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  • ADS127L11: SCH review

    TI Thinks Resolved
    Part Number: ADS127L11 Other Parts Discussed in Thread: REF70 , THP210 , , OPA192 Hi team, Below is the schematics I worked with customer. Could you kindly review it? Thanks. 1 ） AVDD1=AVDD2=+2.5V ； AVSS=-2.5V ； IOVDD=+3.3V ； VREF=+2.048V ； 2）analog input range …
    • Answered

  • ADS127L11: Load EEPROM GUI Error

    Resolved
    Part Number: ADS127L11 Hello, I receive this error (In EEPROM Load Write, ARM Error : PHI Boot PROM or EVM EEPROM not responding (0xD002500) after I update the register values and try load the EEPROM; Do you know how I can fix this? Thank you!
    • Resolved

  • ADS127L11: is able to interface to a MUX?

    TI Thinks Resolved
    Part Number: ADS127L11 Other Parts Discussed in Thread: ADS1256 , Hi expert, Can I add a MUX to ADS127L11 to make it multi-channel? I think it might introduce big error to over-sampleing sigma-delta ADC during switching the channels, but I saw ADS1256…
    • Answered

  • ADS127L11: wideband filter frequency response

    Resolved
    Part Number: ADS127L11 Hello, Our customer wants to know frequency response at fdata / 2.4 = 0.41667 ・ fdata point. We can see the specification of -0.1dB frequency 0.4125 ・ fdata Hz and -3dB frequency 0.4374 ・ fdata Hz. But we need more precise data to specify…
    • Resolved
    • Answered

  • ADS127L11: Calculating maximum time to send conversion data

    Resolved
    Part Number: ADS127L11 Hi, In start/stop control mode, is there a formula to calculate the time between ~DRDY going low (indicating data ready) to the shift register being filled with the next bin of samples? If not, can you please tell me how I can roughly…
    • Resolved
    • Answered

  • ADS127L11: Negative voltage input without negative reference condition

    Resolved
    Part Number: ADS127L11 Hello, I would like you to confirm about below. * When user want to input -2.048V to 2.048V to ADC as single end signal without negative reference source , Is following configuration available ? AVDD1 = AVDD2 = 2.5V AVSS = -2.5V DGND…
    • Resolved

  • ADS127L11: DNL

    TI Thinks Resolved
    Part Number: ADS127L11 Hi team, May I ask why the DNL spec is not apply to the Delta sigma ADC? My customer would like to know whether there are other ways to estimate the value of the ADS127L11's DNL. Could you please help give some comments? Thanks…
    • Answered

  • ADS127L11: Can someone please clarify data sheet

    Resolved
    Part Number: ADS127L11 Hi can you please someone please clarify the data sheet. On page 1 it says 1.067MSPS sample rate but on page 7 SNR is specified with an OSR of 64. Does this mean that to get the SNR specified with an OSR the throughput is only…
    • Resolved

  • ADS127L11: Control custom ADS127L11 board using PHI Controller

    TI Thinks Resolved
    Part Number: ADS127L11 Hello, I am looking at using the PHI Controller and GUI to control a custom board containing the ADS127L11. Is it compatible with 4-wire SPI mode or does it need to be connected to the RESET, START and DRDY pins? Regards, Joe
    • Answered

  • ADS127L11: Threshold voltage of Digital In

    Resolved
    Part Number: ADS127L11 Hi team, How much is the digital input threshold voltage? I can only see the data below in the datasheet. What will the logic become when input 0.3*IOVDD~0.7*IOVDD? Best regards, Yuto
    • Resolved

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