Overview
The DP83848MPTBREP is a highly reliable and feature-rich Ethernet physical layer transceiver produced by Texas Instruments. This device is part of the DP83848-EP family, designed to provide robust Ethernet connectivity in harsh environments. It supports both 10BASE-T and 100BASE-TX Ethernet protocols, ensuring compatibility and interoperability with other standards-based Ethernet solutions. The DP83848MPTBREP is particularly suited for applications requiring high reliability and performance over a wide temperature range.
Key Specifications
| Parameter | Value |
|---|---|
| Package | HLQFP (PTB) with 48 pins |
| Operating Temperature Range | –55°C to 125°C |
| Power Consumption | < 270 mW typical |
| MAC Interface | 3.3-V |
| Clock Output | 25 MHz (MII mode), 50 MHz (RMII mode) |
| Interfaces | MII, RMII rev. 1.2, SNI |
| Compliance | IEEE 802.3u, IEEE 1149.1 JTAG |
| Cable Reach | Error-free operation up to 150 m |
| ESD Protection | Superior 4.0 kV ESD protection (HBM) |
Key Features
- Low-power 3.3-V, 0.18-µm CMOS technology
- Auto-MDIX for 10/100 Mbps
- Energy detection mode
- Configurable MII, RMII, and SNI interfaces
- Integrated ANSI X3.263 compliant TP-PMD physical sublayer with adaptive equalization and baseline wander compensation
- 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
Applications
- Avionics and defense
- Industrial controls and factory automation
- General embedded applications
- Building automation
- Basestations
- Medical applications
Q & A
- What is the operating temperature range of the DP83848MPTBREP? The operating temperature range is –55°C to 125°C.
- What are the supported Ethernet protocols? The device supports both 10BASE-T and 100BASE-TX Ethernet protocols.
- What is the power consumption of the DP83848MPTBREP? The typical power consumption is less than 270 mW.
- Does the DP83848MPTBREP support auto-negotiation? Yes, it supports IEEE 802.3u auto-negotiation and parallel detection.
- What is the maximum cable reach for error-free operation? The device ensures error-free operation up to 150 meters.
- What types of interfaces are supported by the DP83848MPTBREP? It supports MII, RMII rev. 1.2, and SNI interfaces.
- Is the DP83848MPTBREP compliant with any industry standards? Yes, it is compliant with IEEE 802.3u and IEEE 1149.1 JTAG standards.
- What kind of ESD protection does the DP83848MPTBREP offer? It offers superior 4.0 kV ESD protection (HBM).
- Can the DP83848MPTBREP be used in harsh environments? Yes, it is designed for use in harsh environments such as avionics, defense, and industrial control applications.
- Does the DP83848MPTBREP have built-in self-test capabilities? Yes, it includes 10/100 Mbps packet BIST (built-in self-test).
