AD7151

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Ultra-Low Power, 1-Channel, Capacitance Converter for Proximity Sensing

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Part Details

  • Ultra-low power
    2.7 V to 3.6 V, 70 µA
  • Response time: 10 ms
  • Adaptive environmental compensation
  • 1 capacitance input channel
    Sensor capacitance (CSENS) 0 up to 13 pF
    Sensitivity to 1 fF
  • EMC tested
  • 2 modes of operation
    Standalone with fixed settings
    Interfaced to a microcontroller for user-defined settings
  • Proximity detection output flag
  • 2-wire serial interface (I2C-compatible)
  • Operating temperature
    −40°C to +85°C
  • 10-lead MSOP package
AD7151
Ultra-Low Power, 1-Channel, Capacitance Converter for Proximity Sensing
AD7151 Functional Block Diagram 452621282AD7151-pc
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