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LM1815EP - Enhanced Plastic Adaptive Variable Reluctance Sensor Amplifier

General Description

The LM1815EP is an adaptive sense amplifier and default gating circuit for motor control applications.

Key Features

  • Adaptive hysteresis Single supply operation Ground referenced input True zero crossing timing reference Operates from 2V to 12V supply voltage Handles inputs from 100 mVP-P to over 120VP-P with external resistor.
  • CMOS compatible logic.

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LM1815EP Enhanced Plastic Adaptive Variable Reluctance Sensor Amplifier OBSOLETE LM1815EP July 23, 2010 Enhanced Plastic Adaptive Variable Reluctance Sensor Amplifier General Description The LM1815EP is an adaptive sense amplifier and default gating circuit for motor control applications. The sense amplifier provides a one-shot pulse output whose leading edge coincides with the negative-going zero crossing of a ground referenced input signal such as from a variable reluctance magnetic pick-up coil. In normal operation, this timing reference signal is processed (delayed) externally and returned to the LM1815EP. A Logic input is then able to select either the timing reference or the processed signal for transmission to the output driver stage.