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Infineon


MEMS Microphones for consumer

The IM72D128V01 is an ultra-high performance digital microphone designed for applications which require a very high SNR (low self-noise) and low distortions (high AOP). This microphone is based on Infineon’s new Sealed Dual Membrane MEMS technology which delivers high ingress protection (IP57) at a microphone level. The flat frequency response (20Hz low-frequency roll-off) and tight manufacturing tolerance improve performance of multi-microphone (array) applications. Different power modes can be selected in order to suit specific clock frequency and current consumption requirements.
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Infineon’s XENSIV™ MEMS analog microphone IM70A135 is a compact high-performance microphone with a very high acoustic overload point of 135 dBSPL and a size of only 3.50 x 2.65 x 1.00 mm3. This microphone is based on Infineon’s new Sealed Dual Membrane MEMS technology which delivers high ingress protection (IP57) at a microphone level. The small size makes this microphone especially suited for TWS earbud applications.
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Discover the IM69D128S – an ultra-low power digital XENSIVTM MEMS microphone, designed for applications which require high SNR (low self-noise), long battery life, and high reliability.Great signal-to-noise ratio (SNR) of 69 dB(A) enables crystal clear audio experience without compromising on battery life. Enabled by a revolutionary digital microphone ASIC, the IM69D128S sets a new benchmark by cutting current consumption to 520 μA – almost the half of what models with similar performance on the market can offer. Additionally, IM69D128S masters the art of switching between different power & performance profiles without any audible artifacts, i.e. glitches that the user can hear. This microphone is based on Infineon’s new Sealed Dual Membrane MEMS technology which delivers high ingress protection (IP57) at a microphone level.
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High performance digital XENSIVTM MEMS microphone IM70D122 makes the most out of Infineon´s Sealed Dual Membrane technology to meet a very high signal-to-noise ratio of 70 dB(A) and a very high sensitivity of -26 dBFS. Especially thanks to its high sensitivity and high SNR the IM70D122 is perfectly tailored for advanced audio capturing which can uplift the audio experience for laptops, tablets, cameras and conference systems. This microphone is based on Infineon’s new Sealed Dual Membrane MEMS technology which delivers high ingress protection (IP57) at a microphone level.
Models Available
Ultra-low noise digital XENSIVTM MEMS microphone IM73D122 is designed for applications which require a very high SNR (low self-noise) and a high sensitivity. The flat frequency response (20Hz low-frequency roll-off) and tight manufacturing tolerance improve performance of multi-microphone (array) applications. This microphone is based on Infineon’s new Sealed Dual Membrane MEMS technology which delivers high ingress protection (IP57) at a microphone level.The powerful mix of ultra-high SNR and high sensitivity empowers high quality audio capturing for voice user interface applications in laptops, tablets or conferencing devices.
Models Available
The IM68A130 is a high performance, single-ended, analog MEMS microphone designed for applications which require a low LFRO (10Hz), a high SNR (low self-noise), and low distortion (high AOP).The high signal-to-noise ratio (SNR) of 68dB(A) enables far field and low volume audio pick-up. The flat frequency response and tight manufacturing tolerance improve the performance of Active Noise Cancellation (ANC) and multi-microphone array applications.The high performance analog microphone ASIC contains an extremely low noise preamplifier providing constant current consumption (110µA) over VDD.
Models Available
IM69D127 is a digital high performance MEMS microphone based on Infineon’s new Sealed Dual Membrane MEMS technology which delivers high ingress protection (IP57) at a microphone level. Its small size of only 3.60 x 2.50 x 1.00 mm3 makes it a perfect match for compact audio devices, such as TWS earbuds.
Models Available
Infineon’s XENSIV™ MEMS analog microphone IM73A135 sets a new performance benchmark in MEMS microphones. A best-in-class signal to noise ratio (SNR) of 73 dB and a high acoustic overload point of 135 dBSPL enable clear audio pick up of the quietest and the loudest sounds. This microphone is based on Infineon’s new Sealed Dual Membrane MEMS technology which delivers high ingress protection (IP57) at a microphone level. The IM73A135 allows designers to reach a level of high audio performance that was previously only achievable by ECMs while at the same time reaping the benefits inherent in MEMS technology.
Models Available
IM69D130 is a high performance digital MEMS microphone making use of Infineon’s Dual Backplate MEMS technology to deliver 105dB dynamic range and high output linearity up to 130dBSPL. The application benefits are crystal clear audio signals, extended pick-up distance and sensitivity to both soft and loud signals - from whispered speech to rock concerts.
Models Available
If IM69D130 is used in a 16 bit audio signal chain, the full SNR performance would not be realized as the noise floor will be limited by the system dynamic range. IM69D120 has been specifically designed to preserve 69dB(A) SNR in a 16 bit system. This is achieved by increasing the microphone sensitivity to -26dBFS, and reducing the acoustic overload point to 120dBSPL. IM69D120 still offers all of the other benefits of IM69D130, such as high linearity, low latency and tight sensitivity and phase matching.IM69D120 is a high performance digital MEMS microphone making use of Infineon’s Dual Backplate MEMS technology to deliver 95dB dynamic range and high output linearity up to 120dBSPL. The application benefits are crystal-clear audio signals, extended pick-up distance and the ability to detect both soft and loud signals - from whispered speech to rock concerts.
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