max138The conversion result is 1000x (lN HI-IN LO)(FlEF HI-FtEl= LO) with a maximum conversion result of 11999 If the input voltage is greater than full scale. the MAX138139140 will blankThe MAX138MAX139 are 3 ½ dit AD converters (ADCs) with on-board LCD (MAX138) and LED (MAX139) display drivers. The MAX138MAX139 also contain a charge-pump voltage inverter. The charge-pump inverter allows