TCA355G

Overview

The device TCA355G contains all the functions necessary to design an inductive proximity switch. By approaching a standard metal plate to the coil, the resonant circuit is damped and the outputs are switched.

Summary of Features

  •  Low openloop current consumption; Is < 1 mA
  •  Low output saturation voltage
  •  Low temperature dependence of the switching distance and compensation of the resonant circuit temperature coefficient
  •  High sensitivity, so that larger switching distances are possible and coils of a lower quality can be used
  •  Constant switching hysteresis over temperature, supply voltage and switching distance
  •  The outputs are temporarily shortcircuit proof (approx. 10 s to 1 min depending on package)
  •  The outputs are disabled when Vs < approx. 4.5 V and are enabled when the oscillator stabilizes (from Vs min = 5 V)
  •  High switching frequencies can be obtained

Potential Applications

  • Proximity Switches
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