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Showing 57 results View by: Thread Post Sort by
  • ADS8509: ADS8509 2.5 v reference fail over temp range

    TOM HANKE
    TOM HANKE
    Part Number: ADS8509 I have three IC's that the 2.5 V Reference fails at ~ -35 deg C.
    • over 5 years ago
    • Data converters
    • Data converters forum
  • ADS8509: Input impedance is different.

    Motoyasu Hattori
    Motoyasu Hattori
    TI Thinks Resolved
    Part Number: ADS8509 Other Parts Discussed in Thread: ADS7809 Hi, My customer claims input impedance on Table2 is different from Equivalent circuit on ADS8509. According to the datasheet, 10kohm is connected with REF Buffer as follows: However, my…
    • over 5 years ago
    • Data converters
    • Data converters forum
  • ADS8509: sample error

    user3947661
    user3947661
    Part Number: ADS8509 when I use AD8809 sample voltage around 0.1V to -0.1V,it will give me wong data,such as 5V.But when it samples other voltage,it can give me right data.The schematic is as same as datasheet ,input range is ±10V with trim。
    • over 5 years ago
    • Data converters
    • Data converters forum
  • Answered
  • ADS8509: When the power is turned on, the RC pin voltage rises slowly, so it enters a mode in which BUSY continues to be output.

    kimikazu nishizawa
    kimikazu nishizawa
    Resolved
    Part Number: ADS8509 Other Parts Discussed in Thread: ISO7240M When the power is turned on, there is a period when the RC pin is LOW for a while. After power-up, the BUSY signal remains LOW and does not return HIGH. How can I get the ADC to return…
    • Resolved
    • over 3 years ago
    • Data converters
    • Data converters forum
  • ADS8509: min time for busy signal

    ttd
    ttd
    TI Thinks Resolved
    Part Number: ADS8509 Dear Technical Support Team, My system monitors BUSY signal. I have a question about BUSY. ① Is BUSY signal output any case/ anytime while conversion(tconv) ? If BUSY is not output case, could you share the situation? ② What…
    • over 6 years ago
    • Data converters
    • Data converters forum
  • Answered
  • ADS8509: About wait time of PWRDL

    Tao_2199
    Tao_2199
    Resolved
    Part Number: ADS8509 Hello, Regarding to wait time of PWRD on ADS8509, my customer is asking a question.. (Question) When device is changed to normal power from low power by PWRD pin, how long should it wait for next conversion start? Regards…
    • Resolved
    • over 6 years ago
    • Data converters
    • Data converters forum
  • ADS8509: Data Read

    Richard Gavarrian
    Richard Gavarrian
    TI Thinks Resolved
    Part Number: ADS8509 I am using the discontinuous EXT clock in this application. The data sheet indicates that the data output is valid on either edge of the internal clock if the internal clock is used, but does not indicate which edge should be used…
    • over 7 years ago
    • Data converters
    • Data converters forum
  • Answered
  • ADS8509: Noise on the ADC input when the converter starts working

    Jane Fang3
    Jane Fang3
    Resolved
    Part Number: ADS8509 Other Parts Discussed in Thread: ADS8681 , ADS8685 , ADS8689 Hi TI technical experts, i met a problem when using ADS8905, it looks like crosstalk on the ADC input when the converter starting conversion or transfer data. To debug…
    • Resolved
    • over 6 years ago
    • Data converters
    • Data converters forum
  • ADS8509: ADC that can send its data as spi Master.

    Marco Manzel
    Marco Manzel
    TI Thinks Resolved
    Part Number: ADS8509 Other Parts Discussed in Thread: ADS8681 , ADS8695 , ADS8685 , ADS8691 , ADS8900B , ADS8902B Dear Specialists, we are using the ADS8509 with its internal clock, sendig its data via spi as master to the MPU (that is slave), initiated…
    • over 7 years ago
    • Data converters
    • Data converters forum
  • Answered
  • ADS8509: DATA pin state

    Oba
    Oba
    Resolved
    Part Number: ADS8509 Hello Is "DATA" pin of ADS8509 always output state? Is there any possibility that this pin is in Hi-Z state? Regards, Oba
    • Resolved
    • over 8 years ago
    • Data converters
    • Data converters forum
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