Analog, ASIC-based high-performance pressure sensor

For accurate pressure measurements in demanding industrial applications

PEWATRON launched the new analog A2 series of gauge pressure sensors from Fujikura. The A series is compatible in footprint and pin configuration with the highly successful F and X series, but with higher total accuracy (typically +/-1.0%, max +/-1.5%) and a wider compensated temperature range (0-85°C).

The analog A2 series is a two-chip system consisting of a MEMS sensor chip and an ASIC signal-conditioning chip. Digital signal conditioning and trimming are used to achieve a very high performance level when it comes to accuracy, long-term stability and batch uniformity. Standard output is 0.2 to 4.7 VDC.

Pressure sensing using MEMS sensor chips was the first big commercial success of the MEMS technology on Silicon wafers. Along the 30 year of history for this type of products, the sensing chip has been developed to be able to measure anything from very low pressure and to pressures higher than 10 bars. And, this with a very high precision, long-term stability and stability towards media.

The A2 series is very popular for use in industrial pressure switches because of its ease of integration and because of the very good performance of the sensor. The A2 series have a number of different housings developed especially for use in industrial applications. Standard housing include the AP2 housing for THT mounting of the sensor and the AG2 housing for SMD mounting of the sensor. The ports are straight ports with 6 mm height (AP2) or a choice between 6 mm or 3 mm height for the SMD version (AG2). The AP2 series can also be delivered with a barbed port (APB2) for easy fixation of a hose. For retrofits and new developments, we also offer the APSM type, where the AG2 sensor is placed on a FR4 base substrate with 8 pins (THT).

The standard measurement ranges between 0 and 250 mbar and 0 and 12 bar; non-standard ranges are possible on request. The pressure range is configurable as positive, negative or bidirectional gauge, and the supply voltage is configurable at 3.0, 3.3 or 5.0 VDC. The pressure sensors are delivered in the usual high quality Fujikura packages comprising tray, tape and reel and stick, according to customer specification.

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