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  • RE: ADS8661: Unable to confirm if the ADC is properly functioning

    Hi Tom, We've made the suggested changes and tried to write and read the device id register Write Command: D0 02 FF FF Write Waveform: Read Command: C8 02 00 00 Read Waveform: Blue: CS (Note: it is high at either ends when zoomed out) Yellow: SCL…

  • ADS8665: Driver code for ADS8665 and ADS8661

    TI Thinks Resolved
    Part Number: ADS8665 Other Parts Discussed in Thread: ADS8661 Hi, I am currently making a SPI driver code for ADS8665. If my driver code works well with ADS8665, may i check with you if this driver code will work for ADS8661 also? Since ADS8665 has a longer…

  • ADS8661: Discrepancy between the theoretical value and the measured value.

    TI Thinks Resolved
    Part Number: ADS8661 Other Parts Discussed in Thread: ADS8665 Hi, In "Device Transfer Function", the FSR/2 code is 0x800. From this table, the expected value code at 5.12V is 0x800. Also, in Figure 6-19, the output code for input = 5.12 V is…
    • Answered

  • ADS8661: input bandwidth

    Resolved
    Part Number: ADS8661 Hi Team, May I ask a question about ADS8661, in the datasheet, sampling frequency is 1.25 MSPS, but input bandwidth is only 15k. Previously I used another ADC IC which sampling frequency is 500ksps and –3dB Input Linear Bandwidth is…
    • Resolved

  • ADS8661: How to read digital voltage by using ADS8661 (Raspberry Pi platform)

    Part Number: ADS8661 Other Parts Discussed in Thread: ADS8861 , Hi Team, I want to check the procedure of reading voltage by using ADS8861. Would you help check below procedure for us? Thank you. Platfrom : Raspberry Pi, SPI speed, = 15.25878906kHz SPI…

  • ADS8661: Not able to read 1msps?

    Part Number: ADS8661 Hello, I am using stm32h7, and I am able to read 12 bit ADC values from ADS8661 IC through HAL_SPI_Receive() as shown in the code (per loop it is taking 13us), but when plotting and calculated the sampling rate, I am only able to…
    • Answered

  • ADS8661: Require IBIS module of the ADS8661

    Resolved
    Part Number: ADS8661 Other Parts Discussed in Thread: ADS8688 Do u have the IBIS module of the ADS8661 or some similar ICs for us to use? We want to have the IBIS module of ADS8661(8 daisy-chain) to go through the SI simulation。 Thank U.
    • Resolved

  • ADS8661: ads8661

    TI Thinks Resolved
    Part Number: ADS8661 hi sir i have stucked while communicating with ads8661 . so could you provide me a sample code please

  • ADS8661: driver file w.r.t stm32

    TI Thinks Resolved
    Part Number: ADS8661 Hello, I've been looking up at driver files for this IC [ADS8661] couldn't find it online. I am trying to develop it with STM32H7 . If someone has created it please share it . Thanks and Regards, Vibeesh

  • RE: ADC121S021: ADC121S021 with Op-Amp

    Hi Fahad, Yes, that circuit serves as good guidance to scaling down your input signal and shifting it up to a unipolar input range. Alternatively, we offer an ADS8661 which can directly support up to a +/-12.288V input range on a single +5V supply, with…

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