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  • ADS131A02: About the Characteristics of the ADS131A02

    TI Thinks Resolved
    Part Number: ADS131A02 Thank you for your continued support. Could you please answer the following question? 1) Is there any data on the temperature characteristics of the CMRR (100 dB)? 2) Are there any characteristics (such as linearity…
    • Answered

  • ADS131A02: Cant get SPI communication RP2354 spi0 with ADS131A02 in synchronous master mode 32 bit to work

    Resolved
    Part Number: ADS131A02 I am trying to get spi communication using the built in spi of RP2354 to work with a ads131a02 hardwired to synchronous master mode 32 bit word by M0->GND, M1->3V3, M2->GND to work. Configured the spi for slave mode motorola protocol…
    • Resolved

  • ADS131A02: External Vref Range

    Part Number: ADS131A02 Hi TIer My customer currently design external reference for ads131A02. ADS131A02 use ±2.5V for AVDD AVSS power supply. We know the VREF_external need in -0.5V to 2V range with GND. So the maximum vref is 4.5V which refer…

  • ADS131A02: DRDY signal issue

    Part Number: ADS131A02 Hi experts, During testing, the DRDY signal was found to be interrupted and its frequency changed, as shown in the red circle in the image. The red waveform is DRDY, and the blue waveform is CS. Interrupt-triggered mode was used…

  • ADS131A02: noise problem

    TI Thinks Resolved
    Part Number: ADS131A02 Other Parts Discussed in Thread: ADS131A04 When designing a three-phase power monitoring system using multiple ADS131A02 devices in a daisy-chain configuration, what are the key SPI timing and synchronization constraints to ensure…
    • Answered

  • ADS131A02: About why voltage appeared AIN1P.

    Resolved
    Part Number: ADS131A02 Hi there, I have a question, so just tell me about how to fix it. I designed attached file. Around part no. U3 is amp to gain about 1.882-2.25. But actually, when the input voltage was 0.1V, output voltage at TP2 point was 0.21V…
    • Resolved

  • ADS131A02: SPI timing issue

    TI Thinks Resolved
    Part Number: ADS131A02 In DRDY pin, we are using 128kHz sampling frequency. But we are seeing the following waveform which has junk signals, and the timing should be 7.8us but it is varying. And also when reading via SPI we are not receiving 128k samples…

  • ADS131A02: Gain Switching During Communication

    TI Thinks Resolved
    Part Number: ADS131A02 Hi Team, Can you help with the inquiry below? When switching the gain during SPI communication with the ADS131A02, the change takes effect after 20 conversion cycles. What settings affect this? Also, please clarify whether…

  • ADS131A02: about read data of ADS131A02.

    Part Number: ADS131A02 Tool/software: Hi team, Can I just read Channel 1 Data without reading the Status data? Because currently it takes 8~9us to read the data once, and we cannot reach the speed of 128k. Thanks

  • ADS131A02: Problem with ADS131A02 and SPI Communication using esp32.

    Part Number: ADS131A02 Tool/software: Hello, I am using an ADS131A02 and an ESP32-PICO-KIT for my project. In this case, the ADS131A02 is in synchronous slave interface mode, as I will be using SCLK as iCLK. The problem is that I cannot get a response…

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