ams innovation delivers the world’s most accurate digital temperature sensor for wearable devices and data centers

News facts:

  • AS6221 is a complete temperature system, achieving a measurement accuracy of ±0.09°C, outperforming competitive digital temperature sensor chips
  • The sensor enables more accurate body/skin temperature measurement
    performance in health and lifestyle monitoring products
  • Miniaturized package with a footprint of just 1.5mm x 1mm
  • Breakthrough temperature sensor performance brings new value to demanding
    applications including thermal monitoring in high-end electronics devices and data centers

Prams (SIX: AMS), a leading worldwide supplier of high performance sensor solutions, today announced the launch of the AS6221, the world’s most accurate digital temperature sensor.

The AS6221 achieves measurement accuracy of ±0.09°C, over a temperature range from 20°C to 42°C, making it ideal for the measurement of human body or skin temperature. No competing digital temperature sensor on the market today can achieve accuracy better than ±0.10°C.

The AS6221 is housed in a WLCSP package with a footprint of just 1.5mm x 1mm, and draws 6µA at an output data rate of 4Hz. Stand-by current is just 0.1µA.

This compact and low-power sensor is well suited to battery-powered portable and wearable devices, such as premium lifestyle or fitness monitoring wristbands, and smart watches. In high-end computing systems and servers, it also enables the precise regulation of the operation of the processor to maximize system throughput while avoiding overheating.

The introduction of the AS6221 extends ams’ position in the market for health monitoring technology, alongside existing products such as the AS7038RB blood oxygen monitoring device, AS7030B biosensor, devices for medical imaging systems, and the NanEye family of image sensors for endoscopy.

Alexander Rensink, Business Segment Manager Position Sensors at ams, said: “In high-end consumer products such as smart watches and lifestyle monitoring wristbands, skin temperature is a critical metric, and so design engineers devote an enormous amount of time and effort to achieving and then validating high temperature measurement accuracy across all operating conditions. The introduction today of the AS6221 makes that task easier, providing more accurate measurement outputs, easing the integration of temperature sensing into the system, and giving flexibility to support a range of operating voltages.”

The high accuracy of the AS6221 is specified across the device’s entire supply voltage range of 1.7V to 3.6V. By contrast, the most accurate competing sensors can only achieve their highest accuracy at a single voltage point, producing less accurate outputs across the rest of their operating voltage range.

The sensor offers a short measurement conversion time of 35ms. Its full operating temperature range is -40°C to 125°C.

Convenient digital output options

A complete digital temperature sensor system, the AS6221 requires no calibration or linearization. It provides its measurement outputs via a standard I2C interface, and includes eight I2C addresses.

The AS6221 also offers an alarm function, to alert the user when a temperature threshold is crossed. The temperature value for the alarm function may be set by a host processor via the device’s register instruction set.

The AS6221 temperature sensor is available for sampling. For sample requests or for more technical information, go to https://ams.com/AS6221.

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Über die ams-OSRAM AG

ams is a global leader in the design and manufacture of advanced sensor solutions. Our mission is to shape the world with sensor solutions by providing a seamless interface between humans and technology.

ams’ high-performance sensor solutions drive applications requiring small form factor, low power, highest sensitivity and multi-sensor integration. Products include sensor solutions, sensor ICs, interfaces and related software for consumer, communications, industrial, medical, and automotive markets.

With headquarters in Austria, ams employs around 9,000 people globally and serves more than 8,000 customers worldwide. ams is listed on the SIX Swiss Exchange (ticker symbol: AMS). More information about ams can be found at https://ams.com.

ams is a registered trademark of ams AG. In addition many of our products and services are registered or filed trademarks of ams Group. All other company or product names mentioned herein may be trademarks or registered trademarks of their respective owners. Information provided in this press release is accurate at time of publication and is subject to change without advance notice.

Firmenkontakt und Herausgeber der Meldung:

ams-OSRAM AG
Tobelbader Strasse 30
A8141 Premstaetten
Telefon: +43 (3136) 500-0
https://ams.com

Ansprechpartner:
Amy Flecher
Vice President Marketing Communications
E-Mail: press@ams.com
Patricia Moosburger
Senior Manager
Telefon: +43 (3136) 50031235
E-Mail: patricia.moosburger@ams.com
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