Overview
The DP83869HMRGZT is a high-immunity gigabit Ethernet Physical Layer (PHY) transceiver produced by Texas Instruments. This device is designed to support a wide range of Ethernet protocols, including 10BASE-Te, 100BASE-TX, 1000BASE-T, 1000BASE-X, and 100BASE-FX. It features an extended temperature range of -40°C to 125°C, making it suitable for various industrial and automotive applications. The DP83869HMRGZT is packaged in a 48-pin VQFN (Very Thin Quad Flat No-Lead) package, which is surface mountable and has a compact footprint of 7mm x 7mm.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | 48-VQFN |
| Package Size | 7mm x 7mm |
| Number of Terminals | 48 |
| Terminal Pitch | 0.5 mm |
| Supply Voltage (Nominal) | 1.1 V |
| Operating Temperature Range | -40°C to 125°C |
| Data Rate | 1000 Mbps |
| Interface | Copper & Fiber |
| Compliance | RoHS, REACH compliant |
Key Features
- Supports 10BASE-Te, 100BASE-TX, 1000BASE-T, 1000BASE-X, and 100BASE-FX Ethernet protocols.
- High immunity to electromagnetic interference (EMI) and electrostatic discharge (ESD), exceeding 8kV IEC 61000-4-2 (direct contact).
- Interfaces to the MAC layer through RGMII, SGMII, and MII.
- Programmable integrated termination impedance on RGMII/MII to reduce system BOM.
- Supports media conversion in unmanaged mode, including 1000BASE-X-to-1000BASE-T and 100BASE-FX-to-100BASE-TX conversions.
- Compliant to TSN (Time-Sensitive Networking) standards and offers low latency.
- IEEE 1588 support via SFD (Sync Frame Detect) for time synchronization.
- Wake on LAN support and configurable IO voltages (1.8V, 2.5V, and 3.3V).
- Cable diagnostics – TDR (Time-Domain Reflectometry) and BIST (Built-In Self-Test)).
Applications
- Industrial Factory Automation
- Grid Infrastructure
- Motor and Motion Control
- Test and Measurement
- Building Automation
- Real-Time Industrial Ethernet Applications such as ProfiNET®).
Q & A
- What is the DP83869HMRGZT used for?
The DP83869HMRGZT is a gigabit Ethernet PHY transceiver used for various industrial and automotive applications, supporting multiple Ethernet protocols.
- What is the operating temperature range of the DP83869HMRGZT?
The operating temperature range is -40°C to 125°C.
- What types of interfaces does the DP83869HMRGZT support?
The device supports copper and fiber interfaces.
- Is the DP83869HMRGZT compliant with any specific standards?
Yes, it is compliant with TSN standards and supports IEEE 1588 for time synchronization.
- What is the package type and size of the DP83869HMRGZT?
The package type is 48-VQFN, and the size is 7mm x 7mm.
- Does the DP83869HMRGZT support media conversion?
Yes, it supports media conversion in unmanaged mode, including 1000BASE-X-to-1000BASE-T and 100BASE-FX-to-100BASE-TX conversions.
- What are some of the key features of the DP83869HMRGZT?
Key features include high immunity to EMI and ESD, programmable termination impedance, and support for Wake on LAN and cable diagnostics.
- Is the DP83869HMRGZT RoHS and REACH compliant?
Yes, it is both RoHS and REACH compliant.
- What are the typical applications of the DP83869HMRGZT?
Typical applications include industrial factory automation, grid infrastructure, motor and motion control, test and measurement, and building automation.
- How does the DP83869HMRGZT interface with the MAC layer?
The device interfaces to the MAC layer through RGMII, SGMII, and MII.
