ADS1252: Tutorial on High precision (24-bit) ADC, Please

I would like to use the corresponding ADS1252 chip.
What I want is

  1. Schematic(Circuit)
    (Reference : attach image)

  2. Programming.
    (Reference : Arduino Forum)

Help. Also, is the circuit diagram of the attached file correct?

The configuration is as follows, but it does not work.

Therefore, please let me know if it is correct.
I want to get a method.