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TDK Presents T5818 PDM Microphone

TDK Corporation has recently announced the T5818 Pulse Density Modulation (PDM) microphone with a dynamic range of 107dB at 590µA, the widest dynamic range in the industry at the lowest power.

TDKThis allows for excellent acoustic performance in environments that shift from very quiet to very loud, such as far field voice pickup barge-in for Smart Speaker applications.

The T5818 microphone features 66dBA SNR, 135dB SPL AOP, at 590 µA in High Quality Mode (HQM), and decreases power consumption to 215 µA in Low Power Mode (LPM).

This microphone is essential for capturing high quality audio inputs, which plays a vital role for AI engines and cloud-based applications that require a PDM microphone interface.

Current analog output wide dynamic range microphones require expensive ADCs to take advantage of full acoustic capabilities. The T5818 provides this ADC conversion while maintaining excellent dynamic range with the benefits of a PDM low latency bit stream. This makes the T5818 suitable for a wide range of applications, from mobile phones to ANC headsets.

“We are very excited about the advances in PDM performance included in the T5818,” said Hiro Hayashi, Vice President, Audio, InvenSense, a TDK Group Company. “This microphone compliments our market leading analog portfolio, solidifying TDK’s performance leadership in MEMS microphone technolgy.”

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Nitisha Dubey

A diligent writer, who has been working from last five years in the same field. She has covered lots of event and expo for travel & judiciary, now covering technology. Book reading, exploring different destinations and varieties of cuisine are some hobbies. Love to watch biographies and historical movies.

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