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  • RE: ADS1298R: ADS1298R VCM

    Hi Jejomar, I worry that measuring all electrodes individually with respect to an externally generated VCM will degrade the system CMR. In post processing, computing the differential lead (i.e. LA - RA) should theoretically cancel VCM from the result…

  • ADS1298R: ADS1298R Channel 1 frequency response at 32 KSPS

    Part Number: ADS1298R Other Parts Discussed in Thread: ADS1298 Tool/software: Hi TI support. We've built a device using the ADS1298R and have been operating it at 32KSPS without issue on the digital side. When performing a characterization of gain…

  • ADS1298R: Question on the Power supply & Oscillator

    TI Thinks Resolved
    Part Number: ADS1298R Other Parts Discussed in Thread: ADS1298 , Tool/software: Dear Sir/Madam, I am planning to introduce the ADS1298RIZXGT chip in my design and provide dual supply for the analog part (AVDD = +2.5 & AVSS = -2.5V) and +1.8V for the digital…

  • [FAQ] ADS1298R: How are the lead-off comparator thresholds set?

    Tool/software: In the ADS129x family, a 4-bit DAC is used to set the lead-off detection threshold for the positive and negative channels inputs. The DAC settings are configured writing to COMP_TH[2:0] in the LOFF control register. The threshold voltages…

  • RE: ADS1298R: Issue with ADS1298R Lead 3 and AVL Signal Discrepancy

    Hello Thuan, I'm not familiar with the simulator you are using, but it looks like you are only measuring Lead I, Lead II, and the chest leads. Are you calculating the augmented leads and Lead III, then comparing them to the simulator screen? This does…
    • Answered

  • RE: ADS1298R: Problem i

    Resolved
    Hi Harsh, Happy to help! - Ryan

  • ADS1298R: Some question about ADS1298R ,pls help to review the schmetic

    Part Number: ADS1298R Other Parts Discussed in Thread: ADS1292R , ADS1298 Dear Expert We are now designing a 12 lead ECG+RESP+anti defibrillation interference product using ADS1298R. Could you please help us check the issue with the principle design. Is…

  • ADS1298R: ADS1298 vs ESP32

    TI Thinks Resolved
    Part Number: ADS1298R Other Parts Discussed in Thread: ADS1298 Hello, I am trying to communicate SPI ADS1298R with ESP32 where I could find library supporting it?

  • ADS1298R: Rapid baseline transients on the signal on ECG applications - is it RLD ?

    TI Thinks Resolved
    Part Number: ADS1298R Dear all, I am designing an ECG device which is using metal electrodes (the resistance is much higher than gel electrodes). Also, the circuit embeds a defibrillation protection circuit between the electrode and the anti-aliasing…
    • Answered

  • RE: ADS1298R: ADS1298R Schematics Review

    Resolved
    Hi Nivethitha, 1. Yes it should be ok if the micro's in-built ADC meets the performance spec. of ADS7042 and so long as you can take care of any digital noise from the MCU is getting coupled into the system. 2. The RLD amp is used as a feedback loop…

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