FED-27926-I04

Speakers Overview

The Knowles FED-27926-I04 is a high-performance MEMS microphone designed for demanding audio capture applications. It features a digital PDM output interface, ensuring compatibility with standard digital audio processors and SoCs. The device integrates an on-chip analog-to-digital converter and a sigma-delta modulator within a compact surface-mount package. Key electrical characteristics include a specified signal-to-noise ratio and sensitivity tailored for clear voice pickup in noisy environments. The component operates within a defined voltage range and supports standard I2S or PDM data formats.

Speakers Feature Summary

• Integrated MEMS sensor with on-chip ASIC for direct digital output
• High signal-to-noise ratio optimized for voice recognition tasks
• Compact surface-mount package suitable for space-constrained designs

Speakers Applications

• Smart home voice assistants
• Video conferencing systems
• Automotive infotainment microphones

Speakers Procurement Notes

Verify the specific suffix codes against the manufacturer's latest datasheet to ensure correct pinout and packaging configuration. Confirm that the supply voltage and clock requirements match your system design before procurement. Request RoHS compliance documentation and material declarations from authorized distributors to meet regulatory standards.

Speakers Selection Notes

Select this component when a digital PDM interface is required to reduce analog noise susceptibility. Ensure the host processor supports the specific data rate and word length provided by the microphone. Consider the acoustic housing requirements, as the microphone's performance depends heavily on proper back-volume and porting design in the final assembly.

Speakers Part Context

This model belongs to Knowles' family of digital MEMS microphones, engineered for consumer electronics and IoT devices. It represents an evolution towards fully digital audio front-ends, eliminating the need for external ADCs. The series is widely adopted in mobile and stationary devices requiring reliable far-field voice capture capabilities.

Speakers Replacement Considerations

Check for exact pin-compatible alternatives such as other models in the same Knowles digital MEMS lineup. Verify that substitute parts maintain identical PDM timing specifications and sensitivity levels to avoid firmware adjustments.