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Noise Cancelling Speaker Drivers target mobile accessories.

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May 14, 2010 - AS3410 and AS3430 Active Noise Cancelling (ANC) ICs offer greater than 20 dB noise reduction and SNR greater than 100 dB and THD of 0.1%. Operating off single AAA battery, units can run for more than 100 hr. Features include mic pre-amps, filter op amps, true ground headphone amp, mic gain calibration, LED driver, volume control and assisted hearing mode. Units suit headsets for mobile phones, music players, netbooks and eTablets.

austriamicrosystems Announces Highly Integrated Ambient Noise Cancelling Speaker Drivers


(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

austriamicrosystems AG
8141 Schloß
Premstatten, Austria



Press release date: May 4, 2010

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

Unterpremstaetten, Austria - 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 the 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% 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.
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