{"product_id":"inmp441-omnidirectional-mems-microphone-module-with-i2s-interface-for-esp32-arduino","title":"INMP441 Omnidirectional MEMS Microphone Module with I2S Interface for ESP32 \u0026 Arduino","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eINMP441 MEMS High Precision Omnidirectional Microphone Module (I2S)\u003c\/span\u003e\u003c\/h2\u003e\nThe \u003cstrong\u003eINMP441\u003c\/strong\u003e is a high-performance, low-power, \u003cstrong\u003edigital output omnidirectional MEMS microphone\u003c\/strong\u003e featuring a bottom-port acoustic design. It integrates a MEMS sensor, signal conditioning circuitry, \u003cstrong\u003eADC\u003c\/strong\u003e, anti-aliasing filter, power management, and an industry-standard \u003cstrong\u003e24-bit I2S interface\u003c\/strong\u003e into a single compact module. \u003cbr\u003e\u003cbr\u003eThanks to its \u003cstrong\u003eI2S digital interface\u003c\/strong\u003e, the INMP441 can be directly connected to \u003cstrong\u003emicrocontrollers, DSPs, and processors\u003c\/strong\u003e such as the ESP32 without requiring an external audio codec. With a \u003cstrong\u003ehigh signal-to-noise ratio (61 dBA)\u003c\/strong\u003e, flat wideband frequency response, and excellent sensitivity, this microphone is ideal for \u003cstrong\u003enear-field audio capture\u003c\/strong\u003e and high-definition sound applications.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eDigital I2S interface with high-precision 24-bit audio data\u003c\/li\u003e\n\u003cli\u003eHigh signal-to-noise ratio of 61 dBA\u003c\/li\u003e\n\u003cli\u003eHigh sensitivity of -26 dBFS\u003c\/li\u003e\n\u003cli\u003eStable and flat frequency response from 60 Hz to 15 kHz\u003c\/li\u003e\n\u003cli\u003eLow power consumption (typical current 1.4 mA)\u003c\/li\u003e\n\u003cli\u003eHigh power supply rejection ratio (PSR): -75 dBFS\u003c\/li\u003e\n\u003cli\u003eOmnidirectional MEMS microphone\u003c\/li\u003e\n\u003cli\u003eIdeal for direct connection to microcontrollers and DSPs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eInterface Definition\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eSCK: Serial clock for I2S interface\u003c\/li\u003e\n\u003cli\u003eWS: Word select (left\/right channel selection)\u003c\/li\u003e\n\u003cli\u003eL\/R: Channel select (Low = Left, High = Right)\u003c\/li\u003e\n\u003cli\u003eSD: Serial data output\u003c\/li\u003e\n\u003cli\u003eVCC: Power input (1.8V – 3.3V)\u003c\/li\u003e\n\u003cli\u003eGND: Ground\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eESP32 Connection Reference\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eSCK → GPIO14\u003c\/li\u003e\n\u003cli\u003eSD → GPIO32\u003c\/li\u003e\n\u003cli\u003eWS → GPIO15\u003c\/li\u003e\n\u003cli\u003eL\/R → GND\u003c\/li\u003e\n\u003cli\u003eGND → GND\u003c\/li\u003e\n\u003cli\u003eVDD → 3.3V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eItem Type: MEMS Microphone Module\u003c\/li\u003e\n\u003cli\u003eModel: INMP441\u003c\/li\u003e\n\u003cli\u003eInterface: Digital I2S\u003c\/li\u003e\n\u003cli\u003eData Resolution: 24-bit\u003c\/li\u003e\n\u003cli\u003eFrequency Range: 60 Hz – 15 kHz\u003c\/li\u003e\n\u003cli\u003eSignal-to-Noise Ratio: 61 dBA\u003c\/li\u003e\n\u003cli\u003eSensitivity: -26 dBFS\u003c\/li\u003e\n\u003cli\u003eCurrent Consumption: 1.4 mA (typical)\u003c\/li\u003e\n\u003cli\u003ePower Supply Rejection (PSR): -75 dBFS\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: 1.8V – 3.3V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eApplications\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eVoice recognition systems\u003c\/li\u003e\n\u003cli\u003eAudio recording and sound detection\u003c\/li\u003e\n\u003cli\u003eESP32 and IoT audio projects\u003c\/li\u003e\n\u003cli\u003eSmart speakers and voice assistants\u003c\/li\u003e\n\u003cli\u003eSpeech processing and noise monitoring\u003c\/li\u003e\n\u003cli\u003eEmbedded audio applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eCompact PCB module design\u003c\/li\u003e\n\u003cli\u003eBottom-port MEMS microphone structure\u003c\/li\u003e\n\u003cli\u003eWeight: 1g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 × INMP441 MEMS High Precision Omnidirectional Microphone Module (I2S)\u003c\/li\u003e\n\u003cli\u003e2 × 3 Pin Male Header\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":48653768687868,"sku":"KG1312","price":448.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/INMP441OmnidirectionalMEMS_3.jpg?v=1767764682","url":"https:\/\/kitsguru.com\/products\/inmp441-omnidirectional-mems-microphone-module-with-i2s-interface-for-esp32-arduino","provider":"KitsGuru","version":"1.0","type":"link"}