INMP441 is a performance, low power, digital output, omnidirectional MEMS microphone with a bottom port. Key benefits and features Direct digital interface: connects to digital processors such as DSPs and microcontrollers via a 24bit I2S interface, eliminating the need for an external audio codec. Complete solution: MEMS sensor, signal conditioning, analogtodigital converter, antialiasing filter, and power management are integrated into the INMP441. audio quality: SNR and a flat wideband frequency response deliver natural, intelligible sound in nearfield applications. Simple wiring: easy installation and integration, suitable for compact setups. What it includes MEMS microphone with bottom port Integrated signal conditioning and ADC Antialiasing filter and power management Industry standard 24bit I2S digital interface Compatibility and performance Compatible with digital processors (DSPs, microcontrollers) that support 24bit I2S Omnidirectional pickup pattern for broad capture in closerange environments Low power consumption ideal for portable or embedded systems Flat wideband response supports clear, intelligible voice with natural timbre Physical and installation notes Bottomport design aids compact enclosure layouts Wiring remains straightforward, reducing design complexity Use scenarios Small meetings and ad hoc meetings: quality voice capture for conferencing or collaboration systems in tight spaces without the need for an external codec. Remote discussions and telepresence setups: direct digital connection to DSPs or MCUs enables simplified audio pipelines without the need for an external codec. Remote operations and field deployments: compact, lowpower digital microphone that integrates easily into control systems or remote monitoring equipment. INMP441 provides a professional, reliable, and straightforward digital microphone solution with strong conversionready performance for modern audio processing workflows.