SNLA456 April   2024 DP83822H , DP83822HF , DP83822I , DP83822IF , DP83826E , DP83826I , DP83848C , DP83848H , DP83848I , DP83848J , DP83848K , DP83848M , DP83848T , DP83848VYB , DP83848YB

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Additional Benefits of DP83826
  6. 3Hardware Differences
    1. 3.1 Power Supply and Special Connection Requirements
    2. 3.2 Media Dependent Interface Requirements
    3. 3.3 Hardware Strapping
  7. 4Summary
  8. 5References

2 Additional Benefits of DP83826

Table 2-1 compares DP83848 against DP83826, DP83826 to provide additional benefits to the system:

Table 2-1 Comparing DP83848 against DP83826, DP83826
DP83826 BenefitsDP83848DP83826
Lower power consumption264-267mW221.1mW under similar conditions, but even more savings by using 1.8V VDDIO
Lower latency

Transmit Latency: 60ns

Receive Latency: 240ns

Transmit Latency: 40ns

Receive Latency: 170ns

Additional RMII ConfigurationMII, RMII Slave, SNIMII, RMII Master, RMII Slave
Smaller BOM requirements17-19, with tantalum capacitor on PFB network9, with all ceramic capacitors
Smaller footprint

48-pin LQFP (7x7 mm)

40-pin WQFN (6x6 mm).

32-pin QFN (5x5 mm)
More LED functionality2-3Up to 4
Feature-richerBIST

DP83848 features plus:

Fast Link Drop for sensitive link, beneficial in real-time applications

Wake-on-LAN, Energy Efficient Ethernet for various system low power modes

Note: Power consumption and latency data based upon specific configuration, operating temperature, and data traffic