INMP621 Wide Dynamic Range Microphone

InvenSense

Description

INMP621 Wide Dynamic Range Microphone with PDM Digital Output GENERAL .
The INMP621. is a high sound pressure level (SPL), ultra-low noise, low power, digital output, bottom ported omnidirectional MEMS microphone.

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Datasheet Specifications

Part number: INMP621
Manufacturer: InvenSense
File Size: 451.19 KB
Datasheet: INMP621-InvenSense.pdf
Description: Wide Dynamic Range Microphone

Features

* High Acoustic Overload Point of 133 dB SPL
* Small, Thin 4 × 3 × 1 mm Surface-Mount Package
* Omnidirectional Response
* Very High Signal-to-Noise Ratio (SNR): 65 dBA
* Sensitivity of
* 46 dBFS
* Extended Frequency Response from 45 Hz to >20 k

Applications

* The INMP621 is available in a thin 4 × 3 × 1 mm surfacemount package. It is reflow solder compatible with no sensitivity degradation.
* Protected by U. S. Patents 7,449,356; 7,825,484; 7,885,423; and 7,961,897. Other patents are pending. FUNCTIONAL BLOCK DIAGRAM INMP621 ADC PDM MODULATOR POWE

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INMP621 Wide Dynamic Range Microphone InvenSense

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