Queries about AD8372

Dear supporter,

I am using AD8372 in my product. My input test signal is 0dBm sine wave, but there is no output from AD8372. I have some queries which need your help.

1, my schematic and timing is attached for your reference. It is highly appreciated that you could help review them for locating the problem

2, I read back from the register, sometimes I can readback the bits correctly; sometimes not...

3, from the timing figure in the datasheet, it should be writen from LSB to MSB. I wonder the sequency of binary data in Table 2 is LSB-to-MSB or MSB-to-LSB?

Thanks so much in advance for your kindly help and support!

Br,

Wayne

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