DS1845
DS1845 Description
Dual NV Potentiometer and Memory
DS1845 Vendor
Maxim
DS1845 Categories
DS1845 Features
  • Two linear taper potentiometers: one 100 position and one 256 position
  • 256-byte EEPROM
  • 2-wire interface communication
  • Nonvolatile wiper storage
  • Operating range:
    3V or 5V supplies
    -40°C to +85°C
    0°C to +70°C (programming range)
  • DS1845 Datasheet and Application Notes
    ParameterValue
    TaperLinear
    POTs Per Pkg.2
    Control Interface2-Wire Addressable
    Wiper MemoryNon-Volatile
    No of Steps100+256
    End-to-End Resistance (kohms)10+10
    End-to-End Resistance (kohms)10+100
    End-to-End Resistance (kohms)10+50
    Res. Tol. (%)20
    Typ. Temp. Coeff. (ppm/°C)750
    Typ. Wiper Res. (Ohms)250
    Supply Voltage (V)2.7 to 5.5
    Max Idle State Supply Current at 5V (µA)40
    Package14/TSSOP
    Package16/CSBGA-4x4
    PackageCSP1845

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