Overview
The DP83848-EP, produced by Texas Instruments, is a highly reliable and feature-rich Ethernet physical layer transceiver designed to provide robust Ethernet connectivity in harsh environments. This device meets IEEE 802.3u standards and operates over a military temperature range of –55°C to 125°C, making it ideal for applications such as avionics, defense, industrial control, and other demanding environments. The DP83848-EP supports both 10BASE-T and 100BASE-TX Ethernet protocols, ensuring compatibility and interoperability with other standards-based Ethernet solutions.
Key Specifications
| Specification | Details |
|---|---|
| Package | HTQFP (PHP) with 48 pins |
| Operating Temperature Range | –55°C to 125°C |
| Package Dimensions | 7 mm × 7 mm × 1.00 mm |
| Power Consumption | < 270 mW typical |
| CMOS Technology | Low-power 3.3-V, 0.18-µm |
| MAC Interface | 3.3-V |
| Clock Output | 25-MHz |
| Interfaces | MII, RMII rev. 1.2, SNI (configurable) |
| Compliance | IEEE 802.3u MII, auto-negotiation, and parallel detection |
| Error-Free Operation | Up to 150 meters |
Key Features
- Low-power 3.3-V, 0.18-µm CMOS technology
- Low-power consumption < 270 mW typical
- 3.3-V MAC interface
- Auto-MDIX for 10/100 Mbps
- Energy detection mode
- 25-MHz clock out
- SNI interface (configurable)
- RMII rev. 1.2 interface (configurable)
- MII serial management interface (MDC and MDIO)
- IEEE 802.3u MII, auto-negotiation, and parallel detection
- Integrated ANSI X3.263 compliant TP-PMD physical sublayer with adaptive equalization and baseline wander compensation
- Error-free operation up to 150 meters
- Programmable LED support for link, 10/100 Mbps mode, activity, and collision detect
- Single register access for complete PHY status
- 10/100 Mbps packet BIST (built-in self-test)
- Lead-free 48-pin PQFP packages
- Enhanced ESD protection
- IEEE 1149.1 JTAG
Applications
- Avionics and defense
- Industrial controls and factory automation
- Wireless remote base stations
- Automotive and transportation systems
- General embedded applications
- Medical applications
Q & A
- What is the operating temperature range of the DP83848-EP?
The operating temperature range is –55°C to 125°C.
- What are the key interfaces supported by the DP83848-EP?
The device supports MII, RMII rev. 1.2, and SNI interfaces.
- Does the DP83848-EP support auto-negotiation?
- What is the power consumption of the DP83848-EP?
The typical power consumption is less than 270 mW.
- What is the maximum error-free operation distance for the DP83848-EP?
Error-free operation is supported up to 150 meters.
- Does the DP83848-EP have built-in self-test capabilities?
- What type of CMOS technology is used in the DP83848-EP?
It uses low-power 3.3-V, 0.18-µm CMOS technology.
- Is the DP83848-EP lead-free?
- What are some of the applications suitable for the DP83848-EP?
It is suitable for avionics, defense, industrial control, automotive, and medical applications.
- Does the DP83848-EP support programmable LEDs?
