Overview
The DP83848Q-Q1, produced by Texas Instruments, is a highly reliable and feature-rich Ethernet Physical Layer Transceiver designed to meet the demands of harsh environments. This device extends the leadership position of the PHYTER™ family with its wide operating temperature range of –40°C to 105°C, making it ideal for applications such as automotive and transportation, wireless remote base stations, and industrial control systems. It adheres to IEEE 802.3u standards and offers enhanced ESD protection and flexible interface options, including MII and RMII, to cater to various MPU selections.
Key Specifications
| Specification | Value |
|---|---|
| Package | WQFN (40 pins) |
| Operating Temperature Range (°C) | –40 to 105 |
| Power Consumption | < 270 mW Typical |
| MAC Interface | 3.3-V |
| Clock Frequency | 25 MHz (MII), 50 MHz (RMII) |
| Interface | MII, RMII Rev. 1.2 (Configurable) |
| Compliance | IEEE 802.3u, ANSI X3.263 |
| Transceiver Type | 10/100 Mb/s Ethernet Physical Layer Transceiver |
| ESD Protection | Enhanced |
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
The DP83848Q-Q1 is designed to operate in harsh environments, making it suitable for a variety of applications that require robust and reliable Ethernet connectivity.
Q & A
- What is the operating temperature range of the DP83848Q-Q1?
The operating temperature range is –40°C to 105°C.
- What are the supported interfaces for the DP83848Q-Q1?
The device supports MII and RMII Rev. 1.2 interfaces.
- What is the typical power consumption of the DP83848Q-Q1?
The typical power consumption is less than 270 mW.
- Does the DP83848Q-Q1 support auto-negotiation?
Yes, it supports IEEE 802.3u auto-negotiation and parallel detection.
- What is the maximum distance for error-free operation of the DP83848Q-Q1?
The device supports error-free operation up to 150 meters.
- What type of ESD protection does the DP83848Q-Q1 offer?
The device offers enhanced ESD protection.
- What is the clock frequency requirement for the MII and RMII interfaces?
The MII interface requires a 25 MHz clock, while the RMII interface requires a 50 MHz clock.
- Is the DP83848Q-Q1 compliant with any specific standards?
Yes, it is compliant with IEEE 802.3u and ANSI X3.263 standards.
- What type of CMOS technology is used in the DP83848Q-Q1?
The device uses low-power 3.3-V, 0.18-µm CMOS technology.
- Does the DP83848Q-Q1 support built-in self-test (BIST)?
Yes, it supports 10/100-Mb/s packet BIST.
