DS1868
DS1868 Description
Dual Digital Potentiometer Chip
DS1868 Vendor
Maxim
DS1868 Categories
DS1868 Features
  • Two 256-position digital potentiometers
  • Wipers digitally set and read through serial port
  • EEPROM maintains settings in the absence of power
  • Ultra low-power consumption: max standby current of 1µA
  • 3-wire serial control interface
  • Operating ranges:
    +5V or ±3V
    -40°C to +85°C
  • DS1868 Datasheet and Application Notes
    ParameterValue
    TaperLinear
    POTs Per Pkg.2
    Control Interface3-Wire Serial
    Wiper MemoryVolatile
    No of Steps256
    End-to-End Resistance (kohms)10
    End-to-End Resistance (kohms)50
    End-to-End Resistance (kohms)100
    Res. Tol. (%)20
    Typ. Temp. Coeff. (ppm/°C)750
    Typ. Wiper Res. (Ohms)400
    Supply Voltage (V)4.5 to 5.5
    Max Idle State Supply Current at 5V (µA)1
    Package14/PDIP.300
    Package16/SOIC.300
    Package20/TSSOP

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