DP83849IVS/NOPB

Product Overview

• Category: Integrated Circuit
• Use: Ethernet Physical Layer Transceiver
• Characteristics: High-performance, low-power, small form factor
• Package: 48-LQFP (7x7)
• Essence: Provides physical layer interface to transmit and receive Ethernet packets
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3.3V
• Operating Temperature: -40°C to +85°C
• Data Rate: 10/100 Mbps
• Interface: MII, RMII, RGMII
• Power Consumption: 150mW (typical)

Detailed Pin Configuration

The DP83849IVS/NOPB has a total of 48 pins. Here is a brief overview of the pin configuration:

1. VDDA: Analog power supply
2. VSSA: Analog ground
3. VDDIO: I/O power supply
4. VSSIO: I/O ground
5. REFCLKO: Reference clock output
6. TXEN: Transmit enable
7. TXD[3:0]: Transmit data
8. TX_CLK: Transmit clock
9. CRS_DV: Carrier sense/data valid
10. RXD[3:0]: Receive data
11. RX_ER: Receive error
12. RX_CLK: Receive clock
13. MDIO: Management data input/output
14. MDC: Management data clock
15. RESET: Reset pin
16. INT_N: Interrupt output

(Note: This is just a partial list. The complete pin configuration can be found in the product datasheet.)

Functional Features

• Supports auto-negotiation and manual configuration modes
• Implements advanced link detection and correction mechanisms
• Provides built-in loopback testing capability
• Supports energy-efficient Ethernet (EEE) mode
• Offers comprehensive diagnostic features for troubleshooting

Advantages and Disadvantages

Advantages: - High-performance and reliable Ethernet communication - Low power consumption - Small form factor for space-constrained applications - Supports various interface options for flexibility

Disadvantages: - Limited to 10/100 Mbps data rate, not suitable for higher-speed networks - Requires external magnetics for proper operation

Working Principles

The DP83849IVS/NOPB is an Ethernet Physical Layer Transceiver that operates based on the IEEE 802.3 standard. It converts digital data from the Media Access Control (MAC) layer into analog signals suitable for transmission over Ethernet cables. On the receiving end, it performs the reverse process, converting analog signals back into digital data.

The transceiver incorporates advanced signal processing techniques to ensure reliable data transmission and reception. It also supports auto-negotiation, allowing it to automatically determine the best communication parameters with the connected device.

Detailed Application Field Plans

The DP83849IVS/NOPB is widely used in various networking applications, including:

1. Industrial automation systems
2. Internet of Things (IoT) devices
3. Embedded systems
4. Network switches and routers
5. IP cameras and surveillance systems
6. Automotive electronics

Its small form factor and low power consumption make it suitable for space-constrained and energy-efficient applications.

Detailed and Complete Alternative Models

1. DP83848IVV/NOPB: Similar to DP83849IVS/NOPB but with different pin configuration
2. DP83822I/NOPB: Gigabit Ethernet Physical Layer Transceiver
3. DP83867IRPAPR: Integrated 10/100/1000 Ethernet PHY
4. DP83869HM/NOPB: Automotive Ethernet PHY with advanced diagnostics

(Note: This is just a partial list. There are several alternative models available from the same manufacturer and other vendors.)

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