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  • ADS7957-Q1: Operation Question

    Resolved
    Part Number: ADS7957-Q1 Hi, The customer is testing the ADS7957QDBTRQ1 circuit after designing it. The Max value should be output when it is about 5V input based on the ADC 1024 value with the 10bit resolution specification. Currently, the Max value is…
    • Resolved

  • ADS7957-Q1: ADS7957 Development Guide

    TI Thinks Resolved
    Part Number: ADS7957-Q1 Other Parts Discussed in Thread: ADS7957 Hi team， At present, the customer project uses the ADS7957 solution to read the AD sampling value. After reading the "ADS7957-Q1.pdf" specification, the customer only saw how to write some…
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  • ADS7957: Analog input voltage sequencing?

    Resolved
    Part Number: ADS7957 Hello, I'm using the ADS7957 in a design. It’s being driven with a 3.3V rail for both analog (VA) and digital voltage supplies (VBD). The analog inputs are <= Vref, which is 2.5V. Can the chip tolerate analog inputs…
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  • ADS7957: ads7957

    TI Thinks Resolved
    Part Number: ADS7957 I would like to know how critical the cap across the reference voltage pins (REFP/REFM) is toward the performance of this device? The recommendation is 10uF, would the use of a 4.7uf (SMT Ceramic X7R) be adequate and how would the…

  • ADS7957: Wrong output after ESD

    Part Number: ADS7957 Other Parts Discussed in Thread: STRIKE Hi Team, My customer found after applied 15kV air discharge and 5kV contact discharge ESD test, the output is FFC, even with input shorted to ground. They tried two ways below, both can help…

  • AMC3311: Calculation of offset voltage caused by resistor accuracy

    TI Thinks Resolved
    Part Number: AMC3311 Other Parts Discussed in Thread: ADS7957 Tool/software: Hi Team, The customer uses ACM3311+OP4177 (ADI)+ADS7957 to sample the voltage. AMC3311 implements isolated sampling of voltage signals and differential output; OP4177 is needed…
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  • RE: ADS7957: Unable to read channels via Linux IIO

    Resolved
    For future readers, this discussion is continued in post Unable to read ADS7957 channels via Linux IIO .
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  • AM3357: Unable to read ADS7957 channels via Linux IIO

    Resolved
    Part Number: AM3357 Other Parts Discussed in Thread: ADS7950 , DAC104S085 Hello, I have the following setup: CPU: Sitara AM3357 , Analog: ADS7957 SPI1 chip select on GPIO0.13 OS: Yocto Linux based on TI kernel v4.19.94rt (taken from https://git.ti.com/cgit…
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  • ADS7957: Set GPIOs per SPI command

    TI Thinks Resolved
    Part Number: ADS7957 Hello, my target is to set the ADS7957 IOs per SPI command. Problem: I can see the set output values neither on the SDO data (if this mode is selected), nor on the outputs. I can confirm that the communication itself is working properly…
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  • ADS7957-Q1: Question about reset and initialization of ADS7957-Q1

    Resolved
    Part Number: ADS7957-Q1 Other Parts Discussed in Thread: ADS7957 Hi, I would like to ask you some questions related reset of ADS7957-Q1 as below. Q1) Reset I suppose there is no "reset" pin with ADS7957. Could you tell me how to reset this device…
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