Overview
The DP83848-EP, produced by Texas Instruments, is a highly reliable and feature-rich single port 10/100 Mbps Ethernet Physical Layer Transceiver designed for operation in harsh environments. This device is built using low-power 3.3-V, 0.18-µm CMOS technology, ensuring low power consumption of less than 270 mW. It is particularly suited for applications requiring Ethernet connectivity in avionics, defense, industrial controls, and general embedded systems. The DP83848-EP meets IEEE 802.3u standards and operates over a military temperature range of –55°C to 125°C, making it ideal for use in extreme conditions.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | 48-pin PQFP (PHP or PTB) |
| Package Dimensions | 7.00 mm × 7.00 mm × 1.00 mm (PHP), 7.00 mm × 7.00 mm × 1.40 mm (PTB) |
| Operating Voltage | 3.3 V |
| Power Consumption | < 270 mW typical |
| Temperature Range | –55°C to 125°C |
| Interface | MII, RMII, SNI |
| Clock Frequency | 25 MHz (MII), 50 MHz (RMII) |
| LED Support | Programmable LED for link, 10/100 Mbps mode, activity, and collision detect |
| Compliance | IEEE 802.3u, IEEE 1149.1 JTAG |
Key Features
- Low-power consumption using 3.3-V, 0.18-µm CMOS technology
- Auto-MDIX for 10/100 Mbps
- Energy detection mode
- 25-MHz clock out (MII mode) and 50-MHz clock out (RMII mode)
- Configurable MII, RMII, and SNI interfaces
- 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)
- Enhanced ESD protection
Applications
- Avionics and defense
- Industrial controls and factory automation
- General embedded applications
- Supports defense, aerospace, and medical applications
Q & A
- What is the operating temperature range of the DP83848-EP?
The DP83848-EP operates over a military temperature range of –55°C to 125°C.
- What are the supported interfaces for the DP83848-EP?
The DP83848-EP supports MII, RMII, and SNI interfaces.
- What is the typical power consumption of the DP83848-EP?
The typical power consumption is less than 270 mW.
- Does the DP83848-EP support programmable LEDs?
Yes, it supports programmable LEDs for link, 10/100 Mbps mode, activity, and collision detect.
- What are the package options for the DP83848-EP?
The DP83848-EP is available in 48-pin PQFP (PHP or PTB) packages.
- Is the DP83848-EP compliant with IEEE standards?
Yes, it is compliant with IEEE 802.3u and IEEE 1149.1 JTAG standards.
- What is the maximum cable length supported by the DP83848-EP?
The DP83848-EP supports error-free operation up to 150 m.
- Does the DP83848-EP have built-in self-test capabilities?
Yes, it includes 10/100 Mbps packet BIST (built-in self-test).
- What are the primary applications of the DP83848-EP?
The primary applications include avionics, defense, industrial controls, and general embedded systems.
- Does the DP83848-EP have enhanced ESD protection?
Yes, it includes enhanced ESD protection.
