DS1846
DS1846 Description
NV Tri-Potentiometer, Memory and MicroMonitor
DS1846 Vendor
Maxim
DS1846 Categories
DS1846 Features
  • Three linear taper potentiometers
  • Two 10kohm, 100-position
  • One 100kohm, 256-position
  • 248 bytes of user EEPROM memory
  • Monitors microprocessor power supply, voltage sense, and external override
  • Access to data and potentiometer control through a 2-wire interface
  • External write-protect (WP) pin to protect data and potentiometer settings
  • Operates from a 5V supply
  • Nonvolatile (NV) wiper storage
  • Packaging: 20-pin TSSOP
  • Programming temperature: 0�C to +70�C
  • Industrial operating temperature: -40�C to +85�C
  • DS1846 Datasheet and Application Notes
    ParameterValue
    TaperLinear
    POTs Per Pkg.3
    Control Interface2-Wire Addressable
    Wiper MemoryNon-Volatile
    No of Steps100+256
    End-to-End Resistance (kohms)10+100
    Res. Tol. (%)20
    Typ. Temp. Coeff. (ppm/°C)750
    Typ. Wiper Res. (Ohms)300
    Supply Voltage (V)4.5 to 5.5
    Max Idle State Supply Current at 5V (µA)200
    Package20/TSSOP

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