INMP421BCEZ-R7

Microphones Overview

The INMP421BCEZ-R7 is a MEMS microphone manufactured by TDK InvenSense. It features an omnidirectional acoustic port and operates with a digital PDM interface. The device integrates an analog-to-digital converter and a serial interface controller within a compact surface-mount package. It is designed for high-performance audio capture in mobile and consumer electronics applications.

Microphones Feature Summary

• Omnidirectional sound pickup capability
• Digital pulse density modulation output
• Integrated signal processing circuitry

Microphones Applications

• Mobile devices
• Wearable technology
• Smart home appliances

Microphones Procurement Notes

Verify the specific suffix R7 to confirm tape and reel packaging configuration. Ensure compatibility with existing PCB footprint designs. Confirm supply chain authenticity through authorized TDK InvenSense distributors to prevent counterfeit components.

Microphones Selection Notes

Select this component for applications requiring digital audio interfaces. Evaluate system power budgets against typical operating currents. Consider mechanical mounting constraints due to the small form factor. Verify acoustic housing requirements for optimal sensitivity performance.

Microphones Part Context

This part belongs to the INMP series of MEMS microphones from TDK InvenSense. The series targets consumer electronics markets. These sensors utilize silicon micromachining technology. They provide reliable audio input for voice recognition systems.

Microphones Replacement Considerations

Check pinout compatibility before substituting. Verify acoustic performance specifications match original design requirements. Review package dimensions for mechanical fit.