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Showing 18 results View by: Thread Post Sort by
  • ADS8557: Schematic review of ADS8557

    Gordon Xu
    Gordon Xu
    TI Thinks Resolved
    Part Number: ADS8557 Hi experts, Could you please help review the schematic of ADS8667? Thanks! BR, Gordon
    • 9 months ago
    • Data converters
    • Data converters forum
  • ADS8557: ADC Noise issue

    Marvin Gasis Arcangel
    Marvin Gasis Arcangel
    TI Thinks Resolved
    Part Number: ADS8557 Hi Team, A customer found a failure where all the readings received from the ADC are excessively noisy when it is expected to be a straight line at 0V. The failure is suspected to have occurred either by a previous power shutdown…
    • 9 months ago
    • Data converters
    • Data converters forum
  • ADS8557: Load Capacitance when bus connected

    Shinichi Inoue
    Shinichi Inoue
    TI Thinks Resolved
    Part Number: ADS8557 Other Parts Discussed in Thread: OMAPL138 , OMAP-L138 Dear Specialists, My customer is considering ADS8557 and has a question. I would be grateful if you could advise. --- I would like to confirm the Input Capacitance and Load Capacitance…
    • 10 months ago
    • Data converters
    • Data converters forum
  • ADS8557: absolute maximum rating

    Victor Levy
    Victor Levy
    TI Thinks Resolved
    Part Number: ADS8557 Hi, A customer I am supporting has an urgent query for ADS8557IPM/R. The absolute maximum rating for this part is -18V (HVSS to GND). Their questions are: In some of the applications the supply can reach to -19V. Does the component…
    • over 1 year ago
    • Data converters
    • Data converters forum
  • ADS8557: First read data is wrong

    Matsukawa Tadahiro
    Matsukawa Tadahiro
    TI Thinks Resolved
    Part Number: ADS8557 After A/D conversion (BUSY = L), I read datas by Parallel Read Access (Figure 3 on SBAS404D –OCTOBER 2006–REVISED FEBRUARY 2016). I turn CONVST_x to L after BUSY=L. CONVST_x is L to next data conversion. CS is activated for…
    • over 1 year ago
    • Data converters
    • Data converters forum
  • Answered
  • ADS8557: Power Supply Sequence

    Kuramochi Tadahiko
    Kuramochi Tadahiko
    Resolved
    Part Number: ADS8557 Hi, It is written that "when HVDD is supplied before AVDD, the internal ESD structure conducts, increasing IHVDD beyond the specified value. " on the datasheet. If the current doesn't flow through internal ESD, should we…
    • Resolved
    • over 2 years ago
    • Data converters
    • Data converters forum
  • Answered
  • ADS8557: Connection between CONVST_A and REF_IO

    Kuramochi Tadahiko
    Kuramochi Tadahiko
    Resolved
    Part Number: ADS8557 Hi, CONVST_A and REF_IO is connected on the function diagram as below; Is this typo? Best Regards, Kuramochi
    • Resolved
    • over 2 years ago
    • Data converters
    • Data converters forum
  • Answered
  • ADS8557: Digital and Analog GND connection under the device when using multiple ADCs

    Oba
    Oba
    Resolved
    Part Number: ADS8557 Hello, My customer is designing their product with multiple ADS8557s. There is a layout recommendation in Figure 47 of The ADS8557 datasheet(SBAS404D). From this recommendation, digital GND and analog DNG and connected at one point…
    • Resolved
    • over 3 years ago
    • Data converters
    • Data converters forum
  • Answered
  • ADS8557: BUSY Signal

    Viktorija Cecil
    Viktorija Cecil
    Resolved
    Part Number: ADS8557 Team, Question from my customer: We have a query on what to do with the “BUSY” signal. Our intention is to start the “ConvStart” for all the A/D devices at the same time (as shown in Figure 38 of the datasheet).…
    • Resolved
    • over 4 years ago
    • Data converters
    • Data converters forum
  • ADS8557: ADS8557 not work

    sean chen97
    sean chen97
    Part Number: ADS8557 Hi, I sent convet signal to ADC but no BUSY reply. Could anyone kindly provide the initial code of mcu? Thanks.
    • over 5 years ago
    • Data converters
    • Data converters forum
>

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