DP7411

DP7411 Dual Digital Potentiometers (DP) with 64 Taps and SPI Interface FEATURES Two linear-taper digital potentiometers 64 resistor taps per potentiometer End to end resistance 2.5kŸ, 10kŸ, 50kŸ or 100kŸ Potentiometer control and memory access via SPI interface: Mode (0, 0) and (1, 1) Low wiper resistance, typically 80 Nonvolatile memory storage for up to four wiper settings for each potentiometer Automatic recall of saved wiper settings at power up 2.5 to 6.0 volt operation Standby current less than 1µA 24-lead SOIC and 24-lead TSSOP Industrial temperature ranges DESCRIPTION The DP7411 is two Digital Potentiometers (DPs) integrated with control logic and 16 bytes of NVRAM memory. Each DP consists of a series of 63 resistive elements connected between two externally accessible end points. The tap points between each resistive element are connected to the wiper outputs with CMOS switches. A separate 6-bit control register (WCR) independently controls the wiper tap switches for e...