MPXA4115AP

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MPXA4115AP Application Field and Working Principle

The MPXA4115AP pressure sensor is a silicon-based, piezoresistive, 1.45 to 35 bar (20.5 to 500 psi) pressure sensing device. It has been designed with advanced outgassing technology and a high output signal for surface-mount applications. It has a range of temperature compensation from –25°C to +125°C and overpressure protection up to 500 psi. It is an ideal device for applications such as automotive, aerospace, and industrial automation.

The working principle of the MPXA4115AP is based on the piezoresistive principle. The device has an internal bridge circuit in the form of a Wheatstone Bridge, with a sense element resistor on one side and a reference resistor on the other. When pressure is applied to the membrane, the elements in the bridge will show a change in resistance proportional to the applied pressure. By measuring this change in resistance, the pressure applied can be determined.

The MPXA4115AP device has a two-wire, ratiometric, voltage output. This output provides a linear signal proportional to the applied pressure. It has a typical full-scale signal of 5.25 mV/V, which is a direct proportion to the applied pressure. This output signal can be used to measure pressure values from 0 to 500 psi with a resolution of 0.1 psi.

The MPXA4115AP pressure sensor can be used in many pressure sensing applications in the automotive, aerospace, and industrial automation fields. It is also suitable for use in medical and consumer products. It can be used to measure the pressure of liquids, gases, and a variety of other fluids with a high degree of accuracy.

The MPXA4115AP pressure sensor is an ideal choice for pressure sensing applications in the aforementioned fields. It is designed to provide an accurate, linear output signal, with a wide temperature compensation range and an high resolution. This device has been designed with advanced outgassing technology, making it ideal for applications where accurate and reliable pressure measurements are critical.

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