• AD7657-1 DCINA input set-up and hold times & t17 minimum and what is t20?

    I use the AD7657-1 in serial mode.

    (i) Could you  please supply information on the DCINA input set-up and hold

    (ii) and a minimum time for t17 (Dout from  SCLK rising edge)?"
    This information is available for the AD2S8557
    (iii) There…

  • AD7656/AD7657/AD7658: What order is channel data presented in serial mode, single DOUT line

    In the serial data mode for a single data line configuration can you tell me in
    which order channel data is presented on the DOUT line. This information is
    provided in the datasheet only for the parallel interface.


    In the case of using a single…

  • AD7656 and AD7657

    Hi There, 

    How are you? I am working on a design that involves the ADC chip AD7657. But this part is not no longer on stock on neither DK or Mouser, but I found AD7656 available on  LCSC Electronics. Can I use AD7656 as a replacement of AD7657? What is the…

  • RE: [征文]+[转载]ADI-AD7657调试小结

    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
  • AD7657-1: How to improve noise of CH1?


    Our customer has a trouble about AD7657-1. Only CH 1 is noisy as compared to other CHs. Do you have any idea about causes ans/or countermeasures?

    Best regards,


  • Conversion error for AD7657

    Dear Sir/Madam,


    As for your ADC AD7657, why the miss conversion is happen in sometimes(not every time)?

    Do you have the similar case for this miss conversion in the past?


    We are just proceeding to verify for convert error why it is sometimes happen…

  • The error of converting for AD7657

    Dear Sir/Madam,

    I am studying to design with your 12 AD7657s that have same lot number.

    So I met the error problem.

    Why is this trouble happen?

    Please give me your good advice reason why?


    When I input 10V dc here, your AD7657 converted…

  • AD7656与AD7656-1的区别



    A) 如果AD7656和AD7656-1的输入通过100kohm电阻连接到AGND,这两款器件有何区别?

    B) 如果AD7656和AD7656-1的输入直接连接到AGND,这两款器件有何区别?