SPH0645LM4H Digital Microphone Module Key benefits sensitivity MEMS sound capture with low power use (600 uA), delivering clear digital audio for voice activated systems, devices, and robotics 24bit I2S interface for precise sound data and easy integration with microcontrollers and single board computers Plugandplay compatibility with a shielded design and omnidirectional sound pickup to minimize noise and interference Compact, lightweight build and operate from 1.6 to 3.6 V, suited for battery power and spacelimited environments Ideal for intelligent home automation and portable sound recording applications What makes it stand out SPH0645LM4H digital microphone module combines sensitivity MEMS capture with low power consumption for longlasting operation Shielded construction reduces EMI and provides stable, clean digital output in compact enclosures 24bit I2S interface supports precise audio data suitable for voice recognition, audio analysis, and sound localization in Raspberry Pi projects and similar platforms Specifications at a glance Model: SPH0645LM4H Microphone type: MEMS digital microphone Interface: 24bit I2S Supply voltage: 1.6–3.6 V Current draw: approximately 600 µA Output: digital Sound pickup: omnidirectional Form factor: compact and lightweight Shielding: yes, for reduced interference Compatible use cases Smart home voice control systems using Raspberry Pi or similar boards Portable voice recorders and onthego audio capture devices Robotics and maker projects requiring reliable, lownoise voice sensing in a compact module 3 practical scenarios Scenario 1: A compact smart speaker or voiceactivated assistant built around a Raspberry Pi, using the SPH0645LM4H for accurate, lownoise voice detection without bulky circuitry. Scenario 2: A batterypowered handheld voice recorder that benefits from the low power draw and 24bit I2S digital output for quality audio data in a small package. Scenario 3: An autonomous robot or drone requiring realtime voice commands or environmental audio sensing in a spaceconstrained chassis, where shielded, omnidirectional pickup ensures stable performance. Notes Designed for engineers, makers, and students seeking straightforward integration for soundenabled projects Emphasizes compatibility, size, material, and performance to support reliable, noiseresistant digital audio in compact designs Maintains a professional, clear, and trustworthy tone with practical applications and straightforward specifications