MQM-32325-000

Microphones Overview

The Knowles MQM-32325-000 is a subminiature omnidirectional MEMS microphone designed for premium audio applications requiring small form factors. It operates on an analog output with a supply voltage range of 0.9 V to 1.3 V. The device features an undamped frequency response spanning 100 Hz to 10 kHz. Sensitivity is specified at -58.5 dB ±3 dB relative to 1 V/Pa at 74 dB SPL. This component offers improved RFI/EMI suppression and utilizes screen damping technology.

Microphones Feature Summary

• Subminiature size optimized for compact electronic designs
• Omnidirectional acoustic pattern for uniform sound capture
• Integrated RFI/EMI suppression capabilities
• Screen damped internal structure for stable performance

Microphones Applications

• Mobile communication devices
• Wearable audio equipment
• Voice recognition systems
• Portable recording devices

Microphones Procurement Notes

Verify the specific suffix against official Knowles documentation to confirm exact acoustic and electrical characteristics, as variations may exist within the MQM series. Ensure compatibility with low-voltage analog interfaces. Confirm RoHS compliance status through current manufacturer declarations prior to integration into regulated products.

Microphones Selection Notes

Select this component when ultra-small dimensions are critical alongside analog signal output requirements. The 0.9 V to 1.3 V operating range suits battery-powered portable electronics. Consider the -58.5 dB sensitivity level for near-field voice pickup applications where high gain amplification is available in the signal chain.

Microphones Part Context

This part belongs to the Knowles MQM series of subminiature microphones. The series focuses on providing premium audio quality within extremely limited board space constraints. These components are engineered for modern consumer electronics where size reduction is a primary design driver without compromising acoustic fidelity.

Microphones Replacement Considerations

Consult official Knowles substitution guides for direct equivalents. Verify pinout compatibility and mechanical footprint alignment before replacing existing units. Cross-reference sensitivity and voltage specifications to ensure functional parity in the target application circuit.