MCP4131-103E/SN, Энергозависимый цифровой потенциометр …The MCP4131-103E/SN is a 7-bit (129 wiper steps) non-volatile Digital Potentiometer with volatile memory, programmed/reprogrammed through an SPI compatible interface. It features zero to full-scale wiper operation. It supports split rail applications., 128 Resistors with taps to VSS and VDD, SPI compatible interface ,
