TDK‘s Newest MEMS Microphone T5828 with SoundWire™ Functionality Offers 68dBA SNR and Acoustic Activity Detect

时间： 2023-05-26 来源：TDK InvenSense News

技术问答

New T5828 is a MIPI SoundWire™ compliant MEMS microphone.
Offers 68dBA SNR and Acoustic Activity Detect features with always-on ultra-low power mode.

January 6, 2022——TDK Corporation introduces the T5828 SoundWire™ MEMS microphone as part of the SmartSound™ family of performance products for mobile, TWS, IoT, and other consumer devices. This family of high-performance microphones pushes the boundaries of microphone acoustic performance, providing advanced feature sets in small package footprints. The T5828 SoundWire™ MEMS microphone offers a high acoustic overload point (AOP) of 133dB SPL, a high signal-to-noise ratio (SNR) of 68dBA and a wide dynamic range, ideal for environments that shift from very quiet to very loud.

The T5828 microphone:

Offers very low power, wide dynamic range SoundWire™ Digital
Introduces Acoustic Activity Detect (AAD) to a SoundWire™ microphone for the first time allowing easy configuration within the SoundWire control protocol, including a very low power 20μA general purpose activity detection to a highly configurable voice activity detection feature.
Institutes new submodes within the existing High Quality and Low-Power modes allowing dynamic customization of mic performance including:
Enhanced AOP mode, 136dB SPL
Ultra-Low Power mode, 95μA (the first <100μA PDM microphone)

“TDK continues to expand the SoundWire™ ecosystem by introducing T5828, the most advanced SoundWire™ MEMS microphone available today,” said Ritesh Tyagi, Vice President of Product Management at InvenSense, a TDK group company. “In partnership with Qualcomm, we are demonstrating the advantages of SoundWire™ allowing a simple two-wire interface for up to eleven audio devices, a bi-directional audio data stream, and a superior control interface compared to other digital interfaces.”

Key applications

Smartphones

TWS earbuds

Tablets

Cameras

Bluetooth Headsets

Smart Speakers

Notebook PCs

Security and Surveillance

Key features and benefits

SoundWire interface

68dBA SNR

Enhanced AOP mode, 136dB SPL

Ultra-Low Power mode, 95μA (the first<100μA PDM microphone)

Small 3.5×2.65×0.98mm bottom port package RTC Input

Key Data

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