Miniature Electronically Trimmable Capacitor

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Industry's Smallest Digitally Programmable Capacitor

Part Details
  • Tiny SC70 Package (1.1mm x 2.2mm x 2.4mm)
  • High-Performance Electronically Trimmable Capacitance
  • Very Simple Digital Interface
  • Eliminates the Need for Mechanical Tuning
  • Enabling Technology for Low-Cost Production Line Automation
  • Fully Static Operation After Programming (No Switching)
Additional Details
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The MAX1474 is a fine-line (geometry) electronically trimmable capacitor (FLECAP) programmable through a simple digital interface. There are 32 programmable capacitance values ranging from 6.4pF to 13.3pF in 0.22pF increments (see Table 1). The quartz dielectric capacitance is highly stable and exhibits a very low voltage coefficient. It has virtually no dielectric absorption and has a very low temperature drift coefficient (<33ppm/°C). The MAX1474 is programmed through two digital interface pins, which have Schmidt triggers and pulldown resistors to secure capacitance programming.


  • Accelerometer Measurements
  • Automotive Sensors
  • Cell Phones
  • Force Sensors
  • Humidity Sensors
  • Industrial Sensor Transmitters/Transducers
  • Industrial Sensor Transmitters/Transducers
  • Mobile Radios
  • Piezoresistive Transducers
  • Temperature Sensing and Monitoring

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