AIN4-1AIN4+2GND3AIN3–4AIN3+5REFOUT36GND7REF8REFOUT29AIN2–10AIN2+11GND12AIN1–13AIN1+14VDD15NC16NC17GND18NC19NC20VDD21REFOUT122SDR#/DDR23CNV#24CMOS#/LVDS25GND26SDO1/SDOA+27DNC/SDOA–28SDO2/SDOB+29DNC/SDOB–30OVDD31GND32CLKOUT/CLKOUT+33CLKOUTEN#/CLKOUT–34SDO3/SDOC+35DNC/SDOC–36OVDD37GND38SDO4/SDOD+39DNC/SDOD–40SCK/SCK+41DNC/SCK–42REFBUFEN43VDD44REFOUT445GND46NC47NC48GND49NC50NC51VDD52553