Overview
The DP83822IRHBT, 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 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 DP83822IRHBT is notable for its robustness, low power consumption, and advanced diagnostic tools, making it a reliable choice for various industrial applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature | -40°C to 125°C | °C |
| Supply Voltage (I/O) | 1.8V, 2.5V, 3.3V | V |
| Supply Voltage (Analog) | 1.8V, 3.3V | V |
| Power Consumption (1.8V AVD) | < 120 mW | mW |
| Power Consumption (3.3V AVD) | < 220 mW | mW |
| ESD Protection | IEC 61000-4-2: +/- 8KV contact discharge | KV |
| EFT Protection | IEC 61000-4-4: Class A at 4KV | KV |
| Conducted Emissions | CISPR 22: Class B | |
| Radiated Emissions | CISPR 22: Class B | |
| MAC Interfaces | MII, RMII, RGMII | |
| IEEE Compliance | IEEE 802.3u: 100BASE-FX, 100BASE-TX, 10BASE-Te | |
| Package Type | VQFN-32 |
Key Features
- Ultra-Robust PHY: Designed to withstand harsh industrial environments with IEC 61000-4-2 ESD protection up to +/- 8KV contact discharge and IEC 61000-4-4 EFT protection Class A at 4KV.
- Low Power Consumption: Offers low power single supply options with power consumption of less than 120 mW at 1.8V AVD and less than 220 mW at 3.3V AVD.
- Flexible Supply Options: Available I/O voltages include 3.3V, 2.5V, and 1.8V.
- Power Saving Features: Includes Energy Efficient Ethernet (EEE) IEEE 802.3az, Wake-on-LAN (WoL) support with magic packet detection, and programmable energy savings modes.
- Diagnostic Tools: Integrated cable diagnostics, built-in self-test (BIST), loopback, and rapid link-down detection.
- MAC Interfaces: Supports MII, RMII, and RGMII interfaces for flexibility in connecting to MACs.
- Auto-MDIX in Forced Modes: Automatically detects and adjusts for straight-through or crossover cables.
- Start of Frame Detect for IEEE 1588 Time Stamp: Supports precise timing for industrial applications.
Applications
- Motor Drives: Suitable for use in motor control systems due to its robustness and low power consumption.
- Factory Automation, Robotics, and Motion Control: Ideal for industrial automation environments requiring reliable Ethernet connectivity.
- Grid Infrastructure: Used in smart grid applications where robust and efficient Ethernet connectivity is crucial.
- Building Automation: Applies to building management systems that require reliable and low-power Ethernet solutions.
- Industrial Ethernet Fieldbus: Supports various industrial fieldbuses such as ProfiNET®.
- Real-Time Industrial Ethernet Applications: Suitable for applications requiring precise timing and robust connectivity.
Q & A
- What is the operating temperature range of the DP83822IRHBT?
The operating temperature range is -40°C to 125°C.
- What are the available supply voltages for the DP83822IRHBT?
The available supply voltages are 1.8V, 2.5V, and 3.3V.
- What are the power consumption levels for the DP83822IRHBT?
The power consumption is less than 120 mW at 1.8V AVD and less than 220 mW at 3.3V AVD.
- What ESD protection does the DP83822IRHBT offer?
The DP83822IRHBT offers IEC 61000-4-2 ESD protection up to +/- 8KV contact discharge.
- What MAC interfaces does the DP83822IRHBT support?
The DP83822IRHBT supports MII, RMII, and RGMII interfaces.
- Does the DP83822IRHBT support Energy Efficient Ethernet (EEE)?
Yes, it supports EEE as per IEEE 802.3az.
- What diagnostic tools are integrated into the DP83822IRHBT?
The device includes cable diagnostics, built-in self-test (BIST), loopback, and rapid link-down detection.
- Is the DP83822IRHBT compatible with industrial fieldbuses?
Yes, it supports multiple industrial fieldbuses such as ProfiNET®.
- What package type does the DP83822IRHBT come in?
The DP83822IRHBT comes in a 32-pin VQFN package.
- Does the DP83822IRHBT support Wake-on-LAN (WoL)?
Yes, it supports WoL with magic packet detection.
