INMP441 is a performance, low power, digital output, omnidirectional MEMS microphone with bottom port. The complete INMP441 solution consists of MEMS sensor signal conditioning analog to digital converter antialiasing filter power management industry standard 24bit I2S interface The 24bit I2S interface allows the INMP441 to be connected directly to digital processors such as DSPs and microcontrollers without the need for an audio codec for use in the system. Benefits and key attributes Function: digital output omnidirectional MEMS microphone with an onboard signal chain for direct digital data. Compatibility: industry standard 24bit I2S interface that works with DSPs and microcontrollers. Performance: performance with low power consumption suitable for battery powered and portable applications. Integration and form factor: bottom port design supports convenient board layout and mounting. System simplicity: combines MEMS sensing, conditioning, ADC, antialiasing filtering, and power management in a single solution, reducing BOM and design effort. Use scenarios Smart home and voice enabled devices: wake word detection, voice commands, and ambient voice capture in living spaces. Portable electronics and wearables: laptops, tablets, wireless headphones, and other battery powered devices requiring efficient digital audio capture. Conferencing and room automation: teleconferencing systems and meeting rooms that require reliable digital microphone input with easy integration to DSPs and microcontrollers.