Overview
The DP83848Q-Q1, produced by Texas Instruments, is a highly reliable and feature-rich 10/100-Mbps Ethernet PHY transceiver designed to meet the challenges of harsh environments. It operates over an extended temperature range of –40°C to 105°C, making it ideal for applications such as automotive, transportation, wireless remote base stations, and industrial control systems. This device is part of the PHYTER™ family, known for its high performance and flexibility, and is built on decades of Ethernet expertise.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | WQFN (40 pins) | |
| Operating Temperature Range | –40 to 105 | °C |
| Supply Voltage (VCC) | 3.3 ± 0.3 | V |
| Power Dissipation (PD) | < 270 | mW |
| Clock Frequency | 25 MHz (MII), 50 MHz (RMII) | |
| Interface | MII, RMII Rev. 1.2, MDC and MDIO | |
| ESD Protection | ±4000 V (HBM) | |
| Thermal Resistance (RθJA) | 34.4 | °C/W |
Key Features
- AEC-Q100 Grade 2
- Extreme Temperature Range: –40°C to 105°C
- 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 Mb/s
- Energy Detection Mode
- 25-MHz Clock Out
- 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 and Activity
- Single Register Access for Complete PHY Status
- 10/100-Mb/s Packet BIST (Built-in Self Test)
Applications
- Automotive and Transportation
- Wireless Remote Base Stations
- Industrial Control and Factory Automation
- General Embedded Applications
Q & A
- What is the operating temperature range of the DP83848Q-Q1?
The DP83848Q-Q1 operates over an extended temperature range of –40°C to 105°C. - What are the key interfaces supported by the DP83848Q-Q1?
The device supports MII, RMII Rev. 1.2, and MDC/MDIO interfaces. - What is the power consumption of the DP83848Q-Q1?
The typical power consumption is less than 270 mW. - Does the DP83848Q-Q1 support Auto-MDIX?
Yes, it supports Auto-MDIX for 10/100 Mb/s. - What is the clock frequency for the MII and RMII interfaces?
The MII interface uses a 25 MHz clock, while the RMII interface uses a 50 MHz clock. - What level of ESD protection does the DP83848Q-Q1 offer?
The device offers ±4000 V ESD protection (HBM). - What is the maximum distance for error-free operation?
The device supports error-free operation up to 150 meters. - Does the DP83848Q-Q1 have built-in self-test capabilities?
Yes, it includes 10/100-Mb/s Packet BIST (Built-in Self Test). - What is the package type and pin count of the DP83848Q-Q1?
The device is packaged in a 40-pin WQFN package. - Is the DP83848Q-Q1 suitable for harsh environments?
Yes, it is designed to operate in harsh environments such as automotive, transportation, and industrial control systems.
