auto-MDIX?
Yes, it supports Auto-MDIX in forced modes.
- Can the DP83822IFRHBT be used in industrial Ethernet fieldbus applications?
Yes, it is suitable for industrial Ethernet fieldbus applications and real-time industrial Ethernet applications such as ProfiNET®.
- What are some of the key applications for the DP83822IFRHBT?
Key applications include motor drives, factory automation, robotics, motion control, grid infrastructure, building automation, and industrial Ethernet fieldbus.
