DP83849IDVS/NOPB datasheet by Texas Instruments

DP83849IDVS/NOPB Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for the DP83849IDVS/NOPB?
  Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow the guidelines in the 'Ethernet PHY Layout Guidelines' application note (SLAA503) for optimal performance.
• How do I configure the DP83849IDVS/NOPB for a specific network speed?
  The DP83849IDVS/NOPB can be configured for specific network speeds using the SPEED_SEL pins. For example, to configure for 100Mbps, tie SPEED_SEL0 to GND and SPEED_SEL1 to VCC. Refer to the datasheet for more information.
• What is the power consumption of the DP83849IDVS/NOPB?
  The power consumption of the DP83849IDVS/NOPB varies depending on the operating mode. In typical 100Mbps operation, the power consumption is around 250mW. Refer to the datasheet for more information on power consumption in different operating modes.
• How do I implement EMI filtering for the DP83849IDVS/NOPB?
  Texas Instruments recommends using a common-mode choke and capacitors to filter out electromagnetic interference (EMI). A recommended EMI filter circuit is provided in the datasheet.
• What is the maximum cable length supported by the DP83849IDVS/NOPB?
  The DP83849IDVS/NOPB supports cable lengths up to 100 meters, as specified in the IEEE 802.3 standard.