{"product_id":"inmp441-mems-microphone-module-i2s-digital-interface","title":"INMP441 MEMS Microphone Module with I2S Digital Interface for ESP32, Raspberry Pi \u0026 STM32","description":"\u003cp data-start=\"1350\" data-end=\"1811\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"1354\" data-end=\"1415\"\u003eINMP441 MEMS Microphone Module with I2S Digital Interface\u003c\/strong\u003e is a high-performance omnidirectional digital microphone designed for high-quality audio capture in embedded systems. Featuring a \u003cstrong data-start=\"1546\" data-end=\"1575\"\u003e24-bit I2S digital output\u003c\/strong\u003e, it connects directly to ESP32, Raspberry Pi, STM32 and other compatible controllers without requiring an external ADC, making it ideal for voice recognition, smart assistants and IoT applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"mzm7mz\" data-start=\"1818\" data-end=\"1839\"\u003eDescription\u003c\/h3\u003e\n\u003cp data-start=\"1841\" data-end=\"2265\"\u003eThe \u003cstrong data-start=\"1845\" data-end=\"1879\"\u003eINMP441 MEMS Microphone Module\u003c\/strong\u003e is a compact digital audio sensor that combines a MEMS microphone element, signal conditioning, analog-to-digital conversion and a \u003cstrong data-start=\"2011\" data-end=\"2043\"\u003e24-bit I2S digital interface\u003c\/strong\u003e into a single module. Unlike analog microphone modules, it outputs digital audio data directly, reducing noise and simplifying integration with modern microcontrollers and processors. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2267\" data-end=\"2684\"\u003eWith its \u003cstrong data-start=\"2276\" data-end=\"2310\"\u003eomnidirectional pickup pattern\u003c\/strong\u003e, the module captures sound from all directions, making it suitable for speech recognition, audio recording, smart home devices, conference systems, robotics and IoT applications. The module supports \u003cstrong data-start=\"2510\" data-end=\"2549\"\u003eleft or right I2S channel selection\u003c\/strong\u003e through the L\/R pin, allowing two microphones to share the same I2S bus for stereo applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2686\" data-end=\"3139\"\u003eOperating from a \u003cstrong data-start=\"2703\" data-end=\"2723\"\u003e1.8V–3.3V supply\u003c\/strong\u003e, the INMP441 offers \u003cstrong data-start=\"2744\" data-end=\"2769\"\u003elow power consumption\u003c\/strong\u003e, a \u003cstrong data-start=\"2773\" data-end=\"2805\"\u003e61 dBA signal-to-noise ratio\u003c\/strong\u003e, and a \u003cstrong data-start=\"2813\" data-end=\"2848\"\u003e60 Hz–15 kHz frequency response\u003c\/strong\u003e, providing clear and natural voice capture for embedded audio systems. Whether you're developing an ESP32 voice assistant, Raspberry Pi audio recorder or an STM32-based sound acquisition project, this module delivers reliable digital audio performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"u0ybrq\" data-start=\"3146\" data-end=\"3160\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"3162\" data-end=\"3519\"\u003e\n\u003cli data-section-id=\"1xa81ky\" data-start=\"3162\" data-end=\"3187\"\u003eDigital MEMS Microphone\u003c\/li\u003e\n\u003cli data-section-id=\"18edgdj\" data-start=\"3188\" data-end=\"3225\"\u003eIndustry-Standard 24-bit I2S Output\u003c\/li\u003e\n\u003cli data-section-id=\"1pamhyf\" data-start=\"3226\" data-end=\"3256\"\u003eOmnidirectional Audio Pickup\u003c\/li\u003e\n\u003cli data-section-id=\"mzhg1p\" data-start=\"3257\" data-end=\"3294\"\u003eHigh Signal-to-Noise Ratio (61 dBA)\u003c\/li\u003e\n\u003cli data-section-id=\"lwvudi\" data-start=\"3295\" data-end=\"3318\"\u003eLow Power Consumption\u003c\/li\u003e\n\u003cli data-section-id=\"5ds2m3\" data-start=\"3319\" data-end=\"3345\"\u003eNo External ADC Required\u003c\/li\u003e\n\u003cli data-section-id=\"kzoa4f\" data-start=\"3346\" data-end=\"3376\"\u003eLeft\/Right Channel Selection\u003c\/li\u003e\n\u003cli