MPX5700A

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Pressure sensors, such as the MPX5700A, are transducers that measure the pressure of a specific medium and convert it into an electrical signal. They are widely used in a variety of industries including automotive, aerospace, biotechnology, industrial and medical. Used in applications such as vehicular fuel and oil tanks, water tanks, aircraft and medical beds, these pressure sensors provide invaluable data in a wide range of environments. The MPX5700A specifically is an industrial grade pressure transducer perfect for applications requiring reliable, repeatable measurements in extreme environments.

The MPX5700A is a piezoresistive, industrial grade, pressure transducer that uses a Wheatstone bridge circuit with piezoresistive sensing elements to convert physical changes in strain or pressure to a corresponding electrical signal. It has a small form factor with an Integrated Circuit (IC) and a choice of pressure port designs. The electrical and physical properties of this transducer make it well suited for a variety of applications including pressure measurement and control, fluid level sensing, automotive fuel tanks, flow control systems, and air/gas systems. The MPX5700A is ideal for industrial environments and extreme temperatures and pressure ranges

The MPX5700A operates on the Wheatstone bridge principle which is based on four resistors of equal resistance connected in a diamond-shaped bridge formation. One of the resistors in this configuration is subjected to an external physical variable such as pressure, resulting in a change in its value. When this happens, the bridge circuit is no longer balanced, and an output signal is produced, proportional to the amount of unbalance. This signal is further amplified and sent to a readout or any other signal conditioning device.

The Wheatstone bridge is affected by the following factors: temperature, pressure, and stress. To counter this influence, the MPX5700A features a single compensated sensor, meaning that it can adjust for temperature and pressure fluctuation. Surface mount technology helps ensure surface-area stability and maintains the integrity of the bridge circuit over a wide temperature range. Additionally, the MPX5700A features a metal-on-Metal pressure port design, which increases the stability of the Wheatstone bridge and enhances its dynamic frequency range.

The MPX5700A is a rugged, reliable pressure transducer perfect for a variety of industrial applications. Its features make it perfect for environments with extreme temperatures and conditions while its Wheatstone bridge design accurately measures pressure and converts it to an electrical signal. High accuracy is possible due to the single sensing element temperature and pressure compensation, as well as surface mount technology and metal-on-metal pressure port designs.

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