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When my program writes 0XFFFF, the DAC outputs 4.5V and writes 0X0000 but it is 2.25V. Why is it not 0V?
Hi maozhu
Can you share the SPI waveforms (DIN, SCLK, /SYNC) when you wrote 0x0000 to the DAC register?
Please make sure that you allow the DAC to sample the DIN at falling edges of SCLK.
Cheers,
Ivan
