industry news
Subscribe Now

Water-Resistant MEMS Pressure Sensor from STMicroelectronics Targets Budget-Conscious Consumer and Industrial Applications

Geneva, March 12, 2019 — The STMicroelectronics LPS33W water-resistant MEMS pressure sensor combines chemical compatibility, stability, and accuracy for use in a wide range of applications such as fitness trackers and other wearables, vacuum cleaners, and general-purpose industrial sensing.
 
Protected by a viscous potting gel inside the cylindrical metal package, the IPx8-rated LPS33W withstands salt water, chlorine, bromine, detergents such as hand soap and shampoo, e-liquids, and light industrial chemicals such as n-pentane. The package lid provides high corrosion resistance, and the cylindrical form factor is easy to use with o-rings in applications that require a sealed enclosure.
 
The unique properties of ST’s proprietary gel formula, together with the sensor’s built-in signal-conditioning ASIC, ensure class-leading 0.008hPa RMS pressure noise thereby allowing outstanding measurement resolution. Susceptibility to reflow-soldering stress during assembly is also extremely low, drifting less than ±2hPa and recovering normal accuracy in 72 hours; more than twice the speed of other sensors. Temperature compensation keeps accuracy within ±3hPa over the operating range from 0°C to 65°C.
 
The LPS33W operates at just 15µA in high-performance mode, with a 3µA low-power mode and 1µA power-down to help maximize runtime of battery-powered devices. A generous 128-bit FIFO stores up to 40 slots of 32-bit pressure and temperature data, helping save extra power by minimizing intervention from the host microcontroller. A low-pass filter and I2C and SPI digital interfaces are also built-in.
 
The LPS33W is in mass production now, in a 3.3mm-diameter x 2.9mm cylindrical metal case, priced from $3.60 for orders of 1000 pieces.
 
For more information please go to www.st.com/lps33w-pr

Leave a Reply

featured blogs
May 24, 2019
It's Memorial Day in the US on Monday, and Cadence is off. So today is the day before a holiday. By tradition, I write about...whatever I feel like. So let's go with figures of speech. Even... [[ Click on the title to access the full blog on the Cadence Community s...
May 23, 2019
The Role Of EDA In AI Achieving Effective Verification and Validation of Vehicle E/E Systems – Part 4 Signal Integrity and high-speed design challenges: interview with Mentor’s Todd Westerhoff Designing For The Edge Benefits of a Digitalization Strategy for Electr...
May 23, 2019
Everybody loves webcasts, right? While some may view webcasts as these kids in Ferris Bueller’s class, others love the on-demand technical education available via this popular medium. In an attempt to appeal to the second group, Samtec is pleased to announce a new Chalk...
Jan 25, 2019
Let'€™s face it: We'€™re addicted to SRAM. It'€™s big, it'€™s power-hungry, but it'€™s fast. And no matter how much we complain about it, we still use it. Because we don'€™t have anything better in the mainstream yet. We'€™ve looked at attempts to improve conven...