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Showing 77 results View by: Thread Post Sort by
    Answered
  • ADS8638: ADS8638 output error

    Saemyi Jeon
    Saemyi Jeon
    Resolved
    Part Number: ADS8638 Other Parts Discussed in Thread: ADS8634 Hi All, My customer is evaluating ADS8638 to sense the temperature from a thermistor(NTC). Looking at the output data, HEX value doesn't match with what Samsung calculated(DEC) based on the…
    • Resolved
    • over 6 years ago
    • Data converters
    • Data converters forum
  • ADS8638: input impedance

    [FAE] Andrew Wang
    [FAE] Andrew Wang
    TI Thinks Resolved
    Part Number: ADS8638 Hi team, What is input impedance of this ADC? Thanks! Andrew
    • over 5 years ago
    • Data converters
    • Data converters forum
  • ADS8638: 91Hz Spurious in ADS8638

    Derek Wang
    Derek Wang
    TI Thinks Resolved
    Part Number: ADS8638 Hi, My customer design ADS8638 as below cirucuit, and the power source is described in below figure. Their application is vibration. The input signal is 3.3V from power supply. Sampling Frequency is 25KHz. And they found that there…
    • over 6 years ago
    • Data converters
    • Data converters forum
  • ADS8638: ADS8638SRGET

    Matei Constantin
    Matei Constantin
    TI Thinks Resolved
    Part Number: ADS8638 Hello All, I need to use the ADC8638 for 8 ch voltage conversion, it has a good sampling rate and a good resolution, but something came in mind. I see in its datasheet that HVDD and HVSS could be up to plus/minus 15 V, but recommended…
    • over 6 years ago
    • Data converters
    • Data converters forum
  • ADS8638EVM-PDK: FPGA source (Verilog) code for ADS8638

    user5023014
    user5023014
    TI Thinks Resolved
    Other Parts Discussed in Thread: ADS8638EVM-PDK , ADS8638 ADS8638EVM-PDK: Can I get a FPGA source (Verilog) code for ADS8638?
    • over 5 years ago
    • Data converters
    • Data converters forum
  • ADS8638: thermal pad and pin #4 not connected and floating

    Jon Bilbao
    Jon Bilbao
    TI Thinks Resolved
    Part Number: ADS8638 Hi, what happens if we left the thermal pad and the pin #4 not connected and floating in the ADS8638? it is recommended in the datasheet to connect them to: pin #4 to ground and thermal pad to the PCB. However, we found out that too…
    • over 5 years ago
    • Data converters
    • Data converters forum
  • ADS8638: getting started with EVM

    ajayt
    ajayt
    TI Thinks Resolved
    Part Number: ADS8638 Thanks for the link to teh schematic, there is another question One question about the ADS8638 EVM please, do we need to power the > HVDD and HVSS pins from somewhere? (i.e. an external PSU) > > It's not completely clear from…
    • over 6 years ago
    • Data converters
    • Data converters forum
  • ADS8638: schematic for Eval board

    ajayt
    ajayt
    TI Thinks Resolved
    Part Number: ADS8638 HI Team, the documentation says there is a schematic, but is does not seems to be there, just the Gerbers- is there another location I can get it from, also can i get the mother board schematic from the PDK evm bundle
    • over 6 years ago
    • Data converters
    • Data converters forum
  • ADS8638: Issue for output register value

    Satoshi
    Satoshi
    TI Thinks Resolved
    Part Number: ADS8638 On the testing ADS8638 by 0V~5V input and 12bit resolution. Expected value is 0V: 0x000 and 5V: 0xFFF, but result was 0V: 0x800 and 5V: 0xBE2. (I think that these value was received on ±10V range condition) Please let me know…
    • over 6 years ago
    • Data converters
    • Data converters forum
  • Answered
  • ADS8638: channel sequencing in manual mode

    Nick Wallis
    Nick Wallis
    Resolved
    Part Number: ADS8638 Hi again, I am using the ADS8638 in "manual" channel sequencing mode, i.e. I send SPI commands to the chip to manually select a particular ADC input channel. From my microcontroller, for testing I have a continuous loop which sends…
    • Resolved
    • over 6 years ago
    • Data converters
    • Data converters forum
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