austriamicrosystems announces highly integrated ambient noise cancelling speaker drivers

AS3410/30 dramatically improve listening quality in mobile accessories with minimal impact on power consumption

(PresseBox) (Unterpremstaetten, ) austriamicrosystems (SIX: AMS), a leading global designer and manufacturer of high performance analog ICs, announced the AS3410 and AS3430 Active Noise Cancelling (ANC)
ICs for mobile accessories such as headphones. These fully analog devices enhance speech or music intelligibility by reducing low frequency noise on the receive path. The AS3410 and AS3430 provide industry's lowest BOM cost and low power consumption through a high level of functional integration.

The AS3410 ANC IC is ideally suited for feed-forward topology enabling small, cost-effective solutions targeting on-ear and in-ear devices. The AS3430 addresses feedback topologies resulting in end products with superior noise cancelling capabilities but with a more complex design. Both devices include; mic pre-amps, filter op amps, true ground headphone amp, mic gain calibration, LED driver, volume control and an assisted hearing mode. These features enable PCB space savings of up to 50% as compared to discrete implementations.

The AS3410 and AS3430 Active Noise Cancellation ICs provide a level of performance unmatched by competitive solutions with > 20 dB noise reduction achievable and SNR of >100 dB and THD of 0.1%. Running off a single AAA battery these devices support operating life of > 100 hours, making them well suited for headsets for mobile phones, music players, netbooks and eTablets.

"With an extensive set of development tools and comprehensive documentation, these new ANC products enable rapid prototyping and system optimization, simplifying development and reducing time to market," commented Oliver Jones, austriamicrosystems' Marketing Manager for Audio products. "In addition, this expansion to our existing Active Noise Cancelling portfolio simplifies the production process for headsets due to the integrated calibration feature and reprogrammability."

The AS3410 is available in a 24-pin 4x4 mm QFN package and is priced at $2.55 for 1000 piece quantities. The AS3430 is housed in a 32-pin 5x5 mm QFN package and is priced at $4.55 for 1000 piece quantities. Both operate from a 1.0 to 1.8 V supply over a temperature range of -20 to +85 °C.

For further information on the AS3410/30 Active Noise Cancellation ICs or to request samples, please visit www.austriamicrosystems.com/ANC.

Experience how Active Noise Cancelling reduces unwanted environmental noise to enhance the clarity of sound with our ANC Demo at www.austriamicrosystems.com/ANC-Demo.

ams AG

austriamicrosystems is a leading designer and manufacturer of standard and customized high-performance analog ICs in the areas of power management, sensors & sensor interfaces and mobile infotainment. Complemented by its full service foundry services, the company focuses on the communications, industrial & medical and automotive markets. austriamicrosystems leverages more that 28 years of expertise in low power and high accuracy to provide industry-leading products, operating worldwide with more that 1,000 employees with its own state-of-the-art manufacturing and test facilities. austriamicrosystems is listed on the SIX Swiss Exchange in Zurich (ticker symbol: AMS). For more information, visit www.austriamicrosystems.com

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