The INMP441 is a performance, low power digital output omnidirectional MEMS microphone with a bottom port. Complete INMP441 solution Integrates a MEMS sensor with signal conditioning, an analog to digital converter, an antialiasing filter, power management, and an industry standard 24bit I2S interface. The 24bit I2S interface allows direct connection to digital processors such as DSPs and microcontrollers without the need for an audio codec. Key benefits Digital output with a standard 24bit I2S interface simplifies system integration and reduces external components. Omnidirectional pickup with a bottom port provides versatile placement in devices. Integrated signal conditioning, ADC, and antialiasing filter reduce external circuitry and design complexity. Low power operation supports batterypowered and portable applications. Compatibility with common digital processors enables straightforward use in a wide range of systems. Attributes and compatibility Function: digital omnidirectional MEMS microphone with bottom port for flexible mounting. Interface: industry standard 24bit I2S, enabling direct connection to DSPs and microcontrollers without an audio codec. Material/tech: MEMS sensor, with integrated signal conditioning, ADC, antialiasing filter, and power management. Performance emphasis: performance combined with low power consumption in a compact digital solution. Use scenarios Voiceenabled consumer electronics such as smart speakers, headsets, and voice assistants, where a direct I2S digital microphone simplifies the audio input path. Teleconferencing and room audio capture devices, benefiting from integrated conditioning and a digital interface for reliable, quality audio. Embedded systems and robotics projects that process audio ondevice with a DSP or MCU, leveraging the integrated components and low power design to minimize external circuitry. In short, the INMP441 provides a complete, lowpower digital MEMS microphone solution with a bottom port and a 24bit I2S interface, enabling direct, codec connection to DSPs and microcontrollers across a range of applications.