SparkFun Digital Capacitor - Qwiic

Ever need to fine tune an oscillator circuit or RF filter? It can be tricky and repetitive switching out capacitors on a PCB. The Qwiic Digital Capacitor, complete with the NCD2400M IC, can be a great solution. Solder the nibs onto any 0603 or 0402 footprint, plug in a Qwiic cable and RedBoard, and change the capacitance in code.

SPX-17182-003

With the SparkFun Qwiic Digital Capacitor Arduino Library, you can easily set and get the capacitance of the IC from 1.7 up to 200pF. You can also set the configuration mode, shunt or series, and make writes to volatile or non-volatile memory.

Quick Spec

  • DC to 150MHz frequency range
  • 512-state digital programmable capacitor
  • Series or shunt configuration
    • Cshunt = 12.5pF to 194pF (15.5:1 tuning ratio) in discrete 355fF steps
    • Cseries = 1.7pF to 194pF in discrete 376fF steps
  • EEPROM non-volatile memory
  • Wide power supply range (2.5V to 5.5V)
  • Operation ambient temperature to 105°C
  • Dimensions: 22.4 x 8.3 x 4mm
  • Weight: 2g

Resources

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  • 1 x SparkFun Digital Capacitor - Qwiic


SparkFun Digital Capacitor - Qwiic

  • Brand: Sparkfun
  • Product Code: SPX-17182
  • Stock

    Warehouse Stock Status Location
    Centurion In Stock F48
    Stellenbosch In Stock Z8072

    We ship free of charge between branches to complete your order.

  • R228.00 (Inc Tax: R262.20)


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Tags: sparkfun, digital, capacitor, qwiic, rf, filter, ncd2400m, ic, 0603, 0402, shunts