DMM-3526-B-R

Overview

The PUI Audio DMM-3526-B-R is a digital MEMS microphone featuring a bottom port and rectangular SMD package measuring 3.5 mm x 2.65 mm x 1 mm. It operates at 1.8 VDC with a current consumption of 650 uA, delivering -26 dBFS sensitivity and 65 dB SNR across a 20 Hz to 20 kHz frequency range. The device outputs digital PDM signals and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Digital PDM output interface for direct integration
• Omnidirectional acoustic design
• Low power consumption operation

Applications

• Consumer electronics audio input
• Voice recognition systems
• Portable communication devices

Procurement Notes

Verify the specific suffix against official documentation to confirm package type and tape/reel specifications. Ensure the selected variant matches the required operating voltage and thermal ratings for the target application environment before finalizing procurement.

Selection Notes

Select this component for applications requiring a compact digital microphone with low power draw. The bottom port configuration facilitates surface mounting in space-constrained designs. Confirm compatibility with the host processor's PDM interface requirements.

Part Context

This part belongs to the PUI Audio DMM series of digital MEMS microphones. The series utilizes dedicated front-end ASICs to provide high sensitivity and signal-to-noise ratios within small footprints, offering advantages in dynamic range and current efficiency compared to traditional analog alternatives.

Replacement Considerations

Consult official substitution lists for verified equivalents. Cross-reference pinout and electrical parameters with alternative digital MEMS microphones from other manufacturers if supply constraints exist.