MM034202-17

Microphones Overview

The MM034202-17 is an analog MEMS microphone manufactured by DB Unlimited. It features a rectangular SMD/SMT package with dimensions of 3.76 mm in length, 2.24 mm in width, and 1.1 mm in depth. The device operates at a rated voltage of 2 V and draws a typical current of 100 uA. It exhibits an omnidirectional polar pattern with a sensitivity of -42 dB ± 3 dB. The frequency response spans from 100 Hz to 10 kHz, and the output impedance is specified as 300 Ohms.

Microphones Feature Summary

• Analog signal output for direct interfacing with audio processing circuits
• Omnidirectional acoustic design for uniform sound capture from all directions
• Surface-mount technology (SMD) construction for automated PCB assembly

Microphones Applications

• Consumer electronic devices requiring compact audio input
• Voice recognition systems utilizing analog front-end processing
• Portable communication equipment with limited power budgets

Microphones Procurement Notes

Verify the specific suffix designation against the manufacturer's official documentation to confirm exact sensitivity tolerances and packaging configurations. Ensure that the procurement source provides valid traceability for the DB Unlimited brand. Cross-reference the part number with the latest datasheet to confirm compatibility with the intended operating voltage and environmental temperature ranges before finalizing orders.

Microphones Selection Notes

Select this component when an analog output interface is required rather than digital PDM alternatives. The low operating current of 100 uA makes it suitable for battery-powered applications. Verify that the 100 Hz to 10 kHz frequency range aligns with the target voice band requirements. Confirm that the 300 Ohm impedance matches the input stage of the connected amplifier or ADC circuitry.

Microphones Part Context

This model belongs to the Precise series of MEMS microphones produced by DB Unlimited. The series focuses on providing reliable audio sensing solutions for various consumer electronics. The MM034202-17 shares the standard form factor and mounting style common to this product line, ensuring mechanical compatibility with existing designs utilizing similar microphone footprints.

Microphones Replacement Considerations

Consult official substitution lists for verified equivalents. Generic replacements may differ in sensitivity tolerance or frequency response characteristics.