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questions on CDCLVP1204's single-ended input application

Ted Xu
Expert 5325 points

Other Parts Discussed in Thread: CDCLVP1204

There are some questions on the single-ended input application of CDCLVP1204 needed confirm.

1.       Whether does CDCLVP1204 only support DC couple for input not AC couple?

2.       How to deal the unused input pins? For example, input 1 isn’t input. So inp1 and inn1 should be floated. Is it right?

3.       For single-ended input, is this connecion right?

  • 0
    Mastermind 7395 points

    Hi,

     

    See my answers below

    1. Single ended inputs must be DC coupled.

    2. The datasheet says that unused inputs can be left floating (see pins description, page 5)

    3. For single ended inputs, the negative input must be connected to a bias voltage (Vth). This is shown in the datasheet, figure 16, page 12).

    Hope this helps