WR#1CSLSB#2CSMSB#3(LSB)D04D15D26D37D48D59D610D711D812D913D1014D1115D1216D1317D1418D15(MSB)19GND20REFLO21REFHI22REFOUT23VCC24VOUT25X1/X226CLR#27LDAC#28