GENERAL DESCRIPTION
The AD7150 delivers a complete signal processing solution for capacitive proximity sensors, featuring an ultralow power converter with fast response time. The AD7151 is a single-channel, lower power alternative to the AD7150.

FEATURES
   Ultralow power
      2.7 V to 3.6 V, 100 μA
   Response time: 10 ms
   Adaptive environmental compensation
   2 independent capacitance input channels
      Sensor capacitance (CSENS) 0 pF 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
   2 proximity detection output flags
   2-wire serial interface (I2C compatible)
   Operating temperature
      −40°C to +85°C
   10-lead MSOP package
  
APPLICATIONS
   Proximity sensing
   Contactless switching
   Position detection
   Level detection