• AD8655 parameters modeled?

    Hi, 

     

    I'm using ADIsimPE to model a circuit built around the AD8655 op-amp. Particularly I want to know if the model takes into account the input capacitance and input resistance of the device.

     

    From the application note, I understood that the models…

  • AD8655 gain

    I am working with the AD8655. For now I just want to observe its gain characteristics, but am having some trouble. I made a very simple non-inverting circuit and powered the op amp with +/-5V. However, the output does not match the frequency of the input…

  • AD8655: Current noise density

    I couldn't find the information about the input current noise characteristics
    (?fA/?Hz ) and input impedance characteristics of AD8655/8656 on the website
    and also on the data sheet. How can I achieve this information?

     

    We do not…
  • ADIsimPE: AD8655 parameters modeled?

    Hi, 

    I'm using ADIsimPE to model a circuit built around the AD8655 op-amp. Particularly I want to know if the model takes into account the input capacitance and input resistance of the device.

    From the application note, I understood that the models…

  • AD8655 current noise

    Searching information on AD8655 current noise on this website (nothing is found in the datasheet) I find this kind of answers:

    "On CMOS op amps, the current noise is very, very low. It's usually negligible.  That's why you don't see it on the…

  • AD8655 current noise

    The selection guide lists the AD8655 with a current noise spec of 1 fA per rt Hz but this specification is not found on the parts datasheet.

    The datasheet does not list a current noise spec for this part. Can you clear this up for me? I really want to…

  • AD8655 TIA unexpected noise

    for my thesis work I have built a TIA based on the AD8655. It is a quite standard TIA, with a transimpedance gain of 1M and a bandwidth of 100kHz. For this application the noise of the complete circuit is critical, so I designed and simulated this…
  • Noise on AD8655 Output

    I am using AD8655 as LNA for piezo transducer signal conditioning. I am getting a strange output frequency spectrum, lots of spikes every 2200Hz, roughly.

    The low-pass and high-pass roll-off is accomplished further down the signal chain. The above spectrum…

  • AD8655带宽问题

    以下是我设计的一个单电源同相放大器,放大倍数为:25倍,但是带宽只有 8KHZ, 跟数据表给出的参考 带宽不符合,请问大神有什么解决的办法。

  • AD8655 cannot simulate current noise

    Hi ,

    I could simulate the Input Voltage Noise Density but could not simulate the current Noise Density with AD8655 on Ni Simulator .

    could not find information on Data sheet with regards current noise of this OPAMP

    Thanking you

    With best regards…