Melexis’ MEMS pressure sensors are rugged and accurate

Melexis has rolled out the first of its line of commercial, off-the-shelf, packaged MEMS pressure sensors.

The MLX90809 is a highly accurate, AEC Q100 qualified relative pressure sensor specifically targeted at 1 Bar applications. The company has combined its proprietary piezo-resistive MEMS technology with a high accuracy sensing element, low noise analog front end, and 16-bit sigma-delta analog-to-digital converter (ADC). It also includes a built-in 16-bit microcontroller unit (MCU) that deals with temperature compensation and supplies the diagnostic mechanisms required for safety critical applications.

An integrated fully programmable EEPROM memory allows different configurations to be supported. Examples include independent setting of diagnostic functions for over-voltage or under-voltage supply conditions, over-pressure or under-pressure conditions, and selectable digital filter settings to further reduce output noise or alternatively to decrease sensor response time. It also permits sensor compensation data and unit identity to be stored.  

Offered in a plastic molded, 16-pin surface mount package, the MLX90809 sensor device can deliver pressure data via an analog output voltage ratio-metric to the supply voltage or using the SENT digital protocol. It has an operational temperature range of -40 °C to +150 °C.

The MLX90809 is priced at approximately $3.88 each for 10K units.

Datasheet: Click here.