Overview
The DP83848MPHPEP, produced by Texas Instruments, is a highly reliable and feature-rich Ethernet PHY transceiver designed to provide robust Ethernet connectivity in harsh environments. This device operates over a military temperature range of –55°C to 125°C, making it ideal for applications such as avionics, defense, and industrial control. It supports both 10BASE-T and 100BASE-TX Ethernet protocols, ensuring compatibility and interoperability with other standards-based Ethernet solutions.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 48-pin HTQFP (PHP) |
| Operating Temperature Range (°C) | –55 to 125 |
| Power Consumption | < 270 mW typical |
| CMOS Technology | 3.3-V, 0.18-µm |
| MAC Interface | 3.3-V |
| Clock Out | 25 MHz |
| Interfaces | MII, RMII rev. 1.2, SNI (configurable) |
| Standards Compliance | IEEE 802.3u, IEEE 1149.1 JTAG |
| Physical Sublayer | ANSI X3.263 compliant TP-PMD with adaptive equalization and baseline wander compensation |
Key Features
- Low-power consumption (< 270 mW typical)
- Auto-MDIX for 10/100 Mbps
- Energy detection mode
- 25-MHz clock out
- Configurable SNI, MII, and RMII rev. 1.2 interfaces
- IEEE 802.3u MII, auto-negotiation, and parallel detection
- Integrated ENDEC, 10BASE-T transceivers and filters, and 100BASE-TX transceivers and filters
- IEEE 1149.1 JTAG
- Integrated ANSI X3.263 compliant TP-PMD physical sublayer with adaptive equalization and baseline wander compensation
- Error-free operation up to 150 m
- 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 (7 mm × 7 mm)
Applications
The DP83848MPHPEP is ideally suited for harsh environments and is commonly used in applications such as:
- Avionics
- Defense
- Industrial control
Q & A
- What is the operating temperature range of the DP83848MPHPEP?
The operating temperature range is –55°C to 125°C. - What package type does the DP83848MPHPEP use?
The device is packaged in a 48-pin HTQFP (PHP). - What are the supported Ethernet protocols?
The device supports both 10BASE-T and 100BASE-TX Ethernet protocols. - Does the DP83848MPHPEP support auto-negotiation?
Yes, it supports IEEE 802.3u auto-negotiation and parallel detection. - What is the typical power consumption of the DP83848MPHPEP?
The typical power consumption is less than 270 mW. - Does the DP83848MPHPEP have built-in self-test capabilities?
Yes, it includes 10/100 Mbps packet BIST (built-in self-test). - What interfaces are supported by the DP83848MPHPEP?
The device supports MII, RMII rev. 1.2, and configurable SNI interfaces. - Is the DP83848MPHPEP lead-free?
Yes, the device is packaged in lead-free 48-pin PQFP packages. - What is the maximum error-free operation distance for the DP83848MPHPEP?
The device ensures error-free operation up to 150 meters. - Does the DP83848MPHPEP support programmable LEDs?
Yes, it supports programmable LEDs for link, 10/100 Mbps mode, activity, and collision detect.