data-section-id=\"19gndkc\" data-start=\"3377\" data-end=\"3397\"\u003eCompact PCB Design\u003c\/li\u003e\n\u003cli data-section-id=\"lxlndi\" data-start=\"3398\" data-end=\"3427\"\u003eStable Digital Audio Output\u003c\/li\u003e\n\u003cli data-section-id=\"1hug8aq\" data-start=\"3428\" data-end=\"3468\"\u003eEasy Integration with Embedded Systems\u003c\/li\u003e\n\u003cli data-section-id=\"qd2ze6\" data-start=\"3469\" data-end=\"3519\"\u003eSuitable for Voice Recognition \u0026amp; Audio Recording\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1z26u5\" data-start=\"3526\" data-end=\"3561\"\u003eVerified Technical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3563\" data-end=\"4089\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3563\" data-end=\"3590\"\u003e\n\u003ctr data-start=\"3563\" data-end=\"3590\"\u003e\n\u003cth data-start=\"3563\" data-end=\"3579\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"3579\" data-end=\"3590\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3618\" data-end=\"4089\"\u003e\n\u003ctr data-start=\"3618\" data-end=\"3667\"\u003e\n\u003ctd data-start=\"3618\" data-end=\"3633\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-start=\"3633\" data-end=\"3667\" data-col-size=\"sm\"\u003eDigital MEMS Microphone Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3668\" data-end=\"3687\"\u003e\n\u003ctd data-start=\"3668\" data-end=\"3676\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-start=\"3676\" data-end=\"3687\" data-col-size=\"sm\"\u003eINMP441\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3688\" data-end=\"3715\"\u003e\n\u003ctd data-start=\"3688\" data-end=\"3700\" data-col-size=\"sm\"\u003eInterface\u003c\/td\u003e\n\u003ctd data-start=\"3700\" data-end=\"3715\" data-col-size=\"sm\"\u003eI2S Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3716\" data-end=\"3745\"\u003e\n\u003ctd data-start=\"3716\" data-end=\"3735\" data-col-size=\"sm\"\u003eAudio Resolution\u003c\/td\u003e\n\u003ctd data-start=\"3735\" data-end=\"3745\" data-col-size=\"sm\"\u003e24-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3746\" data-end=\"3782\"\u003e\n\u003ctd data-start=\"3746\" data-end=\"3766\" data-col-size=\"sm\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd data-start=\"3766\" data-end=\"3782\" data-col-size=\"sm\"\u003e1.8V–3.3V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3783\" data-end=\"3823\"\u003e\n\u003ctd data-start=\"3783\" data-end=\"3813\" data-col-size=\"sm\"\u003eTypical Current Consumption\u003c\/td\u003e\n\u003ctd data-start=\"3813\" data-end=\"3823\" data-col-size=\"sm\"\u003e1.4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3824\" data-end=\"3863\"\u003e\n\u003ctd data-start=\"3824\" data-end=\"3845\" data-col-size=\"sm\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd data-start=\"3845\" data-end=\"3863\" data-col-size=\"sm\"\u003e60 Hz – 15 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3864\" data-end=\"3898\"\u003e\n\u003ctd data-start=\"3864\" data-end=\"3888\" data-col-size=\"sm\"\u003eSignal-to-Noise Ratio\u003c\/td\u003e\n\u003ctd data-start=\"3888\" data-end=\"3898\" data-col-size=\"sm\"\u003e61 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3899\" data-end=\"3925\"\u003e\n\u003ctd data-start=\"3899\" data-end=\"3913\" data-col-size=\"sm\"\u003eSensitivity\u003c\/td\u003e\n\u003ctd data-start=\"3913\" data-end=\"3925\" data-col-size=\"sm\"\u003e-26 dBFS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3926\" data-end=\"3962\"\u003e\n\u003ctd data-start=\"3926\" data-end=\"3943\" data-col-size=\"sm\"\u003ePickup Pattern\u003c\/td\u003e\n\u003ctd data-start=\"3943\" data-end=\"3962\" data-col-size=\"sm\"\u003eOmnidirectional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3963\" data-end=\"3999\"\u003e\n\u003ctd data-start=\"3963\" data-end=\"3983\" data-col-size=\"sm\"\u003eChannel Selection\u003c\/td\u003e\n\u003ctd