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  • ADS131A04: ADS131A04 configuration issue

    Resolved
    Part Number: ADS131A04 Hello everyone, I'm having a strange issue on ADS131A04. We already use this ADC in our projects and now I'm testing a new release of my board. We have made a new redesign of the pcb but the con figuration of the ADC is not…
    • Resolved

  • ADS131A04: Improvement suggestions for ADS131A04 and ADS131M04

    TI Thinks Resolved
    Part Number: ADS131A04 Other Parts Discussed in Thread: ADS131M04 Hi, We're building haptic systems, and I'm doing R&D and sensors development. I've been working with the ADS131M04 for a while, and now we will probably switch to the ADS131A04. Our…

  • ADS131A04: ADS131A04 Input voltage

    TI Thinks Resolved
    Part Number: ADS131A04 Hi Team, We are planning to use ADS131A04 and our inputs voltage are in the below range AIN1P -> +/- 2.5V AIN1N -> - 6.35uV Should we add +/- 2.5V ref to the ADS131A04? if yes, pl., suggest sutiable part for getting -2.5V Thanks…

  • ADS131A04: How to manage the coexistence of the internal reference and an external reference in the ADS131A04.

    TI Thinks Resolved
    Part Number: ADS131A04 Hi team. My understanding is that if a voltage is applied externally to the REFEXT pin, the node will be influenced (pulled) by that external source. Therefore, even if I switch the INT_REFEN setting via SPI to enable or disable…

  • ADS131A04: ADS131A04: periodic spikes on one ADC when second ADC is enabled, even without reading second device

    Part Number: ADS131A04 Hello, I am using two ADS131A04 devices with an STM32F767. Each ADC is connected to a separate SPI peripheral. Both devices are operated in bipolar supply mode. I see the following behavior: If only one of these ADS131A04…

  • ADS131A04: ADS131A04

    Part Number: ADS131A04 Tool/software: I am working with the ADS131A04 in a 2 daisy-chain of 3 ADCs and 2 ADCs While doing some measurements, all signals are "okay" only the MOSI line is constantly low

  • ADS131A04: ADS131A04 raises F_SPI fault during ESD test, but bit cannot be cleared by reading STAT_S

    Part Number: ADS131A04 This ticket is re-created on request of TI after submitting CS3207303 (which I can't open so I'll try to rephrase the content here). We are developing a product where multiple ADS131A04's are connected to an FPGA. The ADCs work…

  • ADS131A04: Regarding the latency of the ADS131A04

    TI Thinks Resolved
    Part Number: ADS131A04 Tool/software: Hi team, My customer is considering switching from the AD7682 to the ADS131A04. While the AD7682 is a SAR-type ADC with a multiplexer (MUX) switching architecture, the ADS131A04 is a delta-sigma ADC that supports…

  • ADS131A04: ADS131A04

    Part Number: ADS131A04 Tool/software: I have 3 daisy-chain ADCs ADS131A04, where I want to read data from all the 4 channels of each: 1) Does the order of configured registers (WREG and RREG) matters? 2) DO I need to configure the D_SYS_CFG register…

  • ADS131A04: Configuration issue of ADS131A04

    Part Number: ADS131A04 Tool/software: hi Expert May I ask if there are any additional configuration requirements for the interrupt mode of the ADS131a04 chip, apart from raising the MO pin? After configuring the registers according to the official…

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