I'm using an AD5292 digital potentiometer to change some voltage and an LTC2400 on the same SPI interface. However, my SDO is stuck to ground as a result of the AD5292 and the LTC2400 is not able to pull it high.
The timing waveform (for the LTC2400) just shows 32 clk pulses, a CS that goes low and a SDO line that does nothing. The SDO line is connected to both the AD5292 and LTC2400 as well as the clk. Seperate they both work, but if I combine them on the SDO line, the LTC2400's SDO stops working