Overview
The DP83822HRHBT is a highly integrated, ultra-robust, low-power single-port 10/100 Mbps Ethernet PHY transceiver designed by Texas Instruments. This device is tailored for harsh industrial environments and provides all physical layer functions necessary for transmitting and receiving data over standard twisted-pair cables or connecting to an external fiber optic transceiver. It supports connections to a MAC through standard MII, RMII, or RGMII interfaces. The DP83822HRHBT is known for its robust performance, low power consumption, and extensive diagnostic capabilities, making it an ideal choice for industrial Ethernet networks.
Key Specifications
| Parameter | Value |
|---|---|
| Package | VQFN-32 (5.00-mm × 5.00-mm) |
| Pins | 32 |
| Operating Temperature Range (°C) | -40 to 125 |
| Data Rate (Mbps) | 10/100 |
| Interface Type | MII, RMII, RGMII |
| Number of Ports | Single |
| Supply Voltage (V) | 1.8 or 3.3 |
| I/O Supply Voltage (typ) (V) | 1.8, 2.5, 3.3 |
| ESD HBM (kV) | 8 |
| Compliance | IEEE 802.3u, CISPR 22 Class B, IEC 61000-4-2, IEC 61000-4-4 |
Key Features
- Ultra-robust 10/100 Mbps PHY with high ESD tolerance (IEC 61000-4-2: +/- 8KV contact discharge, IEC 61000-4-4: Class A at 4KV)
- Low power consumption with single supply options (1.8V AVD < 120 mW, 3.3-V AVD < 220 mW)
- Energy Efficient Ethernet (EEE) IEEE 802.3az and Wake-on-LAN (WoL) support with magic packet detection
- Integrated cable diagnostic tools, 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
- Programmable energy savings modes
- Compatibility with various network standards including 100BASE-FX, 100BASE-TX, and 10BASE-Te
Applications
The DP83822HRHBT is commonly used in various industrial and networking applications, including:
- Industrial automation
- Automotive systems
- Smart grid infrastructure
- Networked security cameras
- Routers and switches requiring high-speed Ethernet connectivity
Q & A
- What is the operating temperature range of the DP83822HRHBT?
The operating temperature range is -40°C to 125°C.
- What are the supported interface types for the DP83822HRHBT?
The device supports MII, RMII, and RGMII interfaces.
- What are the power consumption characteristics of the DP83822HRHBT?
The device has low power consumption with single supply options: 1.8V AVD < 120 mW and 3.3-V AVD < 220 mW.
- Does the DP83822HRHBT support Energy Efficient Ethernet (EEE)?
- What diagnostic tools are integrated into the DP83822HRHBT?
- Is the DP83822HRHBT compatible with industrial fieldbuses?
- What is the package type and pin count of the DP83822HRHBT?
- Does the DP83822HRHBT support Wake-on-LAN (WoL)?
- What are some equivalent products to the DP83822HRHBT?
- In which applications is the DP83822HRHBT commonly used?
