Differential pressure sensor features I²C address selection

9th May 2016
Posted By : Nat Bowers
Differential pressure sensor features I²C address selection


Extending the scope of application possibilities in the medical technology and consumer goods industries, Sensirion expands its SDP3x series. The differential pressure sensors now offer an extended measurement range and additional features, such as I2C address selection.

Both the digital SDP32 and analogue SDP37 enable excellent accuracy in the bi-directional flow range of up to 125Pa. The SDP32 also allows the user to select from up to three I2C addresses with the ADDR pin, rather than communicating with just one address. Address selection was also added to the existing SDP31.

Like the previously launched SDP36, the analogue SDP37 has a configurable output signal. The output curve (linear or root square) can be selected with one pin and the latency defined with the other pin (low latency signal or best signal-to-noise ratio). Versions of the SDP3x differential pressure sensor with an extended pressure range will be launched later in 2016.

The SDP3x differential pressure sensor is considerably smaller than other differential pressure sensors: it measures just 5x8x5mm. This opens up new integration and application possibilities. The sensor can be integrated into devices which previously lacked sufficient space for any sensor technology. Apart from its minimal size, the SDP3x differential pressure sensor also stands out thanks to its high accuracy, long-term stability, and no zero-point drift. The SDP3x is reflow solderable, is shipped in tape and reel and is thus the best choice for industrial mass production. The new sensor is particularly suitable for the measurement of mass flow in medical technology, especially in medical ventilation or inhalers, in the consumer goods industry or in various appliances.

Visit SENSIRION at SENSOR+TEST in Nuremberg, from 10th to 12th May 2016, booth 316 in hall 1 to learn more about the new differential pressure sensors in the SDP3x series.


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