Infineon Technologies AG Sensor technology - MEMS microphones - MEMS microphones for consumer - IM69D120 IM69D120

Description
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. Summary of Features 69 dB(A) signal-to-noise ratio 120dB SPL acoustic overload point Digital (PDM) interface with 6 μs group delay at 1 kHz Tight sensitivity (-26 ±1 dB) and phase (± 2 deg) tolerances 28 Hz low frequency roll-off Benefits High fidelity and far field audio recording Matched, noise and distortion free audio signals for advanced audio signal processing Ultra-low group delay for latency-critical applications No analog components required Potential Applications High quality audio capturing: e.g. cameras, camcorders, conference systems Voice user interface: e.g. smart speaker, home automation and IoT devices Active noise cancellation: headphones and earphones Audio pattern detection: predictive maintenance, security or safety applications Applications Edge server solutions Mobile devices and smartphones Smart speaker designs
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Sensor technology - MEMS microphones - MEMS microphones for consumer - IM69D120 - IM69D120 - Infineon Technologies AG
Neubiberg, Germany
Sensor technology - MEMS microphones - MEMS microphones for consumer - IM69D120
IM69D120
Sensor technology - MEMS microphones - MEMS microphones for consumer - IM69D120 IM69D120
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. Summary of Features 69 dB(A) signal-to-noise ratio 120dB SPL acoustic overload point Digital (PDM) interface with 6 μs group delay at 1 kHz Tight sensitivity (-26 ±1 dB) and phase (± 2 deg) tolerances 28 Hz low frequency roll-off Benefits High fidelity and far field audio recording Matched, noise and distortion free audio signals for advanced audio signal processing Ultra-low group delay for latency-critical applications No analog components required Potential Applications High quality audio capturing: e.g. cameras, camcorders, conference systems Voice user interface: e.g. smart speaker, home automation and IoT devices Active noise cancellation: headphones and earphones Audio pattern detection: predictive maintenance, security or safety applications Applications Edge server solutions Mobile devices and smartphones Smart speaker designs

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.


Summary of Features

  • 69 dB(A) signal-to-noise ratio
  • 120dB SPL acoustic overload point
  • Digital (PDM) interface with 6 μs group delay at 1 kHz
  • Tight sensitivity (-26 ±1 dB) and phase (± 2 deg) tolerances
  • 28 Hz low frequency roll-off

Benefits

  • High fidelity and far field audio recording
  • Matched, noise and distortion free audio signals for advanced audio signal processing
  • Ultra-low group delay for latency-critical applications
  • No analog components required

Potential Applications

  • High quality audio capturing: e.g. cameras, camcorders, conference systems
  • Voice user interface: e.g. smart speaker, home automation and IoT devices
  • Active noise cancellation: headphones and earphones
  • Audio pattern detection: predictive maintenance, security or safety applications

Applications

  • Edge server solutions
  • Mobile devices and smartphones
  • Smart speaker designs
Supplier's Site Datasheet

Technical Specifications

  Infineon Technologies AG
Product Category Audio Microphones
Product Number IM69D120
Product Name Sensor technology - MEMS microphones - MEMS microphones for consumer - IM69D120
SN Ratio 69 dB
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