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R261 Datasheet(PDF) 1 Page - ON Semiconductor |
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R261 Datasheet(HTML) 1 Page - ON Semiconductor |
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1 / 28 page  © Semiconductor Components Industries, LLC, 2010 November, 2010 − Rev. P2 1 Publication Order Number: BR261/D BelaSigna R261 Advance Information Advanced Noise Reduction Solution for Voice Capture Devices Introduction BelaSigna® R261 is a complete system−on−chip (SoC) solution that provides advanced dual−microphone noise reduction in voice capture applications such as laptops, mobile phones, webcams, tablet computers and other applications that will benefit from improved voice clarity. Featuring a novel approach to removing mechanical, stationary and non−stationary noise, the chip preserves voice naturalness for greater speech intelligibility even when the talker is further away or not optimally aligned with microphones providing unmatched freedom of movement for end−users. Designed to be compatible with a wide range of codecs, baseband chips and microphones without the need for calibration, BelaSigna R261 is easy to integrate, improving manufacturers’ speed to market. Additional features include the ability to customize multiple voice capture modes and tune the algorithm to the unique needs of a manufacturer’s device. The chip includes a highly optimized DSP−based application controller with industry−leading energy efficiency and is packaged in two highly compact 5.3 mm2 WLCSPs to fit into even the most sized−constrained architectures and allow the use of the cheapest printed circuit board design technologies. Key Features • Advanced Two−Microphone Noise Reduction Algorithm • Preserves Voice Naturalness • Supports Close−Talk and Far−Talk • Conference Mode enables 360 Degrees Voice Pick−up • Configurable Algorithm Performance • Ultra Low Power Consumption • Ultra Miniature Form Factor • Complete System−on−Chip (SoC) • Highly Flexible Clocking Architecture • Hardware Configuration Interfaces • Prototyping Tools • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant Typical Applications • Laptop Computers • Mobile Phones • Tablet PCs • Webcams • Any Portable Audio Application with Voice Pick−up This document contains information on a new product. Specifications and information herein are subject to change without notice. http://onsemi.com BR261 W30 ALYW 1 MARKING DIAGRAMS WLCSP−30 W SUFFIX CASE 567CT See detailed ordering and shipping information in the package dimensions section on page 28 of this data sheet. ORDERING INFORMATION BR261 = BelaSigna R261 W30 = 30−ball version W26 = 26−ball version A = Assembly Location L = Wafer Lot YW = Date Code Year & Week = Pb−Free Package = A1 Corner Indicator WLCSP−26 W SUFFIX CASE 567CY BR261 W26 ALYW 1 |
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