Hi Akira Sugimoto, The ADS114S08B outputs are push-pull You can connect multiple devices together by combining the DIN, DOUT, and SCLK signals, and then using a separate CS for each device Alternatively, you can tie DIN, CS, and SCLK together, and then have separate DOUT lines for each device In either case, you would only use a single DRDY line from one device to determine when conversions are complete, assuming you are starting the conversion for each device at the same instant -Bryan
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