IA611

Microphones Overview

The Syntiant IA611 is a digital MEMS microphone featuring PDM output and omnidirectional sound pickup. It operates within a voltage range of 1.71 V to 1.98 V, with a rated supply of 1.8 V and typical supply current of 5 mA. The device utilizes a silicon-based MEMS structure with top porting and pad termination. Its physical dimensions are 0.118 inches (3.00 mm) in diameter and 0.051 inches (1.30 mm) maximum height. The unit delivers a signal-to-noise ratio of 66 dB.

Microphones Feature Summary

• Digital PDM output interface for direct integration with audio processing systems
• Omnidirectional acoustic sensitivity pattern
• Silicon MEMS construction with top-port design

Microphones Applications

• Voice recognition platforms
• Audio Xplained Pro evaluation systems
• mikroBUS Click platform implementations

Microphones Procurement Notes

Verify component status as the part is marked as obsolete or end-of-life by the manufacturer. Confirm availability through authorized distributors or secondary market channels. Ensure compatibility with existing board layouts due to specific package dimensions. Check for RoHS3 compliance and moisture sensitivity level 1 ratings during sourcing.

Microphones Selection Notes

Select this component for applications requiring a compact digital microphone with low power consumption. The fixed 1.8 V operating voltage requires compatible power rails. The PDM interface necessitates support from the host processor or codec. Consider the small form factor for space-constrained portable devices.

Microphones Part Context

The IA611 belongs to the Syntiant SiSonic series of audio sensors. It is designed for embedded voice processing tasks. The component serves as an input transducer converting acoustic signals into digital pulse density modulation data. It is distinct from analog microphones by its integrated ADC functionality.

Microphones Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Alternative sourcing may require evaluating generic PDM MEMS microphones with similar voltage and dimensional specifications.