INMP411 High SPL Microphone with Bottom Port and Analog Output [EOL]

The INMP411 is a high performance, high SPL, low noise, low power, analog output bottom-ported, omnidirectional MEMS microphone. The INMP411 consists of a MEMS microphone element and an impedance converter amplifier. The INMP411 sensitivity specification makes it an excellent choice for both near field and far field applications. The INMP411 is pin-compatible with the INMP401 microphone, providing an easy upgrade path.

The INMP411 has a linear response up to 131 dB SPL. It offers high SNR and extended wideband frequency response resulting in natural sound with high intelligibility. Low current consumption enables long battery life for portable applications.

The INMP411 is available in a miniature 4.72 × 3.76 × 1.0 mm surface-mount package. It is reflow solder compatible with no sensitivity degradation.

Note: The INMP411 is marked as EOL and is not recommended for new designs

Product Details

Part # Market Status Output Port Location SNR AOP Sensitivity Package Size LF Cutoff
UNITS: dBA dB SPL dBV (mm) Hz

Not Recommended for New Designs

Part # Market Status Output Port Location SNR AOP Sensitivity Package Size LF Cutoff
UNITS: dBA dB SPL dBV (mm) Hz
INMP411
INMP411
EOL Analog Bottom 62 131 -46 4.72 x 3.76 x 1 28

Documentation & Resources

Features

  • 4.72 mm × 3.76 mm × 1.0 mm Surface Mount Package
  • 131 dB SPL Acoustic Overload Point
  • Sensitivity of −46 dBV
  • ±2 dB Sensitivity Tolerance
  • Omnidirectional Response
  • High SNR of 62 dBA
  • Extended Frequency Response from 28 Hz to 20 kHz
  • Low Current Consumption: < 250 µA
  • Single-Ended Analog Output
  • High PSR of −80 dB
  • Compatible with Sn/Pb and Pb-Free Solder Processes
  • RoHS/WEEE Compliant

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