Analogue, Mixed Signal, LSI


Ultra low-pressure gauge and differential sensors

25 August 2021 Analogue, Mixed Signal, LSI

The SM9000 series from TE Connectivity comprises digital, ultra low-pressure sensors utilising state-of-the-art MEMS pressure transducer technology and CMOS mixed-signal processing technology to produce a digital, fully conditioned, multi-order pressure and temperature compensated sensor in a JEDEC-standard SOIC-16 package with a dual vertical porting option (dual horizontal porting available for selected configurations). It is available in a gauge and a differential pressure configuration.

The total error band after board mounting and system level auto-zeroing is less than 1% of full scale. The warmup behaviour and long-term stability further confirm its expected performance over the life of the part.

Combining the pressure sensor with a signal conditioning ASIC in a single package simplifies the use of advanced silicon micro-machined pressure sensors. The pressure sensor can be mounted directly on a standard printed circuit board and a high-level, calibrated pressure signal can be acquired from the digital interface. This eliminates the need for additional circuitry, such as a compensation network or microcontroller containing a custom correction algorithm.

The SM9233, SM9235, SM9236, SM9333, SM9336 are shipped in sticks or tape-and-reel.


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