Overview
The DP83848YB/NOPB is a highly reliable and feature-rich Ethernet PHY transceiver designed by Texas Instruments. This device is part of the PHYTER™ family and is tailored to meet the increasing demand for Ethernet connectivity in harsh environments. It operates over multiple temperature ranges, from commercial to extreme temperatures, making it suitable for applications such as wireless remote base stations, automotive/transportation, and industrial control systems. The DP83848YB/NOPB offers enhanced ESD protection and flexibility in interface selection, including MII and RMII, all within a 48-pin HLQFP (PTB) package.
Key Specifications
| Specification | Details |
|---|---|
| Package | HLQFP (PTB) with 48 pins |
| Operating Temperature Range | -40°C to 125°C |
| Power Consumption | < 270 mW Typical |
| MAC Interface | 3.3-V |
| CMOS Technology | Low-Power 3.3-V, 0.18-µm |
| Clock Output | 25-MHz |
| Interfaces | MII, RMII Rev. 1.2, SNI (Configurable) |
| Compliance | IEEE 802.3 MII, IEEE 802.3 Auto-Negotiation and Parallel Detection |
| JTAG Support | IEEE 1149.1 JTAG |
| Error-Free Operation | Up to 150 meters |
Key Features
- Multiple Temperature Range from -40°C to 105°C
- Low-Power 3.3-V, 0.18-µm CMOS Technology
- Low-Power Consumption < 270 mW Typical
- Auto-MDIX for 10/100 Mb/s
- Energy Detection Mode
- 25-MHz Clock Output
- SNI Interface (Configurable)
- RMII Rev. 1.2 Interface (Configurable)
- MII Serial Management Interface (MDC and MDIO)
- IEEE 802.3 ENDEC, 10BASE-T Transceivers and Filters
- IEEE 802.3 PCS, 100BASE-TX Transceivers and Filters
- Integrated ANSI X3.263 Compliant TP-PMD Physical Sub-Layer with Adaptive Equalization and Baseline Wander Compensation
- Programmable LED Support for Link, 10/100 Mb/s Mode, Activity, Duplex and Collision Detect
- Single Register Access for Complete PHY Status
- 10/100 Mb/s Packet BIST (Built in Self Test)
Applications
- Automotive/Transportation
- Industrial Controls and Factory Automation
- General Embedded Applications
- Wireless Remote Base Stations
The DP83848YB/NOPB is ideally suited for harsh environments due to its extended temperature performance and robust feature set.
Q & A
- What is the operating temperature range of the DP83848YB/NOPB?
The operating temperature range is from -40°C to 125°C.
- What types of interfaces does the DP83848YB/NOPB support?
The device supports MII, RMII Rev. 1.2, and SNI (Configurable) interfaces.
- What is the typical power consumption of the DP83848YB/NOPB?
The typical power consumption is less than 270 mW.
- Does the DP83848YB/NOPB support JTAG?
Yes, it supports IEEE 1149.1 JTAG.
- What is the maximum error-free operation distance for the DP83848YB/NOPB?
The device supports error-free operation up to 150 meters.
- What are some of the key applications for the DP83848YB/NOPB?
Key applications include automotive/transportation, industrial controls and factory automation, general embedded applications, and wireless remote base stations.
- What type of CMOS technology is used in the DP83848YB/NOPB?
The device uses low-power 3.3-V, 0.18-µm CMOS technology.
- Does the DP83848YB/NOPB support Auto-MDIX?
Yes, it supports Auto-MDIX for 10/100 Mb/s.
- What is the purpose of the 25-MHz clock output in the DP83848YB/NOPB?
The 25-MHz clock output is provided to the system in MII mode.
- Can the LEDs be programmed for different indications on the DP83848YB/NOPB?
Yes, the LEDs can be programmed to indicate link, 10/100 Mb/s mode, activity, duplex, and collision detect.
- Does the DP83848YB/NOPB have built-in self-test capabilities?
Yes, it includes 10/100 Mb/s Packet BIST (Built in Self Test).