data-start=\"3983\" data-end=\"3999\" data-col-size=\"sm\"\u003eLeft \/ Right\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4000\" data-end=\"4089\"\u003e\n\u003ctd data-start=\"4000\" data-end=\"4024\" data-col-size=\"sm\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-start=\"4024\" data-end=\"4050\" data-col-size=\"sm\"\u003e-40°C to +85°C (sensor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-section-id=\"1i2miyw\" data-start=\"4096\" data-end=\"4111\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp data-start=\"4113\" data-end=\"4129\"\u003eCompatible with:\u003c\/p\u003e\n\u003cul data-start=\"4131\" data-end=\"4351\"\u003e\n\u003cli data-section-id=\"17193lb\" data-start=\"4131\" data-end=\"4138\"\u003eESP32\u003c\/li\u003e\n\u003cli data-section-id=\"1kokeub\" data-start=\"4139\" data-end=\"4149\"\u003eESP32-S2\u003c\/li\u003e\n\u003cli data-section-id=\"1kokeua\" data-start=\"4150\" data-end=\"4160\"\u003eESP32-S3\u003c\/li\u003e\n\u003cli data-section-id=\"obmunz\" data-start=\"4161\" data-end=\"4175\"\u003eRaspberry Pi\u003c\/li\u003e\n\u003cli data-section-id=\"1oqd0x6\" data-start=\"4176\" data-end=\"4195\"\u003eRaspberry Pi Pico\u003c\/li\u003e\n\u003cli data-section-id=\"xo9t09\" data-start=\"4196\" data-end=\"4222\"\u003eSTM32 Development Boards\u003c\/li\u003e\n\u003cli data-section-id=\"en8x72\" data-start=\"4223\" data-end=\"4256\"\u003eArduino boards with I2S support\u003c\/li\u003e\n\u003cli data-section-id=\"1mde48c\" data-start=\"4257\" data-end=\"4301\"\u003eESP8266 (with suitable I2S implementation)\u003c\/li\u003e\n\u003cli data-section-id=\"lcm8jd\" data-start=\"4302\" data-end=\"4315\"\u003eDSP Systems\u003c\/li\u003e\n\u003cli data-section-id=\"1sao3u1\" data-start=\"4316\" data-end=\"4351\"\u003eDigital Audio Processing Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"c3mln3\" data-start=\"4358\" data-end=\"4372\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"4374\" data-end=\"4671\"\u003e\n\u003cli data-section-id=\"5f6mz3\" data-start=\"4374\" data-end=\"4401\"\u003eVoice Recognition Systems\u003c\/li\u003e\n\u003cli data-section-id=\"lwlrw6\" data-start=\"4402\" data-end=\"4420\"\u003eSmart Assistants\u003c\/li\u003e\n\u003cli data-section-id=\"18njpw3\" data-start=\"4421\" data-end=\"4438\"\u003eAudio Recording\u003c\/li\u003e\n\u003cli data-section-id=\"ulqt1n\" data-start=\"4439\" data-end=\"4458\"\u003eSpeech Processing\u003c\/li\u003e\n\u003cli data-section-id=\"1cbstdd\" data-start=\"4459\" data-end=\"4472\"\u003eIoT Devices\u003c\/li\u003e\n\u003cli data-section-id=\"163agkh\" data-start=\"4473\" data-end=\"4496\"\u003eSmart Home Automation\u003c\/li\u003e\n\u003cli data-section-id=\"g0eet1\" data-start=\"4497\" data-end=\"4507\"\u003eRobotics\u003c\/li\u003e\n\u003cli data-section-id=\"1n690ci\" data-start=\"4508\" data-end=\"4534\"\u003eSound Detection Projects\u003c\/li\u003e\n\u003cli data-section-id=\"1yubk25\" data-start=\"4535\" data-end=\"4562\"\u003eDigital Audio Acquisition\u003c\/li\u003e\n\u003cli data-section-id=\"4n8p2\" data-start=\"4563\" data-end=\"4587\"\u003eEmbedded Audio Systems\u003c\/li\u003e\n\u003cli data-section-id=\"1lzqfvk\" data-start=\"4588\" data-end=\"4608\"\u003eConference Systems\u003c\/li\u003e\n\u003cli data-section-id=\"g6hmrf\" data-start=\"4609\" data-end=\"4671\"\u003ePortable Audio Devices \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"hg9dub\" data-start=\"4678\" data-end=\"4696\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cul data-start=\"4698\" data-end=\"4761\"\u003e\n\u003cli data-section-id=\"1ehjibe\" data-start=\"4698\" data-end=\"4761\"\u003e1 × INMP441 MEMS Microphone Module with I2S Digital Interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1bujgeb\" data-start=\"4768\" data-end=\"4785\"\u003eImportant Notes\u003c\/h3\u003e\n\u003cul data-start=\"4787\" data-end=\"5078\"\u003e\n\u003cli data-section-id=\"ta189y\" data-start=\"4787\" data-end=\"4825\"\u003eOperates with \u003cstrong data-start=\"4803\" data-end=\"4819\"\u003e1.8V–3.3V DC\u003c\/strong\u003e only.