DP83843BVJE/NOPB

Product Overview

• Category: Integrated Circuit
• Use: Ethernet Physical Layer Transceiver
• Characteristics: High-performance, low-power, small form factor
• Package: 48-pin LQFP (Quad Flat Package)
• Essence: Provides physical layer interface to transmit and receive Ethernet data packets
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Operating Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: 10/100 Mbps
• Interface: MII (Media Independent Interface)
• Power Consumption: Low power consumption in all operating modes
• EMI: Compliant with FCC Class B and EN55022 Class B standards

Pin Configuration

The DP83843BVJE/NOPB has a total of 48 pins. The pin configuration is as follows:

1. VDDA
2. VSSA
3. VDDIO
4. VSSIO
5. TXEN
6. TXD[3:0]
7. VDDXTAL
8. VSSXTAL
9. CRS
10. RXD[3:0]
11. RXER
12. COL
13. RXDV
14. RXCLK
15. RXD[7:4]
16. RXD[5:4]
17. VDDPLL
18. VSSPLL
19. REFCLK
20. VDDREF
21. VSSREF
22. CLKOUT
23. VDDRX
24. VSSRX
25. VDDTX
26. VSSTX
27. TXCLK
28. TXD[7:4]
29. TXD[5:4]
30. VDDIO
31. VSSIO
32. VDDA
33. VSSA
34. VDDIO
35. VSSIO
36. VDDIO
37. VSSIO
38. VDDIO
39. VSSIO
40. VDDIO
41. VSSIO
42. VDDIO
43. VSSIO
44. VDDIO
45. VSSIO
46. VDDIO
47. VSSIO
48. VDDIO

Functional Features

• Supports 10BASE-T and 100BASE-TX Ethernet standards
• Auto-negotiation for speed and duplex mode detection
• Integrated auto-MDIX (Medium Dependent Interface Crossover) feature
• Supports energy-efficient Ethernet (EEE) standard
• Built-in loopback modes for diagnostics and testing
• Provides LED indicators for link, activity, and speed status

Advantages and Disadvantages

Advantages: - High-performance and reliable Ethernet connectivity - Low power consumption for energy efficiency - Small form factor for space-constrained applications - Compliance with EMI standards ensures electromagnetic compatibility

Disadvantages: - Limited to 10/100 Mbps data rates, not suitable for higher-speed networks - Lacks advanced features found in more expensive transceivers

Working Principles

The DP83843BVJE/NOPB is an Ethernet Physical Layer Transceiver that operates based on the IEEE 802.3 Ethernet standard. It provides the interface between the Ethernet MAC (Media Access Control) layer and the physical medium, allowing the transmission and reception of Ethernet data packets.

The transceiver supports both 10BASE-T and 100BASE-TX Ethernet standards, enabling compatibility with a wide range of network devices. It utilizes auto-negotiation to automatically detect the speed and duplex mode of the connected device, ensuring seamless communication.

The integrated auto-MDIX feature eliminates the need for crossover cables by automatically detecting and adjusting the transmit and receive pairs. This simplifies network setup and reduces cable complexity.

Detailed Application Field Plans

The DP83843BVJE/NOPB is widely used in various applications that require Ethernet connectivity, including:

1. Industrial Automation: Enables communication between industrial devices and control systems.
2. Home Networking: Provides Ethernet connectivity for home routers, switches, and smart devices.
3. Automotive Electronics: Facilitates data exchange in automotive networks for infotainment and diagnostics.
4. Internet of Things (IoT): Connects IoT devices to the internet for data transfer and remote control.
5. Embedded Systems: Integrates Ethernet capability into embedded systems for networking purposes.

Alternative Models

• DP83848IVVX/NOPB: Similar functionality with enhanced ESD protection
• DP83849IFVS/NOPB: Gigabit Ethernet transceiver with advanced features
• DP83869HM/NOPB: Integrated PHY with extended temperature range

These alternative