Overview
The DP83849IFVSX/NOPB, produced by Texas Instruments, is a highly reliable and feature-rich dual-port 10/100 Mbps Ethernet Physical Layer (PHY) transceiver. This device is designed for industrial applications and supports both copper and fiber media. It features two fully independent 10/100 ports, enabling multi-port applications, redundancy, and system management. The DP83849IF also includes Texas Instruments' unique port switching capability, allowing for integrated range extension, media conversion, hardware-based failover, and port monitoring. This transceiver is optimized for use in various industrial environments, including factory automation, medical instrumentation, and wireless remote base stations.
Key Specifications
| Specification | Description |
|---|---|
| Package Type | TQFP-80 (12mm x 12mm) |
| Operating Temperature | Industrial temperature range |
| Supply Voltage | 3.3V |
| Interface | MII, RMII, SNI |
| Media Support | Copper (10BASE-T, 100BASE-TX) and Fiber (100BASE-FX) |
| Auto-Negotiation | IEEE 802.3u Auto-Negotiation and Parallel Detection |
| Power Consumption | <600mW typical |
| Clock Source | 25 MHz crystal/oscillator input |
| ESD Protection | Limited built-in ESD protection |
| Diagnostic Features | TDR based cable diagnostic, cable length and baseline wander compensation, dynamic link quality monitoring |
Key Features
- Two fully independent 10/100 ports for multi-port applications
- Flexible port switching capability for range extension, media conversion, hardware-based failover, and port monitoring
- Support for MII, RMII, and SNI interfaces
- Auto-MDIX for 10/100 Mbps
- Integrated ANSI X3.263 compliant TP-PMD physical sub-layer with adaptive equalization
- Dynamic integrity utility and dynamic link quality monitoring
- IEEE 1149.1 JTAG and MII serial management interface (MDC and MDIO)
- Programmable LED support for link, 10/100 Mbps mode, activity, duplex, and collision detection
- 10/100 Mbps packet BIST (Built-in Self Test)
Applications
- Medical Instrumentation
- Factory Automation
- Motor & Motion Control
- Wireless Remote Base Station
- General Embedded Applications
Q & A
- What is the DP83849IFVSX/NOPB used for? The DP83849IFVSX/NOPB is a dual-port 10/100 Mbps Ethernet PHY transceiver used in various industrial applications for Ethernet connectivity.
- What interfaces does the DP83849IF support? The DP83849IF supports MII, RMII, and SNI interfaces.
- Does the DP83849IF support fiber media? Yes, it supports 100BASE-FX fiber media in addition to copper media.
- What is the operating temperature range of the DP83849IF? The DP83849IF operates in the industrial temperature range.
- What diagnostic features are included in the DP83849IF? It includes TDR based cable diagnostics, cable length and baseline wander compensation, and dynamic link quality monitoring.
- Does the DP83849IF have built-in ESD protection? The DP83849IF has limited built-in ESD protection.
- What is the power consumption of the DP83849IF? The typical power consumption is less than 600mW.
- What clock source is required for the DP83849IF? A 25 MHz crystal/oscillator input is required.
- Does the DP83849IF support auto-negotiation? Yes, it supports IEEE 802.3u Auto-Negotiation and Parallel Detection.
- What package type is the DP83849IF available in? It is available in a TQFP-80 (12mm x 12mm) package.
