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CC2640R2F-Q1: CC2640R2F-Q1 differential application circuit

paddu2017
Expert 2885 points

Part Number: CC2640R2F-Q1
Other Parts Discussed in Thread: CC2640R2F

Hi,

There is some difference in the CC2640R2F-Q1 differential application circuit
and the CC2640R2F differential application circuit in the datasheets.

The Capacitors and Inductor values connected to RF-P & RF-N are exactly
opposite for CC2640R2F-Q1 and CC2640R2F.Which one is correct?


CC2640R2F-Q1


CC2640R2F


Best Regards
Paddu

  • 0
    Guru 735695 points
    CC2640R2F-Q1 is Automotive Qualified SimpleLink™ Bluetooth® low energy Wireless MCU and CC2640R2F is only SimpleLink™ Bluetooth® low energy Wireless MCU. They have different reference design on this differential operation. If you use CC2640R2F-Q1, you should follow reference design of CC2640R2F-Q1. If you use CC2640R2F , you should follow reference design of CC2640R2F.
  • 0
    TI__Guru** 106705 points
    Hi Paddu,

    The RF pins are interchangeable, so you can go either way.

    Regards,
    Fredrik