IM73D122V01XTMA1

Microphones Overview

The IM73D122V01XTMA1 is an ultra-low noise digital MEMS microphone from Infineon's XENSIV family. It features a sensitivity of -26 dB with a 1 dB tolerance and a signal-to-noise ratio of 69 dB. The device operates on a supply voltage ranging from 1.62 V to 3.6 V and supports a frequency range starting at 20 Hz. It delivers a maximum sound pressure level of 122 dBSPL and includes IP57 protection. The component utilizes a digital output type and is housed in a compact LGA-5 package measuring 4 mm x 3 mm x 1.2 mm.

Microphones Feature Summary

• Ultra-low self-noise design for high-fidelity audio capture
• Digital output interface compatible with standard protocols
• IP57 rated enclosure providing environmental resistance

Microphones Applications

• Voice-controlled smart home devices
• Video conferencing systems
• Wearable audio equipment

Microphones Procurement Notes

Verify the specific ordering suffix XTMA1 to confirm the reel packaging configuration. Ensure compatibility with the target PCB footprint, specifically the LGA-5 package dimensions. Confirm that the operating voltage range aligns with the system power rails. Check for RoHS compliance documentation if required by regional regulations. Validate the acoustic porting requirements for optimal performance.

Microphones Selection Notes

Select this component when high signal-to-noise ratio is critical for voice recognition accuracy. The digital output simplifies integration by eliminating analog noise susceptibility. Consider the IP57 rating for applications exposed to moisture or dust. The low power consumption supports battery-operated portable devices. Evaluate the omnidirectional pattern against directional microphone alternatives.

Microphones Part Context

This part belongs to the XENSIV IM73D122 series of MEMS microphones. It represents Infineon's focus on digital acoustic sensors for consumer electronics. The series emphasizes low noise performance and robust packaging. It complements other audio sensors in the portfolio designed for various form factors.

Microphones Replacement Considerations

Check for direct substitutes within the IM73D122 series with different suffixes. Verify pinout compatibility before replacing with similar digital MEMS microphones from other manufacturers.