\u003c\/li\u003e\n\u003cli data-section-id=\"1yzhzv9\" data-start=\"4826\" data-end=\"4895\"\u003eThis is a \u003cstrong data-start=\"4838\" data-end=\"4864\"\u003edigital I2S microphone\u003c\/strong\u003e, \u003cstrong data-start=\"4866\" data-end=\"4873\"\u003enot\u003c\/strong\u003e an analog microphone.\u003c\/li\u003e\n\u003cli data-section-id=\"1ur6fab\" data-start=\"4896\" data-end=\"4949\"\u003eRequires an I2S-compatible controller or processor.\u003c\/li\u003e\n\u003cli data-section-id=\"1u6qhz2\" data-start=\"4950\" data-end=\"5078\"\u003eConfigure the \u003cstrong data-start=\"4966\" data-end=\"4973\"\u003eL\/R\u003c\/strong\u003e pin correctly when using multiple microphones on the same I2S bus. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"2xgsg0\" data-start=\"5085\" data-end=\"5108\"\u003eWhy Buy from Chip.pk?\u003c\/h3\u003e\n\u003cul data-start=\"5110\" data-end=\"5362\"\u003e\n\u003cli data-section-id=\"1iqwzql\" data-start=\"5110\" data-end=\"5141\"\u003eGenuine electronic components\u003c\/li\u003e\n\u003cli data-section-id=\"8z38hz\" data-start=\"5142\" data-end=\"5167\"\u003eQuality-tested products\u003c\/li\u003e\n\u003cli data-section-id=\"3x819r\" data-start=\"5168\" data-end=\"5209\"\u003eRetail \u0026amp; wholesale quantities available\u003c\/li\u003e\n\u003cli data-section-id=\"l45g6o\" data-start=\"5210\" data-end=\"5241\"\u003eFast delivery across Pakistan\u003c\/li\u003e\n\u003cli data-section-id=\"1pedf4w\" data-start=\"5242\" data-end=\"5260\"\u003eSecure packaging\u003c\/li\u003e\n\u003cli data-section-id=\"pba99i\" data-start=\"5261\" data-end=\"5296\"\u003eTechnical support before purchase\u003c\/li\u003e\n\u003cli data-section-id=\"pk0uwm\" data-start=\"5297\" data-end=\"5362\"\u003eTrusted supplier for students, engineers, makers and industries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"195ecoo\" data-start=\"5369\" data-end=\"5404\"\u003eFrequently Asked Questions (FAQs)\u003c\/h3\u003e\n\u003ch3 data-section-id=\"132s9hu\" data-start=\"5406\" data-end=\"5446\"\u003eIs the INMP441 an analog microphone?\u003c\/h3\u003e\n\u003cp data-start=\"5448\" data-end=\"5616\"\u003eNo. The INMP441 outputs \u003cstrong data-start=\"5472\" data-end=\"5513\"\u003edigital audio using the I2S interface\u003c\/strong\u003e, so it does not require an external analog-to-digital converter. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1yaceva\" data-start=\"5618\" data-end=\"5655\"\u003eCan I use this module with ESP32?\u003c\/h3\u003e\n\u003cp data-start=\"5657\" data-end=\"5825\"\u003eYes. The INMP441 is widely used with ESP32 development boards for voice recognition, audio recording and smart assistant projects. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1x0p32n\" data-start=\"5827\" data-end=\"5861\"\u003eWhat is the operating voltage?\u003c\/h3\u003e\n\u003cp data-start=\"5863\" data-end=\"5946\"\u003eThe module operates from \u003cstrong data-start=\"5888\" data-end=\"5907\"\u003e1.8V to 3.3V DC\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ymq5at\" data-start=\"5948\" data-end=\"5997\"\u003eCan two INMP441 microphones be used together?\u003c\/h3\u003e\n\u003cp data-start=\"5999\" data-end=\"6191\"\u003eYes. By configuring one module as the left channel and the other as the right channel using the \u003cstrong data-start=\"6095\" data-end=\"6102\"\u003eL\/R\u003c\/strong\u003e pin, two microphones can share the same I2S bus. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Chip.pk","offers":[{"title":"Default Title","offer_id":51999189696797,"sku":null,"price":650.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/1060\/7389\/files\/inmp441-mems-microphone-module-i2s-digital-interface_Front.png?v=1783624534","url":"https:\/\/www.chip.pk\/products\/inmp441-mems-microphone-module-i2s-digital-interface","provider":"Chip.pk","version":"1.0","type":"link"}