PPT0020DRF5VA Sensors, Transducers

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Pressure Sensors, Transducers play an important role in many processes. The PPT0020DRF5VA is an integration of temperature and pressure sensors on single ceramic package. The sensor combines temperature compensation, signal conditioning, communication and pressure transducer and temperature detector, providing reliable solutions in a wide variety of applications.

The PPT0020DRF5VA has a varity of applications in various fields, including automotive, aerospace, medical devices, consumer electronics, oil and gas and industrial sensing. Automotive use includes measuring the temperature of gasoline inside tall fuel tanks, while aerospace applications range from controlling in-flight fuel pressure and temperature to cabin air pressure and temperature. Similarly, the combination of pressure and temperature sensing within medical devices can help control and maintain a consistent environment in medical imaging. With the consumer electronics industry, this integrated pressure transducer/temperature sensor is deployed in mobile phone battery protection and control. Additionally, in the oil and gas industry, the sensing capability of the PPT0020DRF5VA helps measure downhole pressure and temperature in well drilling, for example.

The main working principle of the PPT0020DRF5VA is based on the on-chip temperature sensor and signal conditioning circuitry that together measure temperature and pressure with high accuracy. The integrated temperature sensor converts temperature into a proportional voltage that is used to determine the pressure error due to variation in temperature from the calibrate temperature. As the pressure sensor is based on piezoresistive technology, there is an array of small resistors positioned in the area where the stainless steel diaphragm is fixed. The pressure applied onto the diaphragm causes the resistors to change in value that is directly proportional to the pressure applied. This value is then converted into a very low error so that the final output digital reading from the pressure transducer is not affected by external temperature. This integrated pressure sensor solution allows fast and accurate readings in a single ceramic package.

The PPT0020DRF5VA is designed for applications that require accurate and reliable temperature and pressure sensing capabilities. The integrated solution reduces space, simplifies design and improves overall system accuracy. Additionally, the advanced signal conditioning features within the device make integration into programmable Integrated Circuit (IC) designs simple and fast. As such, the PPT0020DRF5VA is a low cost, accurate and reliable pressure sensor and temperature sensor solution for numerous applications.

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