Details

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BUY DP83905AVQB https://www.utsource.net/itm/p/1505954.html
AT Local Area Network Twisted-Pair Interface Controller

Parameter	Description	Value	Unit
Supply Voltage (VDD)	Operating Supply Voltage Range	1.62 to 3.6	V
Operating Temperature	Ambient Operating Temperature Range	-40 to 125	°C
Interface Standard	Interface Standard Compliance	10/100BASE-TX, 1000BASE-T
Data Rate	Maximum Data Rate	1000	Mbps
Power Consumption	Typical Power Consumption	375	mW
Package Type	Package Type	QFN-40
Pin Count	Number of Pins	40
ESD Protection	Human Body Model (HBM) ESD Protection	±4000	V
Signal Integrity	Differential Output Swing	800 to 1200	mVpp
Jitter	Random Jitter (RJ)	< 0.2 UI
EMI Reduction	Integrated EMI Filter	Yes
Wake-on-LAN	Wake-on-LAN Support	Yes
Low-Power Mode	Low-Power Mode Support	Yes
Auto-Negotiation	Auto-Negotiation Support	Yes

Instructions for Using DP83905AVQB

1. Power Supply:

   • Ensure the supply voltage (VDD) is within the range of 1.62V to 3.6V.
   • Use a stable power source to avoid voltage fluctuations.

2. Temperature Considerations:

   • Operate the device within the ambient temperature range of -40°C to 125°C.
   • Avoid exposing the device to extreme temperatures for extended periods.

3. Interface Configuration:

   • Connect the device to a network using standard 10/100BASE-TX or 1000BASE-T interfaces.
   • Ensure proper termination and cable lengths to maintain signal integrity.

4. Data Rate:

   • The device supports data rates up to 1000 Mbps. Configure the data rate according to the network requirements.

5. Power Management:

   • Utilize the low-power mode to reduce power consumption when the device is not actively transmitting data.
   • Enable Wake-on-LAN if remote wake-up functionality is required.

6. Signal Integrity:

   • Monitor the differential output swing to ensure it remains within the 800 to 1200 mVpp range.
   • Minimize random jitter (RJ) to less than 0.2 UI to maintain reliable data transmission.

7. Electromagnetic Interference (EMI):

   • Use the integrated EMI filter to reduce electromagnetic interference.
   • Follow best practices for PCB layout to minimize EMI.

8. Auto-Negotiation:

   • Enable auto-negotiation to automatically configure the connection speed and duplex settings with the connected device.

9. Installation and Handling:

   • Handle the device with care to avoid damage from electrostatic discharge (ESD).
   • Follow proper soldering techniques and thermal guidelines during installation.

10. Testing and Validation:

    • Perform thorough testing to validate the performance and reliability of the device in the intended application.
    • Use diagnostic tools to monitor and troubleshoot any issues that may arise.

By following these instructions, you can ensure optimal performance and reliability of the DP83905AVQB in your application.

(For reference only)