Overview
The DP83867ERGZT from Texas Instruments is a robust, low-latency gigabit Ethernet Physical Layer (PHY) transceiver designed for a wide range of applications. This device supports 10/100/1000Mbps Ethernet LANs and interfaces directly to twisted pair media through an external transformer. It is fully compliant with IEEE 802.3 10BASE-Te, 100BASE-TX, and 1000BASE-T specifications. The DP83867ERGZT is optimized for high immunity and low power consumption, making it suitable for industrial, automotive, and consumer electronics applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Data Rate | 10/100/1000 Mbps | |
| Interface | RGMII, SGMII | |
| Operating Temperature Range | -40 to 105 °C | |
| Package Type | VQFN (48 pins) | |
| Package Size | 7mm x 7mm | |
| Supply Voltage | 1.8V, 2.5V, 3.3V options | |
| Power Consumption | 457 mW (full operating power) | |
| ESD Protection | Exceeds 8000V IEC 61000-4-2 (direct contact) | |
| JTAG Support | Yes, JTAG1149.1 compliant | |
| Cable Length | Up to 130 meters |
Key Features
- Extra low latency: TX < 90ns, RX < 290ns
- Time Sensitive Network (TSN) compliant
- Low power consumption: 457mW
- High ESD protection: exceeds 8000V IEC 61000-4-2
- Meets EN55011 class B emission standards
- 16 programmable RGMII delay modes on RX/TX
- Integrated MDI termination resistors
- Programmable MAC interface termination impedance
- Wake-on-LAN (WoL) packet detection
- 25MHz or 125MHz synchronized clock output
- Start of Frame Detect for IEEE 1588 time stamp
- RJ45 mirror mode
- Cable diagnostics
- Fast link drop mode
- JTAG support
Applications
- Motor drives
- Industrial factory automation
- Field Bus Support
- Industrial embedded computing
- Wired and wireless communications infrastructure
- Test and measurement
- Consumer electronics
Q & A
- What are the supported data rates for the DP83867ERGZT?
The DP83867ERGZT supports data rates of 10/100/1000 Mbps.
- What interfaces does the DP83867ERGZT support?
The device supports RGMII and SGMII MAC interfaces.
- What is the operating temperature range of the DP83867ERGZT?
The operating temperature range is -40 to 105 °C.
- What is the package type and size of the DP83867ERGZT?
The package type is VQFN with 48 pins, and the size is 7mm x 7mm.
- What are the supply voltage options for the DP83867ERGZT?
The device supports 1.8V, 2.5V, and 3.3V supply voltage options.
- How much power does the DP83867ERGZT consume under full operating conditions?
The device consumes 457 mW under full operating power.
- What level of ESD protection does the DP83867ERGZT offer?
The device exceeds 8000V IEC 61000-4-2 (direct contact) for ESD protection.
- Does the DP83867ERGZT support JTAG?
Yes, the device is JTAG1149.1 compliant.
- What is the maximum cable length supported by the DP83867ERGZT?
The device supports cable lengths up to 130 meters.
- Is the DP83867ERGZT compliant with IEEE 1588 Precision Time Protocol (PTP)?
Yes, the device supports IEEE 1588 PTP with Start of Frame Detect for time stamping.
