INMP401ACEZ-R7

Microphones Overview

The INMP401ACEZ-R7 is an analog MEMS microphone manufactured by TDK InvenSense. It operates within a voltage range of 1.5 V to 3.3 V and draws a supply current of 250 µA. The device features an omnidirectional acoustic port and delivers a sensitivity of -42 dB ±3 dB at 94 dB SPL. Its frequency response spans from 60 Hz to 15 kHz, with a signal-to-noise ratio of 62 dB. The component has a nominal impedance of 200 Ohms and is housed in a rectangular surface-mount package measuring 4.72 mm x 3.76 mm x 1.10 mm.

Microphones Feature Summary

• Omnidirectional acoustic design for uniform sound capture
• Analog output interface for direct integration
• Low power consumption suitable for battery-operated devices

Microphones Applications

• Mobile phones and smartphones
• Laptops and personal computers
• Tablets and portable media players

Microphones Procurement Notes

Verify the specific suffix (R7 vs R0) against the official datasheet to ensure correct packaging configuration. Confirm RoHS compliance status as regulatory requirements may vary by region. Check for obsolescence notices or product change notifications prior to finalizing procurement plans.

Microphones Selection Notes

Select this component when an analog output interface is required rather than digital PDM. Ensure the system power supply aligns with the 1.5 V to 3.3 V operating range. Verify that the 62 dB SNR meets the audio quality requirements for the target application environment.

Microphones Part Context

This part belongs to the INMP401 series of MEMS microphones from TDK InvenSense. These sensors are designed for consumer electronics requiring high-quality audio input. The series utilizes silicon-based MEMS technology to provide reliable performance in compact form factors.

Microphones Replacement Considerations

Check for pin-compatible alternatives within the same manufacturer's portfolio if the R7 suffix is unavailable. Verify that any substitute maintains the analog output type and similar sensitivity specifications.