Omron Releases MEMS Absolute Pressure Sensor Capable of Best-of-Bleed
Accurately Well Suited for Healthcare and Wearable Devices
Nano Micro Biz
KYOTO, Japan -- June 28, 2013
OMRON Corporation (TOKYO:6645)(ADR:OMRNY) will release an absolute pressure
sensor^1 capable of accurately detecting 50cm altitudinal variations on July
By fully exploiting the latest MEMS technology, one of Omron's core
competencies, the company has developed a subminiature absolute pressure meter
that is among the world's most accurate and power efficient.
The sensor's high accuracy makes it well-suited for use in activity monitors^2
for healthcare and wearable devices monitoring precise altitudinal variation.
The sensor's power efficiency also makes it well-suited for use in
Through the integration of CMOS circuits and MEMS sensors, Omron has been able
to create an absolute pressure sensor measuring only 3.8×3.8×0.92mm, making it
suitable for installation in small mobile devices and other compact hardware.
Installing the pressure sensors in activity monitors will make it possible to
calculate more accurate calories taking into account the altitudinal variation
involved in one's daily activities and exercise such as climbing up and down
stairs or hills, etc.
The sensor's power efficiency also makes it possible to extend battery life of
equipments such as activity monitors.
Installing the pressure sensors in fitness devices, smart watches and elderly
care equipments makes it possible to identify human actions such as stand up,
sit down, lie down and drop down by precise measurement of the altitudinal
Installing the sensors in navigation systems will make it possible to use
indoor in addition to more accurate positioning by backing up GPS.
The sensors are also suited for weather monitoring equipments, smart phones
and tablets in which pressure sensors are now in widespread use.
Omron will continue to contribute society with leading edge MEMS technology.
Omron will be exhibiting its new MEMS absolute pressure sensor at the Nano
Micro Biz exhibition at Tokyo Big Sight from July 3 (Wed) to July 5 (Fri).
Please visit the following link for further product details
1. Absolute pressure sensors measure air pressure relative to a vacuum.
Activity monitors are pedometers that not only measure the number of
2. steps taken when walking or running but also the intensity of bodily
movement during other energy-burning activities such as housework.
1. Able to detect the relative difference of approximately 6pa in air
pressure that exists between 50cm variations in altitude.
2. High resolution of 0.06Pa (5mm equivalent)
3. Subminiature dimensions (3.8×3.8×0.92mm).
4. Thanks to integration of CMOS circuitry and MEMS sensors, chip size is
5. Wide detection range of 300 to 1100hPa.
Low current consumption of 0.5 to 9.0uA: suitable for use in
6. battery-operated devices (current consumption levels are dependent on
measurement conditions and operating modes).
A built-in temperature sensor can be used to adjust measurements to
7. compensate for air pressure fluctuations that are due to changes in air
8. I2C output, serial communications compatible.
Thanks to the semiconductor circuit design technologies, CMOS process
technologies, and MEMS technologies that Omron has cultivated over many years,
the company has also been able to integrate pressure sensors, analogue
amplifier circuits, digital processing circuits, non-volatile memory, etc. on
The company has also been able to reduce chip size, increase chip
functionality, and enhance chip noise immunity, and through the use of MEMS
bonding technology, they have been able to create a large vacuum chamber
inside the body of the sensor chip to maximize the sensor's input dynamic
range, and thereby increase the sensor's sensitivity.
Pressure Measurement Range 30kPa~110kPa
Absolute Pressure Accuracy Typ250Pa
Relative Pressure Accuracy ±6Pa
Absolute Temperature Accuracy ±2℃
Pressure Resolution 0.06Pa
Temperature Resolution 0.0002℃
Average Current 0.3~9uA
Input/Output Interface I^2C
Operating Voltage 2.5V
Omron Yasu Plant
Headquartered in Kyoto, Japan, OMRON Corporation is a global leader in the
field of automation. Established in 1933, and headed by President Yoshihito
Yamada, Omron has more than 36,000 employees in over 35 countries working to
provide products and services to customers in a variety of fields including
industrial automation, electronic components, social systems, healthcare, and
the environment. The company has regional head offices in Singapore (Asia
Pacific), Beijing (Greater China), Amsterdam (Europe, Africa, and the Middle
East), Chicago (the Americas), Gurgaon (India), and Sao Paulo (Brazil). For
more information, visit OMRON's website at http://www.omron.com/
Haruhiko Taniguchi, +81-77-588-9200
Micro Devices Division
Kazuhiko Yoshida/Yumiko Shinkai, +81-75-344-7175
Corporate Communications Department
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