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LM1815N/NOPB .

Variable Reluctance Sensor Amplifier, 2.5 V to 12 V in, DIP-14

TEXAS INSTRUMENTS LM1815N/NOPB .

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Manufacturer Part No:
LM1815N/NOPB .
Order Code:
2492136

Product Overview

The LM1815N/NOPB is an adaptive Sense Amplifier and Default Gating Circuit. The sense amplifier provides 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 LM1815. A Logic input is then able to select either the timing reference or the processed signal for transmission to the output driver stage. The adaptive sense amplifier operates with a positive-going threshold which is derived by peak detecting the incoming signal and dividing this down. Thus the input hysteresis varies with input signal amplitude. This enables the circuit to sense in situations where the high speed noise is greater than the low speed signal amplitude.
  • Adaptive hysteresis
  • Ground referenced input
  • True zero crossing timing reference
  • Handles inputs from 100mVp-p to over 120Vp-p with external resistor
  • CMOS compatible logic
  • 150mVp-p Minimum input signal

Applications

Signal Processing, Motor Drive & Control

Product Information

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:
Variable Reluctance Sensor Amplifier

:
2.5V

:
12V

:
DIP

:
14Pins

:
-40°C

:
125°C

:
-

:
-

:
MSL 1 - Unlimited
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