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PGA970: Termination Inquiry

Renan Santos Adriano
Mastermind 22360 points
Part Number: PGA970

Hello Team,

We would like to confirm if, in case of unused Analog output DAC, pins: out, comp and fbn could left unconnected or must be terminated correctly? In case of pins terminations could you please suggest the right terminations?

Regards,

Renan

  • +1
    TI__Guru 63945 points

    Hello,

    Please connect the FBN pin to the OUT pin directly and then you can leave them floating without connecting them to anything else if you don't intend to use them.  If there are requirements against floating pins, then a 47kΩ load to GND and/or a 22-33pF capacitor to GND will be fine.