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  • AD7768/AD7768-4 FAQ - Clock Selection

    elizabeth.uva
    elizabeth.uva

    The AD7768/AD7768-4 MCLK can be applied by using one of the three different options that are available to the user. The purpose of this document is to further explain these three options and how they are configured. The three options are: external CMOS…

    • over 2 years ago
    • Precision ADCs
    • Documents
  • RE: AD7768 input impedance

    Wa$iM
    Wa$iM

    Hi Manan

    you would need a driver to connect the electrodes to AD7768 and the high impedance electrodes cannot be wired directly in to AD7768

    https://www.digikey.in/en/articles/design-a-high-resolution-ecg-with-a-fully-differential-amplifier-and-high-resolution…

    • 1 month ago
    • Precision ADCs
    • Q&A
  • Interfacing the AD7768/AD7768-4 to a microcontroller

    elizabeth.uva
    elizabeth.uva

    The AD7768/AD7768-4 outputs data as a master, meaning that the device continuously streams data and it is the user's task to read the data as it is output. Therefore the microcontroller that interfaces to the data output lines must be configured as…

    • over 2 years ago
    • Precision ADCs
    • Documents
  • RE: EVAL-AD7768 Connectors

    ADIApproved
    ADIApproved

    Hi,

    There are screw terminal blocks fitted on the boards.

    Regards,

    Niall

    • 3 days ago
    • Precision ADCs
    • Q&A
  • Ask questions about AD7768

    jerrytang
    jerrytang

    Hi,

      As you know, enable the CNV pin on the SAR ADC, it can control when it begin to capture signal accurately. But for AD7768 or other sigma detal ADC, Can it do this? If yes, how to do it?

    Thanks!

    • 14 days ago
    • Precision ADCs
    • Q&A
  • RE: AD7768-1 问题

    StevenX
    StevenX

    1. 用示波器同时抓/DRDY, /CS, SCLK, DOUT的波形看,是否每次读数都在两个/DRDY脉冲之间 ?

    2. 配置完寄存器后,通过/START产生/sync_out脉冲接/sync_in 或直接给/sync_in脉冲。

    /SYNC_IN receives the synchronous signal from SYNC_OUT or from the main controller. SYNC_IN enables synchronization of multiple AD7768-1…

    • 1 month ago
    • 精密转换器专区
    • 问答
  • RE: 2pcs AD7768 Simultaneous Sampling ODR query

    ADIApproved
    ADIApproved

    Hi,

    There are a number of factors to be considered here:

    • There is a formula on page 73 which specifies the maximum DCLK frequency that can be used when daisy chaining. See image below.I would recommend operating the part with IOVDD = 3.3V. Care needs…
    • 3 days ago
    • Precision ADCs
    • Q&A
  • AD7768 FAQ - What front end driver amplifier is suitable to drive the AD7768?

    elizabeth.uva
    elizabeth.uva

    There are many amplifiers suitable to drive the AD7768/AD7768-4. Choosing the most suitable amp can be a difficult task, especially when there are constraints on the system power. In order to achieve the lowest power and highest accuracy in a data acquisition…

    • over 2 years ago
    • Precision ADCs
    • Documents
  • RE: I want to use AD7768 in daisy-chain mode with single serial (DOUT0) stream, e.g. FORMAT=11.  Which pin do I use to receive data from previous AD7768 in chain?  For the AD7768-4 it is clear (pin 21), but the data sheet is not so clear for the 8-ch

    ADIApproved
    ADIApproved

    Recovered the answer below.

    Hi John,

    If you are using a single DOUT then you should also use pin 21 (DOUT6) on the AD7768.

    Regards.

    • 27 days ago
    • Precision ADCs
    • Q&A
  • ad7768 industrial i/o question

    vfloeder
    vfloeder

    I am wondering if anybody already implemented a linux iio driver for the ad7768 that uses serial audio interface (sai) instead of a fpga. 

    To me it looks like - at least for various NXP SoC types - this would be a reasonable approach.

    Does anyone have…

    • 2 days ago
    • Linux Software Drivers
    • Q&A
>
 
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