GND1GND2GND3GND4n.c.5n.c.6SPICONFIG7PWRDN8GND9GND10GND11ATT_IN12GND13SER_OUT14PUP215PUP116VDD17D518D419D320D221D122D023PSCONFIG24CLK25SER_IN26LE/SS27GND28AMP_OUT29GND30GND31GND32EP33