ams Introduces Industry’s First Total Solution for 24/7 Heart Rate Measurement for Wearables
September 30 2015 - 9:00AM
Business Wire
The AS7000, the first member of ams’ biosensor family, offers
highest-accuracy, low power optical pulse rate measurement
ams AG (SIX:AMS), a leading provider of high performance sensors
and analog ICs, today announced the launch of the AS7000, the first
member of a new family of health/fitness solutions aimed at
wearable devices. The AS7000 solution incorporates a highly
integrated optical sensor module accompanied by software to provide
industry-leading, highest accuracy optical heart rate measurements
(HRM) and heart rate variation (HRV) readings, backed by
opto-mechanical design-in support from ams.
Housed in a compact 6.1mm x 4.1mm x 1.0mm package, the AS7000 is
the industry’s first complete integrated health and fitness
solution for wearables intended to be worn constantly, at rest and
when exercising. The introduction of the module raises the prospect
of devices such as fitness bands as well as sports and smart
watches allowing for accelerated design cycles and replacing the
cumbersome, uncomfortable electro-cardiogram (ECG) chest strap in
lifestyle, fitness and health monitoring applications.
The ams solution contains the AS7000 module including the LEDs,
photo-sensor, analog front end (AFE) and controller as well as
application software required to implement an accurate optical
HRM/HRV fitness band product. In addition to HRM/HRV, the module
also enables skin temperature and skin resistivity measurements by
providing interfaces to external sensors.
Drawing on its expertise in optical sensing in mobile devices,
ams provides OEMs with electrical, mechanical and optical design
guidelines to enable them to quickly realize a successful
implementation. These guidelines address critical opto-mechanical
challenges such as the design and material of the wrist strap and
housing, and specific optical design considerations such as the air
gap and glass thickness.
The operation of the AS7000 is based on photoplethysmography
(PPG), an HRM method which measures the pulse rate by sampling
light modulated by the blood vessels, which expand and contract as
blood pulses through them. Unlike existing optical AFEs, which
produce raw PPG readings, the AS7000 integrates a digital processor
which implements algorithms developed by ams. These convert the PPG
readings into digital HRM and HRV values.
When the AS7000 is paired with an external accelerometer, these
algorithms also filter out motion artifacts attributable to the
beating of the heart which interfere with PPG readings. Combined
with the low noise and high sensitivity of the AS7000’s analog
circuitry, this means that the module can maintain high accuracy
whether the user is resting or exercising.
The AS7000’s low-power design is particularly well suited to
application in fitness bands, smart watches, sports watches, and
devices in which board space is limited and in which users look for
extended, multi-day intervals between battery recharges.
‘Unique ams innovations which reduce noise, compensate for
motion artifacts and conserve energy have resulted in a
breakthrough for the health-monitoring and fitness-monitoring
markets.The AS7000 is ideally suited to customers seeking a total
solution that enables a quick time to market when adding health and
fitness features to their wearables,’ said Ronald Tingl, Biosensors
Senior Marketing Manager for the Advanced Optical Solutions
Division.
A complete HRM/HRV wristband demonstration kit is available on
request from ams. Containing a fitness band-mounted AS7000, it
uploads its HRM and HRV readings via a Bluetooth® interface board
to any smartphone or tablet running the Android™ operating
environment. An ams-developed heart rate app presents HRM and HRV
readings and allows for real time logging of all the data.
The AS7000 is available for sampling now. Unit pricing is $6.00
in order quantities of 1,000.
A demonstration kit for the AS7000 is available. For sample
requests and for more technical information, please go to
www.ams.com/Biosensor/AS7000.
Download press picture and block diagram at
http://www.ams.com/eng/Press/Press-Releases/
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version on businesswire.com: http://www.businesswire.com/news/home/20150930005609/en/
ams AGPatricia Moosburger, Media Relationsphone: +43 (0) 3136
500 31235press@ams.comwww.ams.com
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