TSV914AIPWT

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The TSV914AIPWT is an integrated pressure and temperature sensor designed for use with a variety of instrumentation, including linear amplifiers, op amps, buffer amps, and DC acquisition systems. This device is ideal for a variety of industrial, scientific, and medical applications requiring precise measurement of pressure and temperature. The TSV914AIPWT is a single chip containing a piezo-resistive pressure sensor, a temperature sensor, a low-noise amplifier, and a microprocessor-compatible digital interface. This integrated device is capable of measuring pressure in a range of up to 870 mbar (12.5 PSI) and temperature in a range of -20 to 80°C (-4 to 176°F). The device is available in 3- or 6-pin DIP packages.

Working Principle

The working principle of the TSV914AIPWT is based on a modified Wheatstone Bridge circuit. The Wheatstone Bridge is a circuit consisting of four resistors arranged in a cross pattern, such that a current flows through each arm when a voltage is applied to two of the resistors. In the case of the TSV914AIPWT, the two resistors in the bridge are replaced with a piezo-resistive pressure sensor and a temperature sensor. The pressure sensor is connected to the bridge in such a way that the resistance of the sensor changes as the pressure applied to it changes. This results in an unbalanced bridge which produces an output voltage proportional to the applied pressure. Similarly, the temperature sensor is connected to the bridge such that its resistance changes as the temperature changes, and an output voltage proportional to the temperature is also produced.

The output of the Wheatstone Bridge is then amplified by the low-noise amplifier and converted to a digital signal by the onboard microprocessor. This digital signal is used to provide data to systems such as linear amplifiers, op amps, buffer amps, and digital acquisition systems. The device can also be used in conjunction with pressure and temperature regulators, providing both lower and higher pressure and temperature values for control purposes. The digital interface is also compatible with other devices, allowing it to be used in more complex applications.

Applications

The TSV914AIPWT is ideal for use in a variety of applications requiring precise measurement of pressure and temperature. This includes industrial, scientific, and medical applications, such as automation control, gas and liquid pressure monitoring, heating and cooling systems, medical equipment, weather stations, and aerospace applications. The device can also be used in conjunction with linear amplifiers, op amps, and buffer amps, allowing it to be used in more specialized applications such as instrumentation, process control, and data acquisition. Furthermore, the device is also compatible with microprocessors, making it suitable for use as part of a larger system such as a computer or a PLC.

The TSV914AIPWT is a versatile integrated pressure and temperature sensor, offering a wide range of applications. Its unique combination of a Wheatstone bridge, a low-noise amplifier, and a microprocessor-compatible digital interface make it the ideal choice for a variety of industrial, scientific, and medical applications requiring accurate measurement of pressure and temperature.

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