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Pressure Sensor

Pressure Sensor

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MPX4250AP Pressure Sensor

The MPX4250 piezoresistive transducer is a state-of-the-art monolithic silicon pressure sensor designed for a wide range of applications, particularly those employing a microcontroller or microprocessor with A/D inputs. This transducer combines advanced micromachining techniques, thin-film metallization, and bipolar processing to provide an accurate, high-level analog output signal that is proportional to the applied pressure. The small form factor and high reliability of on-chip integration make the NXP sensor a logical and economical choice for the automotive system engineer. The MPX4250AP Pressure Sensor is designed to sense absolute air pressure within the intake manifold. This measurement can be used to compute the amount of fuel required for each cylinder.

Technical Specification

  • 1.5 % maximum error over 0 °C to 85 °C
  • Specifically designed for intake manifold absolute pressure sensing in engine control systems
  • Patented silicon shear stress strain gauge
  • Temperature compensated over –40 °C to +125 °C
  • Offers reduction in weight and volume compared to existing hybrid modules
  • Durable epoxy unibody element or thermoplastic small outline, surface mount package
  • Ideal for non-automotive applications
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