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Showing 174 results View by: Thread Post Sort by
    Answered
  • ADS1255: SPI connection to ADS1255 does not work

    Michael Grelcke
    Michael Grelcke
    Resolved
    Part Number: ADS1255 Hi, I've been trying to control the ADS1255 for a while now and trying to read out the values. Unfortunately I still have problems. To the setup: I have a board where an ATmega88 is the interface between ADS1255 and RS485 communication…
    • Resolved
    • over 1 year ago
    • Data converters
    • Data converters forum
  • ADS1255: Bad histogram on ADS1255. Wrong Vref circuitry?

    HUGO DE MORAIS
    HUGO DE MORAIS
    TI Thinks Resolved
    Part Number: ADS1255 Other Parts Discussed in Thread: OPA350 , ADS1256 , REF6225 , REF5025 Hi, We´re getting the following distribuition of the readings on ADS1255. We suspecting of the Vref circuitry, where we using the ADR431 reference. The ADS1255 manual…
    • over 1 year ago
    • Data converters
    • Data converters forum
  • ADS1255: ADS1255 - noises on output

    Leszek C
    Leszek C
    TI Thinks Resolved
    Part Number: ADS1255 Hello We've been using the ADS1255 in microvolt level voltage measuring device (EEG amplifier) for many years without any problems. The output signal was always ok, free of interference and the noise level was low. However, for last…
    • over 1 year ago
    • Data converters
    • Data converters forum
  • Answered
  • ADS1255: SDATAC command after reset

    Martin Velek
    Martin Velek
    Resolved
    Part Number: ADS1255 Hello, I have checked many threads related to read data continuous mode and sometimes there is mentioned: "Also, after RESET, the device will default to RDATAC mode", see https://e2e.ti.com/support/data-converters/f/73/p…
    • Resolved
    • 10 months ago
    • Data converters
    • Data converters forum
  • Answered
  • ADS1255: Data converters forum

    Martin Velek
    Martin Velek
    Resolved
    Part Number: ADS1255 Other Parts Discussed in Thread: ADS1256 , Hello, I would like to measure conversion time and compare it with the t18. The SPI master sends: SYNC command Wait t11 WAKEUP command fCLKIN = 7.68MHz. The settling time is measured starting…
    • Resolved
    • 11 months ago
    • Data converters
    • Data converters forum
  • Answered
  • ADS1255: Non-zero conversion result when OFC = 0 and FSC = 0

    Martin Velek
    Martin Velek
    Resolved
    Part Number: ADS1255 Hello, is it possible to read a non-zero conversion result when OFC0-OFC2 and FSC0-FSC2 are programmed to zero? According to the equation (3) it should not be possible but sometimes I get 0xFFFFFF. It can be caused by MISO line always…
    • Resolved
    • 10 months ago
    • Data converters
    • Data converters forum
  • ADS1255: .oecl

    PREETHY P
    PREETHY P
    TI Thinks Resolved
    Part Number: ADS1255 Hi sir, How can i get the "Open EDA component library file"of ADS1255 to add the component for my multisim simulation?
    • over 1 year ago
    • Data converters
    • Data converters forum
  • ADS1255: How can i measure negative current?

    Patrick Weniger
    Patrick Weniger
    TI Thinks Resolved
    Part Number: ADS1255 Other Parts Discussed in Thread: OPA277 Hello, I want to use an ADS1255 to measure current of +/- 30mA. For this i have a 140 ohm shunt (dont mind the 100 ohm (R33) in the schematic). The current goes to the connector X8 pin 3 through…
    • over 1 year ago
    • Data converters
    • Data converters forum
  • RE: ADS1255: ADS1255

    Christopher Hall
    Christopher Hall
    Hi Greg, 1) Yes, the ADS1255's digital filter is a type of FIR filter. To be a bit more specific it is a kind of moving average filter. 2) As long as you are ignoring the data coming out during the extra clocks, I think this is fine. Are you having…
    • over 2 years ago
    • Data converters
    • Data converters forum
  • RE: ADS1255: Using one crystal / voltage reference for multiple ADS1255/ADS1256

    Patrick Weniger
    Patrick Weniger
    Dear Chris, I wanted to measure a current of +- 30mA over a 2.4ohm shunt which results in a voltage drop of +- 72mV. Is it possible to measure this bipolar voltage with the ADS1255? I assumed it was possible with PGA Gain 64 (+-78.125mV). When i use the…
    • over 2 years ago
    • Data converters
    • Data converters forum
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