The INMP441 is a performance, low power digital output, omnidirectional MEMS microphone with a bottom port. The complete INMP441 solution comprises the MEMS sensor, signal conditioning, an analog to digital converter, an antialiasing filter, power management, and an industry standard 24bit I2S interface. The I2S interface enables direct connection to digital processors such as DSPs and microcontrollers without the need for an external audio codec. Key benefits Digital output for direct integration with DSPs and microcontrollers without the need for an external audio codec Omnidirectional pickup suitable for versatile voice capture in a variety of environments Bottom port design for convenient mounting and reliable performance Low power operation ideal for batterypowered and alwayson devices Integrated signal conditioning, ADC and antialiasing filter reduce external component count 24bit I2S interface supports resolution digital audio data What makes it stand out Allinone solution: MEMS sensor plus signal conditioning, ADC, antialiasing filter, and power management in a single package Industry standard 24bit I2S interface ensures compatibility with a wide range of digital processors Compatible with digital systems directly, eliminating the need for an external audio codec Attributes and compatibility Type: MEMS microphone with a bottom port Output: digital, I2S interface Resolution: 24bit I2S data Processors: directly connects to DSPs and microcontrollers Performance: performance with low power consumption Use scenarios Voiceenabled consumer devices such as smart speakers and voice assistants requiring reliable digital microphone input Conferencing and telepresence systems that need clear, direct digital audio without an external codec Embedded IoT and smart appliances with DSPs or MCUs that require a compact digital microphone In summary, the INMP441 provides a compact, lowpower, digitally interfaced omnidirectional MEMS microphone with a bottom port and a complete builtin signal chain, designed for easy integration with standard 24bit I2S digital processors without the need for an external audio codec.