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Pressure sensor

  • US 8,616,065 B2
  • Filed: 08/02/2011
  • Issued: 12/31/2013
  • Est. Priority Date: 11/24/2010
  • Status: Active Grant
First Claim
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1. A pressure sensor, comprising:

  • a membrane having a sensitivity of less than 4.0 mV/V/1″

    H2O;

    two or more sense elements on the membrane connected in a bridge configuration to form a Wheatstone bridge, wherein the Wheatstone bridge has an output; and

    an amplifier having an input coupled to the output of the Wheatstone bridge, the amplifier also having an output wherein the output of the amplifier has a span (mV/V/1″

    H2O) that is greater than two times the sensitivity.

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