INMP441 complete solution and features The complete INMP441 solution consists of a MEMS sensor, signal conditioning, analog to digital converter, antialiasing filter, power management and an industry standard 24bit I2S interface. The 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. The INMP441 is a performance, low power, digital output, omnidirectional MEMS microphone with bottom port. Key benefits Direct digital interface: Connect to DSPs and microcontrollers via 24bit I2S without an external audio codec, simplifying system design and reducing component count. Integrated signal chain: MEMS sensor with integrated signal conditioning, ADC and antialiasing filter in a single package, minimizing external circuitry and BOM. Low power: Optimized for energy efficiency in batterypowered and portable devices. Omnidirectional capture: Suitable for picking up sound from multiple directions, enabling reliable voice and ambient audio capture. Flexible placement: Bottom port design supports a variety of enclosure and PCB layouts. What makes it stand out Industry standard 24bit I2S digital output for resolution audio processing. All essential audio frontend elements integrated in one solution: MEMS sensor, ADC, antialiasing filter, and power management. No external codec required, enabling simpler, more compact, and costefficient designs. Compatibility and integration Compatible with digital processors that support 24bit I2S input. Suitable for applications that require direct digital microphone input without an external codec. Typical applications and use scenarios Smart home and voiceenabled devices: Voice control systems, assistants, and hands interfaces where reliable digital audio capture is essential. Consumer electronics: Laptops, tablets, smartphones, headsets, and wearable devices that benefit from a compact, lowpower digital microphone solution. Robotics and IoT: Robots, sensors, and industrial equipment requiring robust omnidirectional audio capture with minimal external circuitry. Notes on attributes Function: Omnidirectional MEMS microphone with bottom port and digital output. Compatibility: Industry standard 24bit I2S interface for direct connection to DSPs and MCUs without a codec. Size and material: MEMS sensor with bottom port design. (No specific dimensions provided in the description.) Performance: performance, low power, digital output, integrated signal conditioning, ADC, and antialiasing filter.