Category: Hardware
Product Number: AD5270
Dear Sir,
I try to use AD5270 in my project, my schematic is in figure 1. however, when i send C3C2C1C0=b'0001' and D9~D0=b'0000000000' to set RDAC=0x000, the measured resistance between A and W is always 25KOhm. The waveform of my sending command/data is in figure 2.
On the other hand, when i send C3C2C1C0=b'0010' to read RDAC in the next 16 bit SPI communication on SDO, there is no answer on SDO, the waveform is in figure 3.
Please help me to solve this problem, thank you
Best Regards
P.S. the VDD=3.3V, VSS=GND=0V
Ctchan
figure1.
figure 2 
figure 3 
