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  • ADS127L21: SDO Current Drive

    TI Thinks Resolved
    Part Number: ADS127L21 Tool/software: Hi Team What is the SDO current drive capability? Is it 2mA I need to connect the SDO to opto coupler and i need 6mA is it supported? Thanks Roey

  • ADS127L21: ADS127L21 One-Shot Control Mode

    TI Thinks Resolved
    Part Number: ADS127L21 Hi Team, My customer has a question regarding ADS127L21 One-Shot Control Mode: If One-Shot conversion is performed periodically, will there be latency through the filter for each conversion? Or is it just initial at the first measurement…
    • Answered

  • ADS127L21: Correct usage in bipolar mode

    Resolved
    Part Number: ADS127L21 Other Parts Discussed in Thread: INA851 , TPS7A39 , REF3425 , TPS709 , REF6025 Hi TI Team Im planning to use the ADS127L21 in combination with an INA851. I use a +/-5 V supply for the INA851 and a +/-2.5 V supply for the ADC via a TPS7A39…
    • Resolved
    • Answered

  • RE: ADS127L21: ADS127L21 : What should I consider when using bipolar instead of unipolar?

    Resolved
    Hello Cheol, The THS4561 will correctly adjust the output common mode to the level needed by the ADS127L21 since the VCM output of the ADS127L21 is connected to the VCOM input of the THS4561. If the ADS127L21 is powered from +/-2.5V supplies, then the…
    • Answered

  • ADS127L21: ADS127L21 : Do I have to use only 4 types of clocks?

    Resolved
    Part Number: ADS127L21 hello. This customer is using the ADS127L21 device. Looking at the data sheet, there are a total of 4 Speed_mode. ①max-speed mode (Fclk=32.768Mhz) ①high-speed mode (Fclk=25.6Mhz) ①mid-speed mode (Fclk=12.8Mhz) ①low-speed mode (Fclk…
    • Resolved
    • Answered

  • ADS127L21: About input current

    Resolved
    Part Number: ADS127L21 I am having trouble with the large input current of the IC. AVDD1 = 5V AVDD2 = 5V AVSS = 0V REFP = 2.5V REFN = 0V IOVDD = 3.3V OSR 1024 AINP=4.5V Current 350uA AINN=0.5V Current 350uA Since the input current is large as mentioned above…
    • Resolved
    • Answered

  • ADS127L21: M_CRC_ERR

    Resolved
    Part Number: ADS127L21 Hi TI support team I have a question regarding the M_CRC_ERR in the STATUS2 Register of the ADC. My config is: CONFIG1 = 0x03 CONFIG2 = 0x07 CONFIG3 = 0x67 FILTER1 = 0xE7 FILTER2 = 0x01 FILTER3 = 0x00 OFFSET2 = 0x00 OFFSET1 = 0x00 OFFSET0…
    • Resolved

  • ADS127L21: Looking for the right IC

    TI Thinks Resolved
    Part Number: ADS127L21 Other Parts Discussed in Thread: ADS131M03 Hi team, Can you give us a device suggestion based on below information? I tried at ti.com but some parameters were not searchable. Vdd 1.8-2.5V ADC Delta Sigma Channel 3ch simultaneou…
    • Answered

  • [FAQ] ADS127L21: How do I design custom IIR and FIR filters?

    Resolved
    Part Number: ADS127L21 The ADS127L21 ADC includes programmable infinite and finite impulse response (IIR and FIR) digital filters that allow custom filter profiles, such as frequency notch filters. How do I design these custom filters?
    • Resolved
    • Answered

  • ADS127L21: 50/60Hz filter

    Resolved
    Part Number: ADS127L21 Hi TI-Support Team We are looking for a solution on how to filter 50/60Hz noise from a SIL2 anlog 4-20mA loop signal. But to be honest im not sure if this is a bit to much for just filtering 50/60Hz from an anlog signal. Our required…
    • Resolved

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