The SPU0409LE5H-QB-2 is a miniature silicon microphone manufactured by Knowles Corporation. Designed for applications requiring compact size, minimal power consumption, and high-fidelity audio capture, it finds use in a wide variety of devices, including mobile phones, tablets, and wearable technology. This microphone leverages advanced MEMS (Micro-Electro-Mechanical Systems) technology for reliable performance and consistent audio quality.

Applications:

• Smartphones
• Tablet computers
• Bluetooth headsets
• Wearable devices (smartwatches, fitness trackers)
• Voice recorders

Features:

• Extremely compact size for space-constrained designs
• Low power consumption for extended battery life
• High signal-to-noise ratio (SNR) for clear audio
• Omnidirectional polar pattern to capture sound from all directions
• Surface-mount technology (SMT) compatible for automated assembly

Benefits:

• Enhanced audio clarity and intelligibility in voice communications
• Prolonged operational time for battery-powered devices
• Simplified integration into electronic circuits
• Reduced overall product size and weight
• Consistent and reliable performance over a wide range of operating conditions

Technical Specifications: While precise specifications are best obtained from the Knowles datasheet, typical values include a sensitivity around -42 dBV/Pa, a signal-to-noise ratio (SNR) exceeding 60 dBA, and a supply voltage requirement between 1.6V and 3.6V. It uses a surface-mount package. Refer to the official datasheet for comprehensive electrical, acoustic, and mechanical specifications, along with recommended soldering profiles and handling precautions.