29 May '13, 12pm

Wolfson to move integrated MEMS mics to 8in wafers

Wolfson Microelectronics plc is integrating digital signal processing on the same die as its MEMs microphones and moving production to 8in (200mm) wafers in the first to make the move. The boom in audio-enabled devices for noise cancellation and voice control is driving more microphones in devices, says Allan Hughes, chief operating officer of the Edinburgh mixed signal silicon designer. This is driving integration and higher volumes. “One of the things we feel quietly confident about is integrating the separate transducer and the ASIC,” he said. “We can combine these two chips (left) into a single chip microphone and today we know of no one else that can do that.” “We still have to productionize it but we think it will be 50 % the size and 25% of the power,” said Hughes. “We are not overly concerned about capacity and production will be in the hundreds of millions of unit...

Full article: http://www.eetimes.com/electronics-news/4415211/Wolfson-t...

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