• ADAS3022 recommended ADC driver, external reference and reference buffer options

    Q 

    What are the recommended ADC driver, external reference and reference buffer
    options?

     

    A 

    The ADAS3022 datasheet recommends the ADA4841 and AD8031 as ADC driver (to
    drive auxiliary input pair - AUX±) and reference buffer, respectively. Other …

  • ADAS3023: Recommended ADC driver, external reference and reference buffer options

    Q 

    What are the recommended ADC driver, external reference and reference buffer
    options?

     

    A 

    The ADAS3023 datasheet recommends the ADA4841 and AD8031 as ADC driver (to
    drive auxiliary input pair - AUX±) and reference buffer, respectively. Other

    …

  • ADAS3022 Recommended Circuit Help

    I see in the Recommended circuit schematic for the ADAS3022 ADC that the ADR434 is to be used for providing the 4.096 V reference voltage. When I considered the ADR434 datasheet, I see that it is meant to operate at a voltage from 6V-18V. The Recommended…

    • ADAS3022RecommendedCircuit.png
    • View

  • RE: AD7767:  How is the maximun input current on the VREF  Pin?

    Hi Jonathan,

    We have two AD7767 in our application and  want to use one reference only.

    Figure 46 in the Datasheet Rev.0 is differ to Datasheet Rev.C.

    Can the reference ADR434 drive 100μF ?

    Should a separate reference be used for each AD7767 or is…

  • TAGS LISTS: Voltage References

    LT1460
    LTC1258
    LT1021
    LT1027
    LTC1798
    RH1021-10
    RH1021-5
    RH1021-7
    LT6660
    LH0070
    LTC6655
    AD2700
    AD2702
    AD584S
    REF01S
    REF05S
    REF10S
    REF43S
    REF02S
    AD1582
    AD1583
    AD1584
    AD1585
    LT1019
    LT1236
    LTC6652
    REF02…

  • RE: ADR444 reference design for noise reduction?

    FormerMember
    FormerMember

    Zuzuna,

      I would use the ADR434.  It's my favorite reference because it brings out an internal node, COMP,

    allowing you to over compensate the loop and avoid noise peaking.  See the "high frequency noise"

    write up in the apps section of…

  • RE: ADR444 Incorrect Output Voltage

    Kris,

    This seems to have solved the problem!  I have been doing this on a PCB but luckily the AD8031 footprint allowed a 0R bridge directly to the ADAS3023.  Before making the bridge, I was getting 4.096V from the ADR444, and after the connection, I was…

  • RE: Queries on Vref & CLK for AD7626

    Hi Rejesh,

    On page 12 of the AD7626( Fig 17,19 and 21), shows the performance(THD,SNR,SINAD) of the AD7626 when using external and internal reference.

    While one of the advantage of using internal reference is that there is less use of external components…

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