MAX138 Datasheet(PDF) - Maxim Integrated Products

max138The 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 allowsThe 